CSS Agriculture Questions & Answers - Part-4 - Set 22

1)   Engine oil should be changed at every:

a. 50 hours
b. 100 hours
c. 120 hours
d. 150 hours
Answer  Explanation 

ANSWER: 120 hours

Explanation:
No explanation is available for this question!


2)   Tractor transmission oil should be changed at every:

a. 100 hours
b. 300 hours
c. 500 hours
d. 750 hours
Answer  Explanation 

ANSWER: 750 hours

Explanation:
No explanation is available for this question!


3)   Slogging or lugging ability is associated with:

a. Engine speed
b. Engine torque
c. Engine load
d. All are correct
Answer  Explanation 

ANSWER: Engine torque

Explanation:
No explanation is available for this question!


4)   A device to control the engine speed within specific limit is called:

a. Carburetor
b. Governor
c. Radiator
d. Differential
Answer  Explanation 

ANSWER: Governor

Explanation:
No explanation is available for this question!


5)   The useful life of tractor is:

a. 8,000 hours
b. 10,000 hours
c. 12,000 hours
d. 15,000 hours
Answer  Explanation 

ANSWER: 10,000 hours

Explanation:
No explanation is available for this question!


6)   A part that connects piston with connection rod is:

a. Piston ring
b. Gudgen pin
c. Safety pin
d. Camshaft
Answer  Explanation 

ANSWER: Gudgen pin

Explanation:
No explanation is available for this question!


7)   Power tiller operates most satisfactorily with:

a. Rotary tools
b. Ploughs
c. Transport wheel
d. Harrows
Answer  Explanation 

ANSWER: Rotary tools

Explanation:
No explanation is available for this question!


8)   In an adiabatic process system:

a. Temperture is constant
b. Pressure is constant
c. Heat is constant
d. Volume is constant
Answer  Explanation 

ANSWER: Heat is constant

Explanation:
No explanation is available for this question!


9)   Weight transfer of tractor is directly affected by:

a. Pull
b. Hitch height
c. Both (a) & (b)
d. Wheel base
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


10)   Compression ratio of diesel engine is:

a. 4;1
b. 6;1
c. 15;1
d. 25;1
Answer  Explanation 

ANSWER: 4;1

Explanation:
No explanation is available for this question!


11)   Maximum torque in a tractor is generated at:

a. Rated rpmb
b. Less than rated rpm
c. Rated horsepower
d. Maximum idling
Answer  Explanation 

ANSWER: Less than rated rpm

Explanation:
No explanation is available for this question!


12)   Brake works on principle of:

a. Friction
b. Vibration
c. Sliding
d. Suction
Answer  Explanation 

ANSWER: Friction

Explanation:
No explanation is available for this question!


13)   Soil texture represent the:

a. Size and proportion of particles making a soil
b. Arrangement of soil particles
c. Both (a) & (b)
d. None of these
Answer  Explanation 

ANSWER: Size and proportion of particles making a soil

Explanation:
No explanation is available for this question!


14)   Brake fluid used in hydraulic brake is a mixture of:

a. Glycerin and alcohol
b. Alcohol and methane
c. Glycerin and methane
d. None of these
Answer  Explanation 

ANSWER: Glycerin and alcohol

Explanation:
No explanation is available for this question!


15)   When brake is applied the kinetic energy of body is converted into:

a. Electrical energy
b. Heat energy
c. Chemical energy
d. Mechanical energy
Answer  Explanation 

ANSWER: Heat energy

Explanation:
No explanation is available for this question!


16)   The optimum engine temperature is about:

a. 60 deg.
b. 82 deg.
c. 100 deg.
d. 120 deg.
Answer  Explanation 

ANSWER: 82 deg.

Explanation:
No explanation is available for this question!


17)   Cetane number for commercial diesel fuel varies from:

a. 20-40
b. 30-60
c. 60-90
d. 90-100
Answer  Explanation 

ANSWER: 30-60

Explanation:
No explanation is available for this question!


18)   Loss of value of machine with passage of time is:

a. Depreciation
b. Interest
c. Hiring cost
d. None of these
Answer  Explanation 

ANSWER: Depreciation

Explanation:
No explanation is available for this question!


19)   Pressure due to radiator cap:

a. Raises boiling temperature
b. Reduces boiling temperature
c. Cools the water
d. None of these
Answer  Explanation 

ANSWER: Raises boiling temperature

Explanation:
No explanation is available for this question!


20)   The voltage in spark plug at the time of spark is:

a. 300-400 V
b. 100-200 V
c. 1000-10000 V
d. 20000 V
Answer  Explanation 

ANSWER: 20000 V

Explanation:
No explanation is available for this question!


