PAES 201 TO PAES 259 & PAES 301 TO PAES 320 Flashcards by Krstn Eve

Pressure build-up in the plenum chamber
to maintain uniform distribution of air
flow through the grain mass, expressed in
pascal.
a. Plenum
b. Static pressure
c. Heat utilization
d. Airflow rate

b. Static pressure

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Based on PAES 252:2011 Coffee Pulper:
What is the maximum speed for the shaft of
the mechanized coffee pulper?
a. 120 rpm
b. 140 rpm
c. 160 rpm
d. 180 rpm

a. 120 rpm

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Throw-in type of thresher wherein cut
plants are fed between the rotating
cylinder and stationary concave and the
threshed materials/straws are discharged
out of the threshing chamber tangentially
a. Through flow thresher
b. Throw-in thresher
c. Axial flow thresher
d. Hold-on thresher

a. Through flow thresher

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Based on PAES 222: 2005 Chipping Machine
(Circulated): What is the maximum noise
level?
a. 94 dB
b. 98 dB
c. 92 dB
d. 99 dB

c. 92 dB

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Component of a rice mill that removes
the hulls (palea and lemma) from the
grains.
a. Rubber roll type
b. Huller/dehuller
c. Abrasive type
d. Friction type

b. Huller/dehuller

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Based on PAES 252:2011 Coffee Pulper:
What is the minimum pulping recovery?
a. 91.5%
b. 93.5%
c. 95.5%
d. 97.5%

b. 93.5%

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Type of centrifugal fan that have blades
which are curved forward to the direction
of the rotation and have larger flow rate
when compared to other centrifugal fans of
the same size and speed.
a. Centrifugal Fans with Airfoil Blades
b. Centrifugal Fans with Radial Tip
Blades
c. Centrifugal Fans with Forward-Curved
Blades
d. Centrifugal Fans with Radial blades

c. Centrifugal Fans with Forward-Curved
Blades

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Grains that have fallen to the ground
due to the machine’s cutting operation.
a. Chipping loss
b. Cutting disc loss
c. Header loss
d. Reel loss

c. Header loss

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Based on PAES 224: 2005 Rice Combine
(Circulated): What is the maximum header
loss?
a. 1.5%
b. 0.5%
c. 0.75%
d. 0.95%

b. 0.5%

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Type of micromill with input capacity
of 100-250 kg/h.
a. Bran household model
b. Fiber decorticator
c. Village model
d. Micromill

c. Village model

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Based on PAES 220: 2004 Peanut Sheller:
What is the minimum purity with sieve and
blower?
a. 88.0%
b. 98.0%
c. 90.0%
d. 95.0%

b. 98.0%

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Biomass furnace with combustion chamber
that have stair-liked arrangement of grate.
a. Wet type biomass furnace indirect-
fired
b. Cyclonic direct-fired biomass
furnace
c. Step-grate direct-fired biomass
furnace
d. Indirect-fired biomass furnace

c. Step-grate direct-fired biomass
furnace

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Based on PAES 224: 2005 Rice Combine
(Circulated): What is the minimum purity
with sifter and fan?
a. 97.0%
b. 95.0%
c. 99.0%
d. 93.0%

a. 97.0%

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Paddy which are light green and chalky
with soft texture.
a. Broken grains
b. Immature grain
c. Cracked grain
d. Damaged grain

b. Immature grain

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Based on PAES 220: 2004 Peanut Sheller:
What is the maximum mechanically damaged
kernel?
a. 1.5%
b. 0.7%
c. 3.5%
d. 0.9%

c. 3.5%

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Device used for milling which consists
of rotating hammer(s) and a heavy
perforated screen at the bottom.
a. Aspirator
b. Degerminator
c. Roller mill
d. Hammer mill

d. Hammer mill

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Based on PAES 224: 2005 Rice Combine
(Circulated): What is the minimum field
efficiency?
a. 75.0%
b. 85.0%
c. 95.0%
d. 93.0%

a. 75.0%

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Type of driving mechanism that uses
hydraulic or magnetic couplings between
fan/blower wheel shaft and motor shaft
which allows control of fan/blower wheel
speed independent of the motor speed.
a. Variable Drive Fan/Blower
b. Axial-Flow Fans/Blowers
c. Belt-Drive Fan/Blower
d. Direct-Drive Fan/Blower

a. Variable Drive Fan/Blower

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Based on PAES 246:2010 Dehusked Corn
Dryer: What is the minimum heating system
efficiency for petroleum based fuel
(indirect-fired)?
a. 90%
b. 75%
c. 80%
d. 70%

b. 75%

Petroleum based fuel (direct-fired) 90%
Petroleum based fuel (indirect-fired) 75%
Biomass fuel (direct-fired) 65%
Biomass fuel (indirect-fired) 50%

