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WorksheetsFarm Power - Terms Only
Total questions: 50
Worksheet time: 25mins
A device that connects and disconnects power input to the power output.
Clutch
Gear
Pulley
NOTA
The part of engine that which slides up and down the cylinder and transmits power to the crankshaft.
Connecting rod
Cylinder block
Piston
Spark plug
The amount of power that the manufacturer specified for an engine.
Indicated horsepower
Brake horsepower
Rated horsepower
Belt horsepower
The distance of movement of the piston from top dead to bottom dead center.
Stroke
Bore
Valve clearance
NOTA
The reduction of engine speed or flow of fuel.
Throttling
Clutching
Atomization
NOTA
The usable power delivered by the engine.
Indicated HP
Brake HP
Rated HP
NOTA
A device that meter the fuel air and mixes them into harmonious mixture before the mixture enters the combustion chamber of an engine.
Governor
Air injector
Carburetor
NOTA
A device that permits the flow of fuel and of burned gases in one direction only.
Check Valve
Relief Valve
Spark plug
NOTA
An internal combustion engine that produces power in one revolution of the crankshaft.
Four stroke cycle engine
Two stroke cycle engine
Rotary engine
NOTA
During the power stroke, which of the following valve is open?
Intake
Exhaust
Both intake and exhaust
NOTA
Number of spark plugs for 6 cylinder diesel engine
6
12
3
NOTA
The ratio of the clearance volume from the total volume.
Compression ratio
Air-fuel ratio
Bore-stroke ratio
NOTA
Number of explosions in the piston on a single cylinder, four stroke cycle engine in 100 revolution of the crankshaft.
100
50
25
NOTA
The space when the piston is at the top dead center
Piston displacement
Clearance volume
Total volume
NOTA
How many piston strokes are there in one revolution of a crankshaft?
1
2
4
NOTA
The device that creates ignition of fuel in a diesel engine.
Spark plug
Piston
Carburetor
NOTA
How many times the intake valve open in a 4 stroke-cycle engine running at 2000 rpm.
500
1000
2000
4000
Firing order of a 6 cylinder engine.
1-2-3-4-5-6
1-3-5-4-2-6
1-5-3-6-2-4
NOTA
What is the mechanical efficiency of an engine having a brake horsepower of 8 hp and an indicated horsepower of 10 hp?
20%
40%
60%
80%
Part of an engine that converts reciprocating motion into rotary motion.
Crankshaft
Piston
Camshaft
NOTA
10 hp engine is equivalent to:
7.46 kW
76.4 W
0.746 kW
NOTA
Standard throttling adjustment of an engine.
1/3
1/2
3/4
NOTA
Number of pistons for 6 cylinder four stroke gasoline engine running at 2200 rpm:
24
6
91.67
NOTA
A term used to describe the resistance of oil to flow.
Viscosity
Cetane number
Volume weight
NOTA
The speed of the engine is automatically regulated by.
Hand lever
Governor
Flywheel
NOTA
Ignition timing for diesel engine.
5-12 deg
17-19 deg
20-26 deg
NOTA
One horsepower can generate heat energy equal to:
2455 BTU/hr
2545 BTU/hr
2445 BTU/hr
NOTA
A part of an engine which reduces vibration and stores energy.
Flywheel
Crankshaft
Camshaft
Piston
Power available on human for useful work.
0.01 hp
0.1 hp
0.3 hp
NOTA
A gas produces putrefactive bacteria that breaks down organic material under airless condition consisting mainly of methane and carbon dioxide.
Biofuel
Biogas
Producer gas
LPG
Average power density of solar heat striking the earth surface.
1 kW/m2
0.89 kW/m2
0.58 kW/m2
NOTA
A device that converts kinetic energy of the wind to mechanical power.
Rotor
Motor
Blades
NOTA
A device that converts electricity to mechanical power.
Rotor
Motor
Generator
NOTA
Power drive that can be found at the rear of the tractor to propel power implements and stationary machines.
Power take off
Hydraulic system
Differential gear
NOTA
Standard rpm of a tractor PTO drive.
360 rpm
280 rpm
540 rpm
NOTA
The burning efficiency of rice hull furnaces is between
70-80%
80-90%
90-99%
NOTA
The thermal efficiency of rice hull furnaces is between:
40-70%
70-90%
10-40%
NOTA
It is an indicator of the amount of fuel in a furnace that is converted into ash.
Burning efficiency
Thermal efficiency
Heat utilization efficiency
NOTA
The primary gas produced during gasification.
Methane
Carbon dioxide
Carbon monoxide
NOTA
A biogas is generated inside the
Gas holder
Mixing tank
Digester
NOTA
Air required for complete combustion of combustible gasses.
Stoichiometric air
Primary air
Secondary air
NOTA
The amount of heat required to raise the temperature of one pound water by one degree Fahrenheit.
kCal
BTU
joule
NOTA
Engine oil having high flash and fire point indicates ___.
high boiling point
high evaporation rate
high heating value
NOTA
An engine running at a speed of 2000 rpm is classified as:
low speed
medium speed
high speed
super speed
It is the utilization of hand tools, implements for draft animals, and mechanically-powered machines for agricultural land development, production, harvesting and non-farm processing.
agricultural development
agricultural mechanization
agricultural machinery and equipment
AOTA
One pferde starke (ps) is equal to
0.986 hp
0.735 kW
75 kgf-m/sec
AOTA
Belt size designation for agricultural V-belt is:
A,B,C,D,E
HA,HB,HC,HD,HE
AA,BB,CC,DD,EE
NOTA
Machine element that transmit torque and power.
Pulley
Bearing
Shaft
NOTA
The power required in pulling an implement.
Wheel power
Brake power
Drawbar power
NOTA
Two engines are rated 1 hp and the other is 1 ps. Which of the following statements is true:
1 hp engine is stronger than 1 ps engine
1 ps engine is stronger than 1 hp engine
both are the same strength
none are true
