E6 Flashcards by Jumely Arendon

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 indirectfired
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%

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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

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 indirectfired? 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

a. Centrifugal Fans with Forward-Curved 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 %

E6 Flashcards

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