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Forage chopper which uses a feeding
mechanism consisting of two feed rolls, or
other means such as an auger, to advance
the crop to the cutting mechanism.
a. Forage chopper
b. Semi-precision-cut forage chopper
c. Random-cut forage chopper
d. Precision-cut forage chopper

b. Semi-precision-cut forage chopper

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Based on PAES 246:2010 Dehusked Corn
Dryer: What is the minimum moisture content
reduction rate?
a. 0.15% per hour
b. 0.25% per hour
c. 0.35% per hour
d. 0.45% per hour

b. 0.25% per hour

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Fan that neutralizes air spin for it to
be used as blower in outlet duct and
exhaust in inlet duct.
a. Propeller Fan
b. Centrifugal Fans
c. Vane-Axial Fan
d. Tube-Axial Fan

c. Vane-Axial Fan

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Based on PAES 243: 2010 Biomass Furnace
– Methods of Test: What is the maximum
moisture content for corn cobs to meet the
efficient burning?
a. 10%
b. 20%
c. 14%
d. 12%

a. 10%

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Dried coconut meat from which oil is
extracted.
a. Streaks
b. Fiber
c. Copra
d. NOTA

c. Copra

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Based on PAES 224: 2005 Rice Combine (Circulated): What is the maximum blower loss? a. 1.2% b. 1.75% c. 1.5% d. 1.95%

a. 1.2%

Device for moving air which utilizes a power driven rotating impeller. a. Fan/blower b. Static air power c. Throttling device d. Pitot tube

a. Fan/blower

Part of the energy per unit time that is imparted by the fan/blower to the air in overcoming static pressure from the inlet to the outlet. a. Fan/blower b. Static air power c. Throttling device d. Pitot tube

b. Static air power

Based on PAES 224: 2005 Rice Combine (Circulated): What is the maximum separation loss? a. 1.3% b. 0.75% c. 0.85% d. 0.95%

a. 1.3%

Thread like component of rotating cylinder of the pulping chamber. a. Mucilage b. Flute c. Parchment d. Pulp

b. Flute

Organic materials used as renewable source of energy like wood chips, corncobs and rice hulls, etc. a. Biomass b. Grate c. Hearth d. Workload

a. Biomass

Based on PAES 210:2000 Agricultural Machinery – Corn Mill: a. 98 dB b. 92 dB c. 100 dB d. 99 dB

c. 100 dB

Are used when the shafts are virtually collinear and when they remain in a fixed angular relation with respect to each other (except for angular deflection). a. Clamp shaft coupling b. Flange face coupling c. Flexible couplings d. Rigid couplings

d. Rigid couplings

A cylinder which surrounds the shaft and is filled with some form of fluid lubricant. a. Bolt b. Journal bearing c. Journal d. Lubricant

b. Journal bearing

Based on PAES 224: 2005 Rice Combine (Circulated): What is the minimum purity without sifter and fan? a. 97.0% b. 95.0% c. 99.0% d. 93.0%

b. 95.0%

Type of plywood intended for outdoor or marine uses, also known as type I. a. Exterior plywood b. Face c. Face-plywood d. Fiberboard

a. Exterior plywood

Based on PAES 220: 2004 Peanut Sheller: What is the maximum noise level? a. 100 dB b. 99 dB c. 98 dB d. 92 dB

d. 92 dB

The distance (in millimeters), measured parallel to the thread axis, between corresponding points on adjacent thread forms in the same axial plane on the same side of the axis. a. Nut b. Fastener c. Screw d. Pitch

d. Pitch

Based on PAES 212: 2004 Rice Reaper: What is the maximum header loss? a. 1.5% b. 0.95% c. 0.75% d. 0.5%

d. 0.5%

Side board made up of well machined lumber strips properly dried and glued together. a. Lumber core b. Panel c. Fiber-cement flat sheets d. Particle board

a. Lumber core

Batch type dryer equipped to circulate and/or mixed fixed volume of grain during the drying operation. a. Flatbed type b. Recirculating type c. Columnar type d. Recirculating type

b & d. Recirculating type

High density fiberboard with a smooth surface on one side and a screen impression on the other side. a. Particle board b. Smooth-one-side (s1s) c. Plywood d. Smooth-two-sides (s2s)

b. Smooth-one-side (s1s)

Based on PAES 250:2011 Coconut Coir Decorticator: What is the maximum noise to be emitted by the coconut coir decorticator? a. 86 dB b. 96 dB c. 90 dB d. 99 dB

b. 96 dB

Mechanical grain dryer wherein grain is passed intermittently in cycles or stages through a drying chamber either by mechanical means or by gravity with subsequent cooling and tempering until the grain reaches the desired moisture content. a. Grain dryer b. Indirect-fired dryer c. Heated-air mechanical grain dryer d. Multi-pass dryer

d. Multi-pass dryer

Longitudinal bran layers remaining in the dorsal grooves after milling. a. Streaks b. Fiber c. Copra d. NOTA

a. Streaks

Based on PAES 242:2010 Biomass Furnace: What is the minimum heating system efficiency of the furnace for indirect- fired? a. 80% b. 75% c. 70% d. 50%

d. 50%

Type of centrifugal fan that has single-thickness steel fan blade and can handle contaminated air streams. a. Centrifugal Fans with Radial Tip Blades b. Centrifugal Fans with Forward-Curved Blades c. Centrifugal Fans with Radial blades d. Backward-Curved Blades

d. Backward-Curved Blades

Type of centrifugal fan that are rugged and self-cleaning and have non-tangential flow at the leading edge. a. Centrifugal Fans with Forward-Curved Blades b. Centrifugal Fans with Radial blades c. Backward-Curved Blades d. Backward-Inclined Blades

