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.

Safe moisture content of paddy (wb) for storage over one year is

A. 8 per cent
B. 10 per cent
C. 12 per cent
D. 14 per cent
Answer» D. 14 per cent
2.

A period in days for which water applied to a crop is

A. Duty
B. Delta
C. Base
D. None of these
Answer» D. None of these
3.

The diameter of seed tube for different seeds should be

A. 10 mm
B. 20 mm
C. 25 mm
D. 30 mm
Answer» C. 25 mm
4.

In semi-confined aquifer with prompt yield, the pheratic level is lowered when

A. Simultaneously lowered with piezometric level
B. Simultaneously increased with piezometric level
C. No change in piezometric level
D. None of these
Answer» B. Simultaneously increased with piezometric level
5.

The cross sectional area of one cylinder of an engine multiplied by its stroke is

A. Clearance volume
B. Combustion volume
C. Swept volume
D. Piston volume
Answer» D. Piston volume
6.

For seed production, maximum grain temperature usually recommended is

A. 38?C
B. 40?C
C. 43?C
D. 50?C
Answer» D. 50?C
7.

The harvesting of wheat, barley and grams are mostly done under

A. Immature condition
B. Mature condition
C. Over mature condition
D. Dry condition
Answer» D. Dry condition
8.

A perched water-table is a special case of

A. Artesian aquifer
B. Non-artesian aquifer
C. Confined aquifer
D. Non-confined aquifer
Answer» D. Non-confined aquifer
9.

The air fuel ratio of petrol engine is

A. 10;1
B. 15;1
C. 20;1
D. None of these
Answer» C. 20;1
10.

In proper seat suspension design, the transmissibility should be

A. Less than unity
B. More than unity
C. Less than 2
D. More than 2
Answer» B. More than unity
11.

Droplet size of ultra low volume sprayer varies from

A. 25-50 micron
B. 35-70 micron
C. 35-100 micron
D. 40-120 micron
Answer» D. 40-120 micron
12.

The conventional animal drawn mower has a stroke length of

A. 5 cm
B. 7.5 cm
C. 10 cm
D. 12 cm
Answer» C. 10 cm
13.

In diesel cycle engines air enters in the cylinder through the

A. Inlet port
B. Intake value
C. Injector
D. Nozzles
Answer» C. Injector
14.

Turning radius is affected by

A. Centre of gravity
B. Wheel base
C. Both (a) & (b)
D. None of these
Answer» D. None of these
15.

The size of hole of single hole nozzle is usually larger than

A. 0.1 mm
B. 0.2 mm
C. 0.3 mm
D. 0.4 mm
Answer» C. 0.3 mm
16.

Air-cooled engine has

A. Radiator
B. Water jacket
C. Fins
D. None of these
Answer» D. None of these
17.

Heat obtained to BHP of total heat is about

A. 20 per cent
B. 26 per cent
C. 32 per cent
D. 38 per cent
Answer» C. 32 per cent
18.

The storage capacity of mud kothi is

A. 1 to 20 tonnes
B. 1 to 30 tonnes
C. 1 to 40 tonnes
D. 1 to 50 tonnes
Answer» E.
19.

Mould board plough works on the principle of

A. Suction
B. Scouring
C. Sliding
D. None of these
Answer» B. Scouring
20.

Lysimeter is used to measure

A. Evaporation
B. Evapotranspiration
C. Atmospheric pressure
D. None of these
Answer» C. Atmospheric pressure
21.

The total number of rings on piston may vary from

A. 2 ? 4
B. 3 ? 5
C. 3 ? 7
D. 2 ? 7
Answer» D. 2 ? