EXAM M

Question 1

Planter designed to plant seeds in rows and in hills is called:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

Question 2

It indicates the ratio of the amount of heat given off by the furnace to the system and the heat used from the fuel.
a. Burning efficiency
b. Thermal efficiency
c. Heat utilization energy
d. None of the above

Question 3

Which of the following is true in operating gasifier for internal
combustion engine?
a. Only 50 to 70 % of the diesel oil can be replaced by gas producer.
b. Gasoline and diesel can be fueled with gas producer.
c. The power output of gasoline engine at arbitrary rpm will decrease
by 30 to 50 % when fueled with producer gas.
d. All of the above

Question 4

A rice hull gasifier reactor that produces less tar during operation.
a. Updraft
b. Cross draft
c. Down draft
d. All of the above

Question 5

Power generated from moving air
a. Wind power
b. Hydropower
c. Photovoltaic cell
d. None of the above

Question 6

A gas produces putrefactive bacteria that breaks down organic material
under airless condition consisting mainly of methane and carbon dioxide.
a. Biofuel
b. Biogas
c. Gasifier
d. LPG

Question 7

A device that converts kinetic energy of the wind to mechanical power.
a. Rotor
b. Generator
c. Motor
d. None of the above

Question 8

The IRRI axial-flow thresher is characterized as: (code 67)
a. low power & hold-on feeding
b. low power & throw-in feeding
c. high power & hold-on feeding
d. high power &throw-in feeding

Question 9

What section is not yet included in the PAES?
a. Production/postharvest machinery
b. Irrigation and drainage
c. agricultural structures
d. engineering materials

Question 10

5 pcs. of work benches are needed for the AE REVIEW 2011. The engineers
found out that they needed 10 pcs. of 2”x3”x12’ and 6 pcs. of 2”x2”x6’
for each work bench. How many board feet of lumber would they need for a
bench?
a. 420 board feet
b. 84 board feet
c. 72 board feet
d. 360 board feet

Question 11

Percentage engine output to be attained when testing based on the maximum
rated power output.
a. 60%
b. 80%
c. 100%
d. All of the above

Question 12

Basic hand tools for engine maintenance:
a. Open wrench
b. Adjustable wrench
c. Screw driver (Philip and Flat)
d. All of the above

Question 13

It is an articulated connection between a link and the implement.
a. Hitch point
b. Link point
c. Implement point
d. All of the above

Question 14

It is an articulated connection between a link and the tractor.
a. Hitch point
b. Link point
c. Implement point
d. All of the above

Question 15

It is the center to center distance between two front or rear wheels.
a. Wheel clearance
b. Wheel tread
c. Wheel distance
d. None of the above

Question 16

A type of four-wheel tractor where power is transmitted to all wheels of the tractor.
a. Two-wheel drive tractor
b. Four-wheel drive tractor
c. Hydraulic drive tractor
d. None of the above

Question 17

A type of four-wheel tractor where power is transmitted to rear wheels with small front wheels being pushed along.
a. Two-wheel drive tractor
b. Four-wheel drive tractor
c. Hydraulic drive tractor
d. None of the above

Question 18

Auxiliary gear shift lever of a tractor is usually located at the
____________.
a. right side of the operator seat
b. left side of the operator seat
c. front of the operator seat
d. None of the above

Question 19

PAES recommended thickness of drawbar for four-wheel agricultural
tractor.
a. Not more than 32 mm
b. 32 mm
c. More than 32 mm
d. None of the above

Question 20

The IRRI drum seeder is an example of:
a. row-crop drill planter
b. hill-drop planter
c. solid drill planter
d. broadcaster

Question 21

Parameter not required in determining the field capacity of a planter:
a. width of planter
b. forward speed of planter
c. No. of seeds per hill
d. efficiency of planter

Question 22

Average power density of solar heat striking the earth surface.
a. 1 kw/m2
b. 0.89 kw/m2
c. 0.58 kw/m2
d. None of the above

Question 23

The gearbox placed on first gear will develop…
a. high torque - high speed
b. low torque – low speed
c. high torque – low speed
d. low torque – high speed