b. Centrifugal Fans with Radial blades

This type of fan is also known as tubular centrifugal fan, in-line centrifugal fan or mixed flow fan. a. Propeller Fan b. Axial-Centrifugal Fans c. Vane-Axial Fan d. Tube-Axial Fan

b. Axial-Centrifugal Fans

Based on PAES 224: 2005 Rice Combine (Circulated): What is the maximum total machine loss? a. 2.5% b. 1.75% c. 3.5% d. 2.95%

c. 3.5%

In this type of fan, the air stream has to make two 45 degrees turns before exiting the fan housing. a. Fan Wheel with Flat Back Plate b. Fan with Conical Back Plate c. Fan Wheel with Conical Back Plate d. Fan with Flat Back Plate

c. Fan Wheel with Conical Back Plate

These types of fan have up blast, down flow and radial discharge of air. This is mainly use for exhausting and supplying air from and into the building. a. Fan with Conical Blowers b. Cross-Flow Blowers c. Vortex or Regenerative Blowers d. Roof Ventilators

d. Roof Ventilators

Rice grain from which the hull, the germ, the outer bran layer, and the greater part of the inner bran layer have been removed, but part of the lengthwise streaks of the bran layer may still be present on less than 15% of the sample grains. a. Regular milled rice b. Overmilled rice c. Undermilled rice d. Well-milled rice

d. Well-milled rice

Based on PAES 220: 2004 Peanut Sheller: What is the minimum purity with blower? a. 88.0% b. 95.0% c. 98.0% d. 90.0%

b. 95.0%

Part of the ear corn where the kernels are attached. a. Corn cob b. Kernel c. Corn ear d. Whole kernels

a. Corn cob

Based on PAES 242:2010 Biomass Furnace: What is the minimum furnace efficiency? a. 80% b. 75% c. 65% d. 50%

c. 65%

Machine used to remove the husk of corn ear, detach, separate and clean the corn kernels from the cobs in one operation. a. Disc-type b. Corn sheller c. Hopper-fed type d. Corn husker-sheller

d. Corn husker-sheller

Based on PAES 224: 2005 Rice Combine (Circulated): What is the maximum mechanically damaged grain? a. 2.0% b. 0.75% c. 2.5% d. 2.95%

a. 2.0%

Type of shelling unit consisting of a vertical disc with spiked surface. a. Disc-type b. Corn sheller c. Hopper-fed type d. Corn husker-sheller

a. Disc-type

Type of corn sheller wherein the ear corn is fed into shelling chamber by gravity. a. Disc-type b. Corn sheller c. Hopper-fed type d. Corn husker-sheller

c. Hopper-fed type

Based on PAES 212: 2004 Rice Reaper: What is the minimum field efficiency? a. 55% b. 65% c. 75% d. 85%

b. 65%

Unbroken kernels after shelling a. Corn ear b. Kernel c. Degerminated corn kernels d. Whole kernels

d. Whole kernels

Wire mesh or perforated sheet metal used to separate large and/or small particles. a. Aspirator b. Degerminator c. Oscillating screen d. Laboratory sieve shaker

c. Oscillating screen

Refers to corn grit # 10, #12, #14, #16, and # 18 a. Grit # 18 b. Grit # 20 c. Grit # 24 d. Main product

d. Main product

Dryer in which the material being dried moves through the drying chamber in a substantially continuous stream and is discharged without being recirculated. a. Concurrent flow type b. Continuous flow dryer c. Mixing type d. Counter-flow type

b. Continuous flow dryer

Based on PAES 212: 2004 Rice Reaper: The reaper shall be operated at what speed? a. 3 kph to 5 kph b. 5 kph to 6 kph c. 3 kph to 4 kph d. 2 kph to 3 kph

a. 3 kph to 5 kph

Continuous flow dryer wherein the flow of air is transverse to the direction of flow of the grain being dried. a. Concurrent flow type b. Continuous flow dryer c. Cross-flow type d. Non-mixing type

c. Cross-flow type

Dryer in which the products of combustion come into direct contact with the product being dried. a. Indirect-fired dryer b. Direct-fired dryer c. Heated-air mechanical grain dryer d. Multi-pass dryer

b. Direct-fired dryer

Dryer in which the products of combustion do not come in contact with the products being dried. a. Grain dryer b. Indirect-fired dryer c. Direct-fired dryer d. Heated-air mechanical grain dryer

b. Indirect-fired dryer

Device for removing excess moisture from the grain, generally by forced or natural convection with or without addition of heat. a. Grain dryer b. Indirect-fired dryer c. Heated-air mechanical grain dryer d. Multi-pass dryer

a. Grain dryer

Based on PAES 250:2011 Coconut Coir Decorticator: What is the peripheral speed of the blades? a. 5 m/s b. 15 m/s c. 35 m/s d. 25 m/s

d. 25 m/s

Type of thresher wherein the panicles of the cut plants are fed into the threshing chamber while the stalks are mechanically or manually held during the threshing operation. a. Mechanical rice thresher b. Throw-in thresher c. Axial flow thresher d. Hold-on thresher

d. Hold-on thresher

Based on PAES 220: 2004 Peanut Sheller: What is the minimum purity with sieve? a. 90.0% b. 88.0% c. 85.0% d. 98.0%