21)   Heavy smoking in an engine during operation may be due to:

a. Rich mixture
b. Overloading
c. Late injection
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


22)   Relative movement of the wheel in direction of travel for given distance under load and no load condition is:

a. Wheel slip
b. Coefficient of traction
c. Coefficient of rolling resistance
d. Tractive efficiency
Answer  Explanation 

ANSWER: Wheel slip

Explanation:
No explanation is available for this question!


23)   BHP of the engine indicates:

a. Power in cylinder
b. Power on flywheel
c. Power drawbar
d. Power at PTO pulley
Answer  Explanation 

ANSWER: Power on flywheel

Explanation:
No explanation is available for this question!


24)   Which of the following is transmission dynamometer?

a. Torsion dynamometer
b. Froude's hydraulic dynamometer
c. Belt dynamometer
d. Prony brake dynamometer
Answer  Explanation 

ANSWER: Torsion dynamometer

Explanation:
No explanation is available for this question!


25)   Turbo chargers are driven by:

a. Engine
b. Dynamo
c. Exhaust
d. PTO shaft
Answer  Explanation 

ANSWER: Exhaust

Explanation:
No explanation is available for this question!


26)   Centre of gravity of tractor is determined by:

a. Suspension method
b. Balancing method
c. Weighing method
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


27)   The PTO HP of a tractor is:

a. Less than drawbar
b. More than engine HP
c. More than drawbar HP
d. Less than friction HP
Answer  Explanation 

ANSWER: More than drawbar HP

Explanation:
No explanation is available for this question!


28)   The most commonly used method for determination of centre of gravity of tractor is:

a. Suspension method
b. Balancing method
c. Weighing method
d. All are correct
Answer  Explanation 

ANSWER: Suspension method

Explanation:
No explanation is available for this question!


29)   Main constitute is:

a. Methane
b. Ethane
c. Butane
d. Carbon dioxide
Answer  Explanation 

ANSWER: Methane

Explanation:
No explanation is available for this question!


30)   In SI engine, intake opens about:

a. 10 deg before TDC
b. At TDC
c. 10 deg after TDC
d. 20 deg after TDC
Answer  Explanation 

ANSWER: 10 deg before TDC

Explanation:
No explanation is available for this question!


31)   The base function of governor in an engine is to regulate the:

a. Fuel consumption
b. Power development
c. Engine speed
d. None of these
Answer  Explanation 

ANSWER: Power development

Explanation:
No explanation is available for this question!


32)   The ratio of rolling resistance to dynamic load is:

a. Coefficient of traction
b. Tractive efficiency
c. Coefficient of rolling resistance
d. Rolling resistance
Answer  Explanation 

ANSWER: Coefficient of rolling resistance

Explanation:
No explanation is available for this question!


33)   The power developed by an average pair of bullocks varies from:

a. 0.0-5 hp
b. 0.5-1.0 hp
c. 1.0-1.5 hp
d. 1.5-2.0 hp
Answer  Explanation 

ANSWER: 0.5-1.0 hp

Explanation:
No explanation is available for this question!


34)   Ratio of total force output of the traction device in direction of travel to dynamic weight on traction device is:

a. Tractive efficiency
b. Coefficient of traction
c. Coefficient of rolling resistance
d. Wheel slip
Answer  Explanation 

ANSWER: Coefficient of traction

Explanation:
No explanation is available for this question!


35)   The rear part of a tractor is heavier than the front part of tractor to get:

a. Higher tractive efficiency
b. Lower tractive efficiency
c. Less wheel slip
d. All are correct
Answer  Explanation 

ANSWER: Higher tractive efficiency

Explanation:
No explanation is available for this question!


36)   An engine is called I head engine when:

a. Valves are immediately above the cylinder
b. Both valves are on one side
c. Valves are in opposite direction
d. None of these
Answer  Explanation 

ANSWER: Valves are immediately above the cylinder

Explanation:
No explanation is available for this question!


37)   A steam engine is an:

a. Spark ignition engine
b. Compression ignition engine
c. External combustion engine
d. IC engine
Answer  Explanation 

ANSWER: External combustion engine

Explanation:
No explanation is available for this question!


38)   In hydraulically control hitching system, the equpment vibrates due to:

a. Lower oil level
b. Clogging of oil filter
c. Trapping of air in oil filter
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


39)   Engine in which heat is taken at one constant pressure and rejected at another constant pressure is:

a. Otto cycle
b. Auto cycle
c. Diesel cycle
d. Petrol cycle
Answer  Explanation 

ANSWER: Otto cycle

Explanation:
No explanation is available for this question!


40)   The total swept volume of all pistons during power strokes occurring in one minute is:

a. Piston volume
b. Clearance volume
c. Displacement volume
d. None of these
Answer  Explanation 

ANSWER: Displacement volume

Explanation:
No explanation is available for this question!


41)   When crankshaft of the engine completes one cycle, the camshaft completes:

a. Two revolution
b. Half revolution
c. Equal revolution of crankshaft
d. None of these
Answer  Explanation 

ANSWER: Half revolution

Explanation:
No explanation is available for this question!