Question 24

This vertical axis windmill has a very low tip speed ratio and power coefficient of less than 0.2. The rotor is usually constructed using a cylindrical tank cut axially into two and installed vertically face to face at an offset position.
a. Savonious
b. Cretan
c. Darrieus
d. Multibladed

Question 25

A more meaningful classification for tools would be based on ________. a. material that they work on b. use or function c. user d. cost

Question 26

Wrought iron, steel, cast iron, pig iron are all _________. a. Alloys b. a and b c. ferrous metals d. non-ferrous metals

Question 27

Which fastener has a cross mark slot on its head? a. flat head b. Phillips head c. square head d. all of the above

Question 28

What year was the metric system first used in the Philippines? a. 1980 b. 1983 c. 1981 d. 1982

Question 29

The thickness of a metal sheet is designed by a series of numbers called __________. a. Schedule b. gauge number c. SAE number d. ply rating

Question 30

A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet. a. Atomization b. Carburetion c. Turbo charging d. None of the above

Question 31

A device that is used to actuate the throttle of an engine to increase its speed. a. Governor b. Accelerator c. Actuator d. None of the above

Question 32

Usable power delivered by the engine a. Indicated horsepower b. Brake horsepower c. Rated horsepower d. None of the above

Question 33

A device that meters the fuel air and mixes them into harmonious mixture before the mixture enters the combustion chamber of an engine. a. Governor b. Air injector c. Carburetor d. All of the above

Question 34

A device that permits the flow of fuel and of burned gases in one direction only. a. Check valve b. Relief valve c. Spark plug d. None of the above

Question 35

An internal combustion engine that produces power in one revolution of the crankshaft. a. Four stroke cycle engine b. Two stroke cycle engine c. Rotary engine d. None of the above

Question 36

During the power stroke, which of the following valve is open? a. Intake b. Exhaust c. Intake and exhaust d. None of the above

Question 37

Number of spark plugs for 6 cylinder diesel engine a. 6 b. 12 c. 4 d. None of the above

Question 38

The volume displaced by a piston in making upward and downward stroke. a. Piston displacement volume b. Clearance volume c. Total volume d. None of the above

Question 39

At the downward stroke of two-stroke cycle, which of the events are taking place. a. Power & intake b. Compression & exhaust c. Power and exhaust d. None of the above

Question 40

The ratio of the clearance volume from the total volume. a. Compression ratio b. Air fuel ratio c. Bore stroke ratio d. None of the above

Question 41

Power transmitted to the pistons by the gas in the cylinder a. Brake horsepower b. Indicated horsepower c. Drawbar horsepower d. Flywheel horsepower

Question 42

The space when the piston is at the top dead center a. Piston displacement volume b. Clearance volume 188 c. Total volume d. None of the above

Question 43

How many piston strokes are there in one revolution of a crankshaft. a. One b. Two c. Four d. None of the above

Question 44

Engine having fuel injected into the combustion chamber near the end of the combustion stroke and is ignited by heat of compression only. a. Gasoline engine b. Diesel engine c. Steam engine d. None of the above

Question 45

The sequence by which the cylinder delivers the power stroke. a. Ignition b. Firing order c. Flash point d. None of the above

Question 46

Engine that burns fuel outside the cylinder. a. Spark ignition engine b. External combustion engine c. Compression ignition engine d. None of the above

Question 47

At the intake stroke of a diesel engine, what come in? a. Fuel and air b. Fuel c. Air d. None of the above

Question 48

A device that creates ignition of fuel in a diesel engine. a. Spark plug b. Piston c. Carburetor d. None of the above

Question 49

Two pistons running at the same time in the same direction but performing different strokes. a. Running mate b. Firing order c. Valve timing d. None of the above

Question 50

Distance of movement piston from the top dead to the bottom dead center. a. Stroke b. Bore c. Valve clearance d. None of the Above

Question 51

Firing order of 4-cylinder engine. a. 1-2-3-4 b. 1-3-4-2 c. 1-2-4-3 d. None of the above