c. 85.0%

Grains that was broken and/or dehulled (partially or fully) as a result of threshing operation. a. Broken grains b. Immature grain c. Cracked grain d. Mechanically damaged grain

d. Mechanically damaged grain

Ripened fruits of coffee shrubs. a. Coffee cherry b. Flute c. Parchment d. Pulp

a. Coffee cherry

Based on PAES 224: 2005 Rice Combine (Circulated): What is the maximum net cracked grain? a. 5.5% b. 4.75% c. 5.0% d. 4.95%

c. 5.0%

Endocarp of the coffee cherry, lies between the fleshy part (or pulp) of the cherry and coffee bean. a. Mucilage b. Flute c. Parchment d. Pulp

c. Parchment

Long and slender natural filament of abaca plant. a. Mucilage b. Abaca fiber c. Abaca stalk d. Pulp

b. Abaca fiber

Method that uses bolo to partially cut (leaving the upper layer 1 mm to 2 mm thick uncut) crosswise the middle of the inner portion of the leaf sheath to be able to extract the tuxie. a. Bacnis method b. Locnit method c. AOTA d. NOTA

a. Bacnis method

Based on PAES 224: 2005 Rice Combine (Circulated): What is the maximum noise level? a. 95 dB b. 98 dB c. 91 dB d. 90 dB

a. 95 dB

Flexible machine element used to transmit motion and power between two shafts, the cross section of which is shaped roughly like a regular trapezoid outlined by the base, sides and top of the belt. a. Flat belt pulley b. V-pulley c. V-belt d. Flat belt

c. V-belt

Type of whitening machine consisting of a ribbed cylinder enclosed in a perforated steel housing. a. Rubber roll type b. Friction type c. Abrasive type d. Single-pass rice mill

b. Friction type

Based on PAES 242:2010 Biomass Furnace: What is the minimum burning efficiency of the biomass furnace? a. 80% b. 95% c. 70% d. 50%

d. 50%

Rice grain from which the hull, the germ, and the bran layers have been completely removed. a. Regular milled rice b. Overmilled rice c. Undermilled rice d. Brown rice

b. Overmilled rice

Auxiliary device used to classify paddy based on length and thickness. a. Polisher b. Paddy grader c. Destoner d. Whitener

b. Paddy grader

Auxiliary device used to separate paddy from brown rice. a. Polisher b. Paddy separator c. Destoner d. Whitener

b. Paddy separator

Rice grain from which the hull, the germ, the outer bran layer, and the greater part of the inner bran layer have been removed, but part of the lengthwise streaks of the bran layer may still be present on more than 40 % of the sample grains. a. Regular milled rice b. Overmilled rice c. Undermilled rice d. Well-milled rice

c. Undermilled rice

Based on PAES 224: 2005 Rice Combine (Circulated): What is the minimum purity without cleaning devices? a. 87.0% b. 85.0% c. 89.0% d. 80.0%

d. 80.0%

Refers to corn grit # 20 and # 24, floured corn, germ and bran. a. Grit # 20 b. By-product c. Grit # 24 d. Main product

b. By-product

Milled corn kernels where the outer covering and germs have been removed and with particle size of not less than 0.86 mm. a. Grit # 20 b. By-product c. Corn grits d. Main product

c. Corn grits

Based on PAES 224: 2005 Rice Combine (Circulated): What is the recommended peripheral speed of the threshing drum? a. 30 m/s b. 20 m/s c. 20 m/s to 30 m/s d. NOTA

c. 20 m/s to 30 m/s

Shallow bed batch type dryer wherein a fixed volume of grain is held stationary in a horizontal grain holding bin. a. Flatbed type b. Recirculating type c. Columnar type d. Recirculating type

c. Columnar type

Device used to remove grain moisture by forcing heated air through the grain mass until the desired moisture content is attained. a. Grain dryer b. Direct-fired dryer c. Heated-air mechanical grain dryer d. Multi-pass dryer

c. Heated-air mechanical grain dryer

Based on PAES 220: 2004 Peanut Sheller: What is the maximum scattering loss? a. 1.5% b. 0.95% c. 0.75% d. 0.5%

d. 0.5%

Chamber wherein air pressure is developed for uniform distribution of the heated air through the grain mass. a. Heat utilization b. Airflow rate c. Plenum d. Moisture gradient

c. Plenum

Based on PAES 252:2011 Coffee Pulper: What is the maximum speed for the shaft of the manual coffee pulper? a. 30 rpm b. 60 rpm c. 120 rpm d. 150 rpm

b. 60 rpm

Volume of air in cubic meters delivered to the mass of grains per second. a. Heat utilization b. Airflow rate c. Plenum d. Moisture gradient

b. Airflow rate

Based on PAES 252:2011 Coffee Pulper: What is the maximum separation loss? a. 1% b. 2% c. 3% d. 4%

a. 1%

Grains which are heat damaged, weather damaged, sprouted or distinctly damaged by insects, water, fungi and/or any other means. a. Broken grains b. Immature grain c. Cracked grain d. Damaged grain

d. Damaged grain

Based on PAES 224: 2005 Rice Combine (Circulated): What is the recommended reel speed in percent that should be faster than the ground speed? a. 50 % b. 25 % c. 25 % to 50 % d. NOTA

