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.

An accumulator also serves as

A. Shock absorber
B. Pump
C. Both (a) & (b)
D. None of these
Answer» B. Pump
2.

Vibration is measured by

A. Accelerometer
B. Tachometer
C. Tensiometer
D. None of these
Answer» B. Tachometer
3.

A cipoletti weir has a breadth of 60 cm at its crest and head of water flowing over the crest is 30 cm, the discharge of weir will be

A. 180 lit/sec
B. 180 lit/min
C. 186 lit/sec
D. 183 lit/min
Answer» D. 183 lit/min
4.

The compression rings mounted on piston are generally made of

A. Low carbon steel
B. Aluminum
C. High carbon steel
D. Chromium
Answer» E.
5.

The dibbling is mostly used for sowing

A. Cereal grains
B. Vegetables
C. Plantation crop
D. All are correct
Answer» C. Plantation crop
6.

A MB plough that throws furrow slice on one side to the direction of travel is

A. One-way plough
B. Two-way plough
C. Turn wrest plough
D. Irreversible plough
Answer» B. Two-way plough
7.

The steam engine is

A. Single stroke engine
B. Two stroke engine
C. Four-stroke engine
D. None of these
Answer» B. Two stroke engine
8.

Natural airflow takes place in the dryer due to variation in

A. Air moisture
B. Air temperature
C. Air-pressure
D. Volume of air
Answer» E.
9.

The main function of sprayer is

A. To break the liquid into droplet of effective size
B. To distribute the droplet in uniformly over the plant
C. To regulate the amount of liquid to avoid excessive application
D. All are correct
Answer» E.
10.

Most of diesel startingh motors are equipped with an

A. Overrunning clutch
B. Dog Clutch
C. Both (a) & (b)
D. None of these
Answer» B. Dog Clutch
11.

A device for regulating the fuel supply in main jet of carburetor is

A. Choke
B. Throttle
C. Economizer
D. All are correct
Answer» D. All are correct
12.

Thermal conductivity of bulk grain varies from

A. 0.10-0.15 Kcal/mhr/?C
B. 0.15-0.20 Kcal/mhr/?C
C. 0.20-0.25 Kcal/mhr/?C
D. 0.25-0.30 Kcal/mhr/?C
Answer» B. 0.15-0.20 Kcal/mhr/?C
13.

The process of removing husk and bran of the paddy in one: operation is called

A. Hulling
B. Shelling
C. Milling
D. All are correct
Answer» B. Shelling
14.

Speed reduction ratio of final drive ranges from

A. 3 to 5:1
B. 2 to 4:1
C. 3 to 6:1
D. 2 to 5:1
Answer» B. 2 to 4:1
15.

Threshold wind velocity is directly proportional to

A. Soil particles diameter
B. Square root of particles diameter
C. Height from ground surface
D. None of these
Answer» C. Height from ground surface
16.

A sack dryer is suitable for drying

A. Small quantity of grain
B. Large quantity of grain
C. Any quantity of grain
D. None of these
Answer» B. Large quantity of grain
17.

A function of drawbar in tractors is to

A. Lift the load
B. Hitch the implement
C. Both pull load
D. All are correct
Answer» C. Both pull load
18.

An animal drawn reaper is designed to harvest the crop up to a height of

A. 3-5 cm
B. 5-8 cm
C. 6-10 cm
D. 10-15 cm
Answer» C. 6-10 cm
19.

The fan of radiator is driven with the help of

A. V-belt
B. Flat belt
C. Chain sprocket
D. Gear
Answer» B. Flat belt
20.

Centrifugal governor is common in

A. Tractor engine
B. Stationary engine
C. Both (a) & (b)
D. None of these
Answer» D. None of these
21.

Renewable energy is mainly obtained by

A. Sun
B. Biomass and biogas
C. Wind
D. All are correct
Answer» E.
22.

The part of MB plough to which the plough bottom and handle attached is

A. Beam
B. Standard
C. Frog
D. All are correct
Answer» C. Frog
23.

A seed metering mechanism has double faced wheel, one face has a larger opening for larger seeds and other face has smaller opening for smaler seeds is

A. Cell feed
B. Internal double run
C. Cup feed type
D. All are correct
Answer» C. Cup feed type
24.

The equipment used for dropping seeds in a continuous stream and the spacing between plant to plant in a row is not constant is