Question 52

The cetane rating of alpha-methylnaphthalene is: a. 50 b. 20 c. 80 d. none of the above

Question 53

This rating is given to diesel fuels for their ability to burn without detonating as compared with the performance of reference fuels. a. octane rating b. cetane rating c. heptane rating d. alcohol rating

Question 54

The cutting mechanism most commonly employed by reapers and combines is: a. slicing & tearing b. high velocity, single-element, impact action c. two-element, scissor-type action d. all of the above

Question 55

The advantages of seasoning lumber is/are: a. reduce its weight b. decrease shrinkage c. increase its strength and resistance to decay d. all of the above

Question 56

Manufacturer’ specification for float assisted tiller field capacity based on PAE Standard. a. to 2.5 kph b. 2.5 to 4.0 kph c. 4.0 to 6.5 kph d. None of the above

Question 57

It is a set of sprinkler nozzles. a. Boom b. Sprinkler laterals c. Sprayer nozzle set d. None of the above

Question 58

What property of metal refers to its ability to resist penetration? a. Hardness b. Toughness c. Strength d. All of the above

Question 59

The differential of a tractor is required when making a: a. right turn b. left turn c. going straight d. a and b

Question 60

Fuel used by compression ignition engine is: a. kerosene b. methane c. diesel d. gasoline

Question 61

Before the adoption of mechanized harvest and postharvest operations for rice, field losses were: a. 5 – 15% b. 10 – 27% c. 10 – 37% d. 20 – 30%

Question 62

Which of the following statements is incorrect: The higher the pressure,: a. the larger the droplet size b. the higher flow rate c. the wider the spray angle d. all of the above

Question 63

A process of providing the engine with additional amount of air and fuel using a small turbine propelled by engine exhaust gas to increase power by about 30%. a. Turbocharging b. Supercharging c. Air and fuel injecting d. None of the above

Question 64

The pivotal point of connection of hitch to the tractor or a center of the articulated connection between link and the implement a. Link point b. Hitch pin c. Hitch point d. All of the above

Question 65

Which of the following is not a source of energy for farming? a. Solar energy b. Wind energy c. Biomass energy d. None of the above

Question 66

A conventional source of energy. a. Human power b. Draft Animal c. Fossil fuel d. All of the above

Question 67

A non-conventional sources of energy a. Biomass b. Solar c. Wind d. All of the above

Question 68

A steam engine is an example of ______________. a. an internal combustion engine b. an external combustion engine c. a dual combustion engine d. None of the above

Question 69

A constant volume cycle engine. a. Gasoline engine b. Diesel engine c. Steam engine d. None of the above

Question 70

A constant pressure cycle a. Gasoline engine b. Diesel engine c. Steam engine d. None of the above

Question 71

Power implements are usually connected to the ________ of the tractor. a. wheel axle drive b. power take-off drive c. front wheel drive d. None of the above

Question 72

Turbo charging tractor engine will increase the power output approximately by _____. a. 10 – 20 % b. 20 - 30 % c. 30 – 40 % d. None of the above

Question 73

Integral mounted implement are usually attached to the tractor through a ______. a. single point hitch system of the tractor b. double-hitch system of the tractor c. three-point hitch system of the tractor d. None of the above

Question 74

A semi-integral mounted type implements are usually attached to the tractor through a _________. a. single point hitch system of the tractor b. double-hitch system of the tractor c. three-point hitch system of the tractor d. None of the above

Question 75

Trailing-type implements are usually attached to the tractor through a _________. a. single point hitch system of the tractor b. double-hitch system of the tractor c. three-point hitch system of the tractor d. None of the above

Question 76

A part of mechanism that they may be added to a functional power unit, not utilizing its mechanical power for the purpose of enhancing the performance of that unit. a. Auxiliary unit b. Spare parts c. Accessory d. None of the above

Question 77

Power take-off of lawn mower and garden ride-on tractors. a. 1000 rpm b. 540 rpm c. 2000 rpm d. None of the above