c. 25 % to 50 %

Source of energy that includes non- petroleum based fuels such as biomass and solar energy. a. Conventional energy source b. Non–conventional energy source c. Aota d. Nota

b. Non–conventional energy source

The part of the rotating shaft, axle, roll or spindle that turns in a bearing. a. Bolt b. Journal bearing c. Journal d. Lubricant

c. Journal

Based on PAES 248:2010 Fruit Dryer: What is the maximum noise to be emitted by the fruit dryer? a. 92 dB b. 99 dB c. 86 dB d. 97 dB

a. 92 dB

An externally threaded fastener designed for insertion through holes in assembled parts, and normally tightened or released by torquing a nut. a. Bolt b. Nut c. Fastener d. Lubricant

a. Bolt

A block or sleeve having an internal thread designed to assemble with the external thread on a bolt, screw, stud or other threaded part. a. Nut b. Fastener c. Screw d. Pitch

a. Nut

Based on PAES 226: 2005 Agricultural Machinery – Micromill: What is the minimum milling recovery? a. 50 % b. 75 % c. 90 % d. 62%

d. 62%

A headed pin of metal used for uniting two or more pieces by passing the shank through a hole in each piece and then by beating or pressing down the plain end so as to make a second head a. Nut b. Fastener c. Screw d. Rivet

d. Rivet

Substances that cannot be melted and remelted. a. Polymer b. Thermosets c. Monomer d. Covalent

b. Thermosets

Based on PAES 242:2010 Biomass Furnace: What is the minimum heating system efficiency of the furnace for direct-fired? a. 65% b. 50% c. 75% d. 70%

a. 65%

Surface of the plywood showing veneer of higher grade than that of the back side a. Exterior plywood b. Face c. Face-plywood d. Fiberboard

b. Face

Milled corn kernels with particle size between 1.10 mm to 1.19 mm. a. Grit # 10 b. Grit # 12 c. Grit # 14 d. Grit # 16

d. Grit # 16 Grit # 10 - 1.8 mm to 2.0 mm Grit # 12 - 1.5 mm to 1.7 mm Grit # 14 - 1.2 mm to 1.4 mm Grit # 16 - 1.10 mm to 1.19 mm Grit # 18 - 0.86 mm to 1.09 mm

Machine used to remove the germ and pericarp from the corn kernel. a. Aspirator b. Degerminator c. Oscillating screen d. Laboratory sieve shaker

b. Degerminator

Based on PAES 220: 2004 Peanut Sheller: What is the maximum unshelled loss? a. 1.5% b. 0.75% c. 5% d. 0.95%

c. 5%

Process of reducing the corn kernels into pieces of grits, germ and pericarp with or without conditioning. a. Degerminator b. Dry milling c. Oscillating screen d. Laboratory sieve shaker

b. Dry milling

Embryo of the kernel removed during the degermination process. a. Germ b. Grit # 20 c. Main product d. Floured corn

a. Germ

Based on PAES 226: 2005 Agricultural Machinery – Micromill: What is the maximum noise level? a. 99dB b. 98dB c. 91dB d. 92dB

d. 92dB

Grain which is heat damaged, weather damaged, sprouted or distinctively damaged by insects, water, fungi, and/or any means. a. Broken grains b. Immature grain c. Cracked grain d. Damaged grain

d. Damaged grain

Classification system that indicates the uniformity of grind in the resultant product; sum of the weight fractions retained above each sieve divided by 100. a. Germ b. Grit # 20 c. Main product d. Fineness modulus

d. Fineness modulus

Device use for grinding which is a result of the impact between the particles and hammers, which are mounted on a shaft rotating along a horizontal axis. a. Hammer mill b. Degerminator c. Roller mill d. Rubber roll

a. Hammer mill

Based on PAES 240:2010 Fans and Blowers: In fan wheel with flat back plate, how many degrees the air stream has to make before exiting the fan housing? a. one 90 degrees turns b. two 90 degrees turns c. three 90 degrees turns d. half 90 degrees turns

b. two 90 degrees turns

Cylindrical roll generally with protrusions or flutes, used to gather, compress and advance the crop into the cutterhead. a. Aspirator b. Degerminator c. Roller mill d. Feedroll

d. Feedroll

Forage chopper which uses a feeding mechanism consisting of four or more feed rolls to partially orient and advance the crop at a consistent rate into the cutting mechanism. a. Forage chopper b. Semi-precision-cut forage chopper c. Precision-cut forage chopper d. Throw-away type

c. Precision-cut forage chopper

Based on PAES 226: 2005 Agricultural Machinery – Micromill: What is the minimum head rice? a. 50 % b. 25 % c. 75% d. 80%

a. 50 %

Type of forage chopper where the chopped materials are thrown away to the front area of the machine. a. Precision-cut forage chopper b. Semi-precision-cut forage chopper c. Random-cut forage chopper d. Throw-away type

d. Throw-away type

Mechanical device used for extracting fibers by crushing, beating and scraping actions effected by the rotating cylinder with equally spaced blades and breaker or scraper block the physical, chemical and morphological properties of fibers extracted. a. Household model b. Fiber decorticator c. Village model d. Micromill

