Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The capacity of power tiller operated vertical conveyer reaper is

A. 0.15 ha/h
B. 0.25-0.35 ha/h
C. 0.35-0.45 ha/h
D. 0.45-0.60 ha/h
Answer» C. 0.35-0.45 ha/h
2.

Renewable source of energy can be renewed by

A. Chemical process
B. Mechanical process
C. Reproduction process
D. All are correct
Answer» E.
3.

A coulter attachment is used with

A. Disc harrow
B. Seed drill
C. MB plough
D. Subsoiler
Answer» D. Subsoiler
4.

For sowing of wheat seed, a suitable metering mechanism is

A. Cup feed
B. Cell feed
C. Fluted roller
D. Brush feed
Answer» D. Brush feed
5.

The main drawback of thermo syphon cooling is that

A. Cooling depends on only temperature and independent of engine
B. Cooling depends on engine speed and independent of temperature
C. Both (a) & (b)
D. None of these
Answer» B. Cooling depends on engine speed and independent of temperature
6.

Main function of fuel injection system is

A. To measure the correct amount of fuel as required by engine speed and load
B. To maintain correct timing for beginning and end of injection
C. To atomize the fuel in the cylinder
D. All are correct
Answer» E.
7.

All speed governors is directly connected with

A. Accelerator pedal
B. Pump control rack
C. Both (a) & (b)
D. None of these
Answer» D. None of these
8.

Parboiled rice is inferior in

A. Starch
B. Protein
C. Fat
D. Mineral
Answer» C. Fat
9.

The number of holes per square inch in a 20-mesh screen will be

A. 20
B. 400
C. 800
D. 1600
Answer» C. 800
10.

Biogas can be used to operate

A. SI engine
B. CI engine
C. Both SI and CI engine
D. Not possible to operate engine
Answer» D. Not possible to operate engine
11.

A bullock-drawn mower, the power transmitted to the axle is through

A. Transport wheel
B. Star wheel
C. Gauge wheel
D. All are correct
Answer» B. Star wheel
12.

Single disc or single plate type clutch is

A. Dry type
B. Wet type
C. Both (a) & (b)
D. None of these
Answer» B. Wet type
13.

The purpose of governor in the engine

A. To increase the engine speed
B. To regulate the engine speed
C. To decrease the engine speed
D. None of these
Answer» C. To decrease the engine speed
14.

The variation in viscosity of oil with change in temperature is measured by

A. High viscosity number
B. Viscosity index
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
15.

A clutch used in power tiller is

A. Single disk clutch
B. Double disk clutch
C. Dog clutch
D. Dual plate clutch
Answer» D. Dual plate clutch
16.

The energy wind is converted into

A. Chemical energy
B. Mechanical energy
C. Electrical energy
D. Biomass energy
Answer» C. Electrical energy
17.

The L-shaped blade of rotary tillers are used for seed bed preparation in

A. Hard and sticky soil
B. Stony and trashy soil
C. Trashy and sandy soil
D. None of these
Answer» B. Stony and trashy soil
18.

The main shaft of an engine is also called

A. Output shaft
B. Input shaft
C. Lay shaft
D. Counter shaft
Answer» C. Lay shaft
19.

An instrument used to measure soil compaction is

A. Hydrometer
B. Cone penetrometer
C. Tachometer
D. Hygrometer
Answer» C. Tachometer
20.

The bearing used on disc harrows are subjected to

A. Heavy radial load
B. Thrust load
C. Both (a) & (b)
D. None of these
Answer» D. None of these
21.

Pitman arm is part of

A. Gear system
B. Hitch system
C. Brake system
D. Steering system
Answer» E.
22.

A mower with rotating helical blades used for cutting is

A. Cylinder mower
B. Reciprocating mower
C. Horizontal mower
D. Flail mower
Answer» B. Reciprocating mower
23.

The method for estimating power required for crushing and grinding operation is given by

A. Chung fast
B. Kick
C. Henderson
D. Bond
Answer» E.
24.

Size reduction of fruits and vegetables are mostly performed by

A. Crushing
B. Shearing
C. Cutting
D. Squeezing
Answer» D. Squeezing
25.

In batch type dryer the minimum airflow rate required for drying per cubic metre of paddy is

A. 2-3 cu m/min
B. 3-4 cu m/min
C. 4-5 cu m/min
D. 4-6 cu m/min
Answer» C. 4-5 cu m/min
26.

The application rate of dusters is

A. Less than 10 kg/ha
B. 10-15 kg/ha
C. 20-25 kh/ha
D. 30-40 kg/ha
Answer» C. 20-25 kh/ha
27.

An aquifer is a permeable bed only partly filled with water and overlying a relatively impervious layer is

A. Pheratic aquifer
B. Water-table aquifer
C. None artesian aquifer
D. All of these
Answer» E.
28.

A tractor mounted on rotary tillers are used for

A. Seed bed preparation
B. Puddling
C. Both (a) & (b)
D. None of these
Answer» D. None of these
29.

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» C. Engine speed
30.

