AREA 1 Flashcards
The distance from the center of the crankshaft to the center of the crankpin.
crank throw
cam shaft
crank rod
crank stroke
crank throw
Continuous running tests of a single cylinder engine is done in_____ hours.
24 hours
8 hours
6 hours
5 hours
5 hrs
The winding that is not connected to the power source, but carries current that comes from the magnetic linkage.
secondary windings
stator windings
rotor windings
primary windings
secondary windings
Engines are not normally used for
4-wheel tractors
4-row harvesters
power sprayers
1-ton rice mills
1-ton rice mills
If an electric motor rated at 220 volts and 4.8 amperes is converted to 110 volts, then its rated current will be:
2.4 A
7.2 A
4.8 A
9.6 A
9.6A
Maximum allowed untilled or percent overlap of hand tractors for field operation:
5%
15%
10%
20%
15%
They are endless belts made with single ply high tensile cords and they are oil and heat resistant.
leather belts
synthetic belts
rubber belts
nylon cords
nylon cords
Four-wheel tractors are characterized as:
low speed-low torque
low speed-high torque
high speed-high torque
high speed-low torque
low speed-high torque
The field area (m2) required for testing the performance of a hand tractor is:
200
400
500
300
500
Trading entity authorized by foreign and local suppliers and/or manufacturers to distribute agricultural machinery to dealers:
manufacturer
distributor
dealer
entrepreneur
distributor
It is a special arrangement of gears so constructed and located in the transmission system of a 4-wheel tractor that permits one driving wheel to rotate slower or faster than the other and at the same time propel its share of the load.
Gear box
Clutch
Differential
Power take-off
Differential
A gear whose teeth are straight, but the sides are tapered so that they would intersect the axis at a common point.
miter gear
spur gear
straight bevel gear
helical gear
straight bevel gear
The perpendicular distance between the wing and the point of the share determines the:
traverse dimension of plow
longitudinal dimension of plow
diagonal dimension of plow
maximum dimension of plow
traverse dimension of plow
It produces its torque by virtue of the force of weights pressing against the driving or frictionally driven member.
plate clutch
disc clutch
conical clutch
centrifugal clutch
centrifugal clutch
Sprayers are used primarily for the application of:
herbicides
fungicides
insecticides
pesticides
pesticides
It is a method of pump drive where the pump is built with a common shaft and bearings for the pump and the driver forming a single compact unit:
closed- connected
belt-driven
direct-coupled
sprocket-driven
closed- connected
This is the application and management of pests by manipulating the environment or implementing preventive practices such as using plants that are resistant to pests, proper timing of planting and crop rotation.
Ecological Control
Cultural Control
Biological Control
Chemical Control
Cultural Control
Which of the following is not a typical example of a small single-cylinder engine?
air-cooled gasoline engine
air-cooled diesel engine
water-cooled gasoline engine
water-cooled diesel engine
water-cooled gasoline engine
This type of transmission system is common to two wheel tractors
Direct coupling
Chain and sprockets
Gear systems
Differential
Chain and sprockets
Planters which are designed to plant one or more seeds or plants with row spacing equal to hill spacing:
solid planters
precision planter
check row planter
hill drop planter
check row planter
How many spark plugs are needed in a 16-valve, 4-stroke, 4-cylinder compression ignition engine?
0
4
8
6
0
The process of allowing into the engine chamber a volume of air larger than what the engine chamber would normally admit during suction stroke.
Turbocharging
Supercharging
Choking
Intake
Supercharging
For complete combustion of diesel, how much air is needed?
11.1 kg/kg of diesel
12.5 kg/kg of diesel
14.9 kg/kg of diesel
24.5 kg/kg of diesel
14.9 kg/kg of diesel
It absorbs the pressure of the expanding gases.
Piston rings
Connecting rod
Crankshaft
Piston
Piston