b. Fiber decorticator

Based on PAES 252:2011 Coffee Pulper: What is the maximum scattering loss? a. 0.1% b. 0.3% c. 0.5% d. 0.7%

c. 0.5%

Type of driving mechanism that directly transfers energy or power from engine crankshaft or motor shaft to the fan/blower a. Variable Drive Fan/Blower b. Axial-Flow Fans/Blowers c. Belt-Drive Fan/Blower d. Direct-Drive Fan/Blower

d. Direct-Drive Fan/Blower

Fans that force the air to move parallel to the shaft on which the fan blades rotate. a. Variable Drive Fan/Blower b. Axial-Flow Fans/Blowers c. Belt-Drive Fan/Blower d. Direct-Drive Fan/Blower

b. Axial-Flow Fans/Blowers

Based on PAES 226: 2005 Agricultural Machinery – Micromill: What is the maximum bran? a. 50 % b. 10 % c. 90 % d. 80%

b. 10 %

Fans that are commonly used for supplying cool air to certain processes and exhausting hot or contaminated air and corrosive gases in buildings. a. Propeller Fan b. Centrifugal Fans c. Vane-Axial Fan d. Tube-Axial Fan

a. Propeller Fan

Fan that serves as exhausting material from an inlet duct. a. Propeller Fan b. Centrifugal Fans c. Vane-Axial Fan d. Tube-Axial Fan

d. Tube-Axial Fan

Based on PAES 220: 2004 Peanut Sheller: What is the maximum separation loss? a. 1.2% b. 0.1% c. 1% d. 2%

c. 1%

In this type of fan, the airflow passes twice through a fan wheel with forward- curved blades. a. Fan with Conical Blowers b. Cross-Flow Blowers c. Vortex or Regenerative Blowers d. Roof Ventilators

b. Cross-Flow Blowers

Dehulled palay (husk/hull removed) with the bran layer still intact. a. Regular milled rice b. Overmilled rice c. Undermilled rice d. Brown rice

d. Brown rice

Conical structure or orifice rings that are being used at the end of testing duct of fan/blower to enable variation in air volumetric flow rate. a. Fan/blower b. Static air power c. Throttling device d. Pitot tube

c. Throttling device

Enclosed structure for intense heating by fire using any biomass like woodchips, corncobs and rice hulls as fuel. a. Biomass furnace b. Grate c. Hearth d. Workload

a. Biomass furnace

Based on PAES 242:2010 Biomass Furnace: What is the rice hull angle of repose? a. 30°-36° b. 30°-40° c. 35°-50° d. 35°-35°

c. 35°-50° corncob - 30-36 rice hull - 35-50

Materials to be processed (i.e. dried, burned, melted, etc.) using biomass furnace. a. Biomass furnace b. Grate c. Hearth d. Workload

d. Workload

Flue gas and other products of combustion go into the dryer. a. Wet type biomass furnace indirect- fired b. Cyclonic direct-fired biomass furnace c. Direct-fired biomass furnace d. Indirect-fired biomass furnace

c. Direct-fired biomass furnace

Fine and powder-like particles parenchymatous cells that are extracted from the coconut husk. a. Coconut husk b. Coconut powder c. Coconut peat d. Coconut coir

c. Coconut peat

Power transmission device used to transmit power and motion between two shafts consisting of flat belts which ride in flat pulleys. a. V-pulley drive b. Flat belt drive c. V-belt drive d. Flat belt

b. Flat belt drive

Keys with a tapered longitudinal section. a. Parallel keys b. Flat belt keys c. Taper keys d. Woodruff keys

c. Taper keys

Essentially a split and bolted sleeve coupling, proportioned to clamp firmly on the shafts a. Clamp shaft coupling b. Flange face coupling c. Flexible couplings d. Rubber-flexible coupling

a. Clamp shaft coupling

Based on PAES 243: 2010 Biomass Furnace – Methods of Test: What is the maximum moisture content for rice hulls to meet the efficient burning? a. 7% b. 12% c. 14% d. 13%

a. 7%

Are designed to connect shafts which are misaligned either laterally or angularly. a. Clamp shaft coupling b. Flexible couplings c. Rubber-flexible coupling d. Rigid couplings

b. Flexible couplings

Based on PAES 226: 2005 Agricultural Machinery – Micromill: What is the maximum broken grains? a. 25 % b. 50 % c. 90 % d. 80%

b. 50 %

Are used to connect shafts with much larger values of misalignment than can be tolerated by the other types of flexible couplings. a. Clamp shaft coupling b. Flange face coupling c. Universal joint d. Rubber-flexible coupling

c. Universal joint

Chemical compound with higher molecular weight consisting of a number of structural units linked together by covalent bonds. a. Polymer b. Covalent c. Copolymer d. Monomer

a. Polymer

Based on PAES 252:2011 Coffee Pulper: What is the minimum purity? a. 95% b. 98% c. 91% d. 93%

b. 98%

Substances that melt on heating and are processes in this state by a variety of extrusion and molding process. a. Thermoplastic b. Covalent c. Copolymer d. Monomer

a. Thermoplastic

Based on PAES 220: 2004 Peanut Sheller: What is the maximum blower loss? a. 0.5% b. 1.5% c. 2.5% d. 3.5%