A. Seed drill
B. Planter
C. Transplanter
D. All are correct
Answer» B. Planter
25.

Seed drills are suitable for maintaining distance between

A. Seeds
B. Rows
C. Both seeds and rows
D. None of these
Answer» C. Both seeds and rows
26.

The tillage practice is desirable in the areas of having hard or compacted layers below the plough depth is

A. Minimum tillage
B. Conservation tillage
C. Sub soiling
D. None of these
Answer» D. None of these
27.

Gobar gas plant is a

A. Solar plant
B. Biogas plant
C. Nuclear power plant
D. None of these
Answer» C. Nuclear power plant
28.

Main constitute is

A. Methane
B. Ethane
C. Butane
D. Carbon dioxide
Answer» B. Ethane
29.

After pre-treatment (pulse with oil) the pulses are kept on floors for oil diffusion for about

A. 6 hours
B. 8 hours
C. 12 hours
D. 16 hours
Answer» D. 16 hours
30.

The science which deal with the measurement of flow is known as

A. Hydro-meteorology
B. Hydrometry
C. Hypsometry
D. None of these
Answer» C. Hypsometry
31.

Grease is semi-fluid lubricant used for

A. Slow moving parts
B. Not easily accessible part
C. Both (a) & (b)
D. None of these
Answer» D. None of these
32.

Dbhp of tractor indicates

A. Power on flywheel
B. Power on drawbar
C. Power on PTO
D. None of these
Answer» C. Power on PTO
33.

The rate of evaporation is dependent on

A. Vapour pressure at the water surface and air above
B. Air and water temperature and wind speed
C. Atmospheric pressure and quality of water
D. All are correct
Answer» E.
34.

Viscosity of lubrication oil is measured by

A. Hygrometer
B. Thermometer
C. Viscometer
D. All are correct
Answer» D. All are correct
35.

A tank capacity of knapsack sprayer is about

A. 5-10 litres
B. 8-10 litres
C. 9-22.5 litres
D. 10-25.5 litres
Answer» D. 10-25.5 litres
36.

Brake horsepower of an engine can be measured by

A. Spring dynamometer
B. Brake dynamometer
C. Strain gauge dynamometer
D. All are correct
Answer» C. Strain gauge dynamometer
37.

A fuel has higher octone number its ignition quality of fuel will be

A. Poor
B. Better
C. Not affected
D. All are correct
Answer» C. Not affected
38.

Camshaft controls

A. Valve opening
B. Valve closing
C. Both (a) & (b)
D. All are correct
Answer» D. All are correct
39.

A power stroke in single syliner 4-stroke engine occurs at

A. 720? of crankshaft rotation
B. 360? of crankshaft rotation
C. 180? of crankshaft rotation
D. 120? of crankshaft rotation
Answer» B. 360? of crankshaft rotation
40.

If stroke: bore ratio of an engine increase, the thermal efficiency

A. Increase
B. Decrease
C. Remains same
D. None of these
Answer» B. Decrease
41.

The useful life of walking type ploughs may take about

A. 1000 hrs
B. 1500 hrs
C. 2000 hrs
D. 2500 hrs
Answer» C. 2000 hrs
42.

A device used for manual harvesting of crops

A. Sickle
B. Reaper
C. Mower
D. Combine
Answer» B. Reaper
43.

The output of an alternator is controlled by

A. Current regulator
B. Voltage regulator
C. Cutout device
D. All are correct
Answer» B. Voltage regulator
44.

Two-way plough is advantageously working in

A. Levelled field
B. Contour field
C. Undulated field
D. None of these
Answer» C. Undulated field
45.

The forces acting on MB plough are

A. Plastic
B. Parasitic
C. Elastic
D. None of these
Answer» C. Elastic
46.

In water-cooled engines, water pump is connected with

A. Radiator
B. Flywheel
C. Fins
D. Combustion chamber
Answer» B. Flywheel
47.

The purpose of governor is

A. To maintain the constant speed of engine at different loads
B. To protect the engine and attached equipment against high speed
C. Both (a) & (b)
D. None of these
Answer» D. None of these
48.

A moisture content of threshed paddy which is sun dried on floor is upto

A. 8-10%
B. 10-11%
C. 13-14%
D. 15-16%
Answer» D. 15-16%
49.

The KVIC biogas is

A. Fixed type
B. Floating
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
50.

A 3.6 to 4.5 kg dust is enough for dusting of

A. 0.2-0.4 ha
B. 0.4-0.6 ha
C. 0.5-0.7 ha
D. 0.0-0.8 ha
Answer» C. 0.5-0.7 ha