Shedding and shattering losses of grain in the field can be considerably reduced by harvesting paddy at moisture content of

A. 14-16%
B. 16-18%
C. 18-23%
D. 23-25%
Answer» E.
31.

Glucose is added to the rice with water solution in the ratio of

A. 1;1
B. 1;2
C. 1;3
D. 1;4
Answer» B. 1;2
32.

In most tractor engines, a cooling systems used is

A. Splash cooling
B. Pressure cooling
C. Gravity feed type cooling
D. All are correct
Answer» C. Gravity feed type cooling
33.

USLE is used for predicting

A. Cropping system
B. Farm planning
C. Erosion potential
D. All are correct
Answer» E.
34.

Per hectare application rate of low volume sprayer is

A. 5-100 litres
B. 5-200
C. 5-300 litres
D. 5-400 litres
Answer» E.
35.

In biogas plants, the depth of digester varies from

A. 2-4 metre
B. 3-6 metres
C. 4-8 metres
D. 5-10 metres
Answer» C. 4-8 metres
36.

Which is the recording type of rain gauge?

A. Tipping bucket type
B. Weighing bucket
C. Natural siphon type
D. All are correct
Answer» E.
37.

The average infiltration rate is called

A. Infiltration capacity
B. Infiltration index
C. Both (a) and (b)
D. None of these
Answer» C. Both (a) and (b)
38.

The power required to run the engine at any given speed without production of useful work is called

A. Drawbar power
B. Indicated horsepower
C. PTO horsepower
D. Friction power
Answer» E.
39.

The firing order of eight-cylinder engine is

A. 1 ? 5 ? 4 ? 2 ? 6 ? 3 ? 7 ? 8
B. 1?2?6?3?4?7?5?8
C. 1?5?3?4?2?7?8
D. 1?2?4?6?7?3?5?8
Answer» B. 1?2?6?3?4?7?5?8
40.

No till system reduces runoff by

A. 25%
B. 50%
C. 7%
D. 90%
Answer» E.
41.

Stubble mulching is associated with

A. Water erosion
B. Wind erosion
C. Glacial erosion
D. None of these
Answer» C. Glacial erosion
42.

The efficiency of IC engines varies from

A. 25 to 32 per cent
B. 30 to 40 per cent
C. 35 to 40 per cent
D. 32 to 38 per cent
Answer» D. 32 to 38 per cent
43.

The downward movement of water through saturated or nearly saturated soil is response to force of gravity is

A. Infiltration
B. Percolation
C. Seepage
D. Inter flow
Answer» C. Seepage
44.

Toe-in and toe-out are related to

A. Front axle of tractor
B. Rear axle of tractor
C. Tractor steering
D. Transmission system
Answer» B. Rear axle of tractor
45.

Tidal energy is the

A. Renewable energy
B. Non-renewable energy
C. Exhaustible
D. None of these
Answer» B. Non-renewable energy
46.

Engine is a device, which converts

A. Chemical energy into mechanical
B. Mechanical energy into chemical
C. Chemical energy into electrical energy
D. Mechanical energy into electrical
Answer» B. Mechanical energy into chemical
47.

Centre of resistance of plough lie at a distance of

A. 1/3rd size of plough from share wing
B. 3/4rd size of plough from share wing
C. 1/2 size of plough from share wing
D. All fire correct
Answer» C. 1/2 size of plough from share wing
48.

The combine harvester is a machine designed for

A. Harvesting crop
B. Threshing of harvested crop
C. Separation and cleaning of harvested crop
D. All are correct
Answer» E.
49.

The two-stroke engine is

A. Diesel engine
B. Steam engine
C. Petrol engine
D. None of these
Answer» D. None of these
50.

The ratio of the speed at the tip of rotor to the wind speed is called

A. Wind speed ratio
B. Rotor speed ratio
C. Tip speed ratio
D. All are correct
Answer» D. All are correct