a. 0.5%

Type of threshing cylinder wherein threshing is done between bar-like protrusions in parallel orientation laid on the periphery of the cylinder and stationary bars built into or attached to the concave grate. a. Peg-tooth cylinder b. Threshing unit c. Rasp-bar cylinder d. Threshing element

c. Rasp-bar cylinder

Based on PAES 228:2005 Agricultural Machinery –Fiber Decorticator: What is the minimum fiber recovery for abaca? a. 3.37 % b. 4.37 % c. 1.9 % d. 80%

a. 3.37 %

Part of the threshing unit that rotates about an axis and it is equipped with either pegs, rasp bars, or wire loops on its periphery. a. Peg-tooth cylinder b. Threshing unit c. Through flow thresher d. Threshing cylinder

d. Threshing cylinder

Attachments of the threshing cylinder such as pegtooth, wire-loop and rasp-bar that detaches the grains from the panicles. a. Peg-tooth cylinder b. Threshing unit c. Through flow thresher d. Threshing element

d. Threshing element

Based on PAES 256:2011 Corn Picker: What is the minimum field efficiency? a. 95% b. 85% c. 75% d. 65%

d. 65%

Type of threshing cylinder wherein wires of the same arc and size are attached. a. Upper concave b. Wire-loop cylinder c. Rasp-bar cylinder d. Lower concave

b. Wire-loop cylinder

A semi-circular shaped grate at the upper portion of the threshing cylinder with louvers which assist threshing and axial movement of the straw. a. Upper concave b. Wire-loop cylinder c. Rasp-bar cylinder d. Lower concave

a. Upper concave

Bran outer layer of the brown rice consisting of the aleurone cells covering the endosperm of the rice grain. a. Bran b. Rice hull c. Aota d. Nota

a. Bran

Grains obtained after the removal of hull and bran. a. Regular milled rice b. Milled rice c. Undermilled rice d. Well-milled rice

b. Milled rice

Rice mill that employs a series of two or more whitening machines. a. Rubber roll type b. Friction type c. Abrasive type d. Multi-pass rice mill

d. Multi-pass rice mill

Ratio of the weight of grains that do not break in the process of milling and with a size of three-fourth (3/4) or more of the whole grain to the total weight of milled rice, expressed in percent. a. Percent regular milled rice b. Percent head rice c. Percent undermilled rice d. Percent well-milled rice

b. Percent head rice

Outermost rough covering of the palay grain (palea and lemma) consisting of the empty glumes, floral glumes, and awn. a. Bran b. Rice hull c. Aota d. Nota

b. Rice hull

Based on PAES 242:2010 Biomass Furnace: What is the corncob angle of repose? a. 30°-40° b. 35°-50° c. 35°-35° d. 30°-36°

d. 30°-36° corncob - 30-36 rice hull - 35-50

Type of rice mill using rubber roll huller and utilizes friction and/or combination of other types of whitener. a. Rubber roll type b. Friction type c. Abrasive type d. Single-pass rice mill

a. Rubber roll type

Rice mill that employs only one whitening machine. a. Rice mill b. Cone “cono” type c. Abrasive type d. Single-pass rice mill

d. Single-pass rice mill

Component of a rice mill that removes the bran layer in the brown rice. a. Polisher b. Paddy grader c. Destoner d. Whitener

d. Whitener

Type of whitening machine consisting of a cylinder or cone coated with abrasive material such as emery stone or any similar materials enclosed in a perforated steel housing. a. Rice mill b. Cone “cono” type c. Abrasive type d. Single-pass rice mill

c. Abrasive type

Based on PAES 244:2010 Biomass Shredder: What is the maximum recommended noise for biomass shredder? a. 98 dB b. 96 dB c. 97 dB d. 92 dB

b. 96 dB

Milled corn kernels with particle size between 1.2 mm to 1.4 mm a. Grit # 10 b. Grit # 12 c. Grit # 14 d. Grit # 16

c. Grit # 14

Based on PAES 228:2005 Agricultural Machinery –Fiber Decorticator: What is the minimum fiber recovery for banana? a. 0.37 % b. 1.37 % c. 3.9 % d. 0.59%

d. 0.59%

Cleaner that uses air to separate lower density material from the corn kernels/corn grits such as floured corn, germ and bran. a. Aspirator b. Degerminator c. Oscillating screen d. Laboratory sieve shaker

a. Aspirator

Based on PAES 220: 2004 Peanut Sheller: What is the minimum shelling recovery? a. 97.0% b. 95.0% c. 99.0% d. 93.0%

d. 93.0%

Shelled corn kernels where the germ and pericarp have been removed. a. Corn ear b. Kernel c. Degerminated corn kernels d. Whole kernels

c. Degerminated corn kernels

Based on PAES 254:2011 Abaca Stripper: What is the maximum stripping loss? a. 20% b. 40% c. 60% d. 80%

a. 20%

Equipment with definite shaking motion used to sort the size of the milled materials using standard screen sieves. a. Aspirator b. Degerminator c. Oscillating screen d. Laboratory sieve shaker

d. Laboratory sieve shaker

Rotating part of the chipping machine that holds the cutting knives. a. Chipping machine b. Cutting disc c. Header d. Reel