42)   The camshaft gear is called:

a. Two time gear
b. One time gear
c. Halftime gear
d. None of these
Answer  Explanation 

ANSWER: Halftime gear

Explanation:
No explanation is available for this question!


43)   Tractive efficiency is affected by:

a. Slope of land
b. Wheel size
c. Height of hitch
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


44)   In hydraulically controlled hitching system, the implement does not remain in lifted position due to:

a. Defective valve
b. Oil leakage
c. Both (a) & (b)
d. Lower oil lever
Answer  Explanation 

ANSWER: Both (a) & (b)

Explanation:
No explanation is available for this question!


45)   The stroke bore of tractor engine varies from:

a. 1 to 1.45
b. 1 to 2
c. 1.45 to 2
d. 2 to 2.45
Answer  Explanation 

ANSWER: 1 to 1.45

Explanation:
No explanation is available for this question!


46)   The permissible slip for wheel type tyre during slippage testing is:

a. 3 to 5%
b. 7 to 10%
c. 15 to 20%
d. 20 to 30%
Answer  Explanation 

ANSWER: 15 to 20%

Explanation:
No explanation is available for this question!


47)   The permissible slip for crawler tractor during slippage testing is:

a. 3 to 5%
b. 7 to 10%
c. 15 to 20%
d. 20 to 30%
Answer  Explanation 

ANSWER: 7 to 10%

Explanation:
No explanation is available for this question!


48)   Traction can be be increased by:

a. Rubber tyre with grooves
b. Placing chain
c. Putting Luigs
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


49)   The operation to perform to open any cultivable land is:

a. Primary tillage
b. Secondary tillage
c. Minimum tillage
d. Reduced tillage
Answer  Explanation 

ANSWER: Primary tillage

Explanation:
No explanation is available for this question!


50)   Finer operation performed for seedbed preparation is:

a. Primary tillage
b. Secondary tillage
c. Strip tillage
d. Rotary tillage
Answer  Explanation 

ANSWER: Secondary tillage

Explanation:
No explanation is available for this question!


51)   Indigenous plough is:

a. Primary tillage tool
b. Secondary tillage tool
c. Multi-purpose tool
d. All are correct
Answer  Explanation 

ANSWER: Multi-purpose tool

Explanation:
No explanation is available for this question!


52)   Of the following, which are the primary tillage implements?

a. Chisel plough and disc harrow
b. Chisel plough and subsoiler
c. Disc plough and disc harrow
d. Leveler and clod crusher
Answer  Explanation 

ANSWER: Chisel plough and subsoiler

Explanation:
No explanation is available for this question!


53)   A cultivar wholw tynes swings back when obstacle encounter is:

a. Spike tooth cultivator
b. Spring type cultivator
c. Rigid type cultivator
d. All are correct
Answer  Explanation 

ANSWER: Spring type cultivator

Explanation:
No explanation is available for this question!


54)   A bullock drawn implement has:

a. Higher speed and higher working capacity
b. Lower speed and lower working capacity
c. Higher speed and lower working capacity
d. Lower speed and higher working capacity
Answer  Explanation 

ANSWER: Lower speed and lower working capacity

Explanation:
No explanation is available for this question!


55)   Tractor drawn implements have:

a. High speed and higher working capacity
b. Lower speed and lower working capacity
c. Higher speed and lower working capacity
d. Lower speed and higher working capacity
Answer  Explanation 

ANSWER: High speed and higher working capacity

Explanation:
No explanation is available for this question!


56)   An implement that pulled and guided by single hitch point of a tractor is:

a. Trailed implement
b. Mounted implement
c. Semi mounted implements
d. All are correct
Answer  Explanation 

ANSWER: Trailed implement

Explanation:
No explanation is available for this question!


57)   An implement that attached to a tractor along hinge axis and controlled directly by tractor steering unit is:

a. Trailed implements
b. Mounted implements
c. Semi mounted implements
d. All are correct
Answer  Explanation 

ANSWER: Semi mounted implements

Explanation:
No explanation is available for this question!


58)   An implement that fully supported by the tractor is:

a. Trailed implement
b. Mounted implement
c. Semi mounted implements
d. All are correct
Answer  Explanation 

ANSWER: Mounted implement

Explanation:
No explanation is available for this question!


59)   Ploughing is done to

a. Improve soil aeration
b. Destroy weeds
c. Increase water-holding capacity
d. All are correct
Answer  Explanation 

ANSWER: All are correct

Explanation:
No explanation is available for this question!


60)   The plough bottom as combined unit consists of:

a. Share, landside, frog and MB
b. Coulter, jointer and frog
c. Beam, handle and MB
d. None of these
Answer  Explanation 

ANSWER: Share, landside, frog and MB

Explanation:
No explanation is available for this question!