b. Cutting disc

Based on PAES 246:2010 Dehusked Corn Dryer: What is the required airflow rate of drying air for dehusked corn dryer? a. 15 to 40 m3/min per cubic meter of dehusked corn b. 15 m3/min per cubic meter of dehusked corn c. 40 m3/min per cubic meter of dehusked corn d. 45 m3/min per cubic meter of dehusked corn

a. 15 to 40 m3/min per cubic meter of dehusked corn

Portion of the combine comprising the mechanism for gathering, and cutting, stripping or picking the crop. a. Chipping machine b. Cutting disc c. Header d. Reel

c. Header

Revolving slats or arms with battens arranged parallel to the cutter bar to hold the crop being cut by the knife and to push and guide it to a conveyor platform or feeder conveyor auger. a. Chipping machine b. Cutting disc c. Header d. Reel

d. Reel

Mobile grain-harvesting machine for cutting, picking, stripping or picking up crop, threshing, separating, cleaning and conveying grain into a grain hopper and depositing harvest residue onto the ground. a. Rice stripper b. Rice combine c. Rice reaper d. Corn reaper

b. Rice combine

Type of micromill with milling capacity of 50 kg/h to less than 100 kg/h. a. Household model b. Fiber decorticator c. Village model d. Micromill

a. Household model

Friction type rice mill performing simultaneous hulling and whitening operations and having a milling capacity of 50-250 kg/h. a. Household model b. Fiber decorticator c. Village model d. Micromill

d. Micromill

Biomass fuels are fed on the combustion chamber in cyclonic manner using a blower. The biomass fuels in this type of furnace are burned while in suspension. a. Wet type biomass furnace indirect- fired b. Cyclonic direct-fired biomass furnace c. Dry type biomass furnace indirect- fired d. Indirect-fired biomass furnace

b. Cyclonic direct-fired biomass furnace

Indirect-fired biomass furnace this type of biomass furnace shall use a heat exchanger to prevent flue gas and other products of combustion to go with the drying air. a. Wet type biomass furnace indirect- fired b. Cyclonic direct-fired biomass furnace c. Direct-fired biomass furnace d. Indirect-fired biomass furnace

d. Indirect-fired biomass furnace

Heat resisting lining of the furnace using layer/s of fire bricks. a. Monolithic lining b. Concrete lining c. Brick lining d. Ceramic fiber lining

c. Brick lining

Heat resisting lining of the furnace using aggregates and bonding agent(s). a. Monolithic lining b. Concrete lining c. Brick lining d. Ceramic fiber lining

a. Monolithic lining

Method that uses tuxying knife to thrust one side of the leaf sheath and make a cut between the upper and the inner portions of the material to be able to extract the tuxies. a. Bacnis method b. Locnit method c. Tuxy d. Tuxying

b. Locnit method

Based on PAES 230: 2005 Coconut Oil Expeller: What is the minimum percent crude oil recovery of oil expeller? a. 60% b. 50% c. 40% d. 30%

a. 60%

Separating the outer layer from inner layer of leaf sheath which is at most 1.8 mm of abaca leaf sheath either by locnit method (using tuxying knife) or bacnis method (using bolo. a. Bacnis method b. Locnit method c. Tuxy d. Tuxying

d. Tuxying

Based on PAES 218: 2004 Forage Chopper: What is the required maximum noise level? a. 99 dB b. 92 dB c. 96 dB d. 90 dB

c. 96 dB

Cylindrical gear whose tooth traces are helices, it transmits rotational motion and power between two parallel axes. a. Helical gear b. Taper gear c. Spur gear d. Bevel gears

a. Helical gear

Based on PAES 228:2005 Agricultural Machinery –Fiber Decorticator: What is the minimum fiber recovery for maguey? a. 2.97 % b. 3.75 % c. 1.9 % d. 10%

b. 3.75 %

Mechanical grain dryer wherein the grain in fixed volume is held in the drying chamber in batches until the grain reaches the desired moisture content. a. Flatbed type b. Recirculating type c. Batch type d. Recirculating type

c. Batch type

Based on PAES 220: 2004 Peanut Sheller: What is the minimum shelling efficiency? a. 95% b. 91% c. 99% d. 92%

a. 95%

Total amount of heat utilized to vaporize moisture in the material, expressed in kj/kg of h2o. a. Heat utilization b. Airflow rate c. Plenum d. Moisture gradient

a. Heat utilization

Based on PAES 254:2011 Abaca Stripper: What is the maximum noise level? a. 92 dB b. 99 dB c. 96 dB d. 97 dB

c. 96 dB

Percentage of grains free of foreign matter. a. Broken grains b. Immature grain c. Purity d. Damaged grain

c. Purity

Machine used to remove the hull and bran of the palay to produce milled rice and consists mainly of hulling and whitening assembly. a. Rice mill b. Cone “cono” type c. Abrasive type d. Single-pass rice mill

a. Rice mill

Based on PAES 244:2010 Biomass Shredder: What is the minimum shredding efficiency? a. 80% b. 90% c. 85% d. 70%

b. 90%

PAES 201 TO PAES 259 & PAES 301 TO PAES 320 Flashcards

AGRICULTURAL MACHINERY & ENGINEERING MATERIALS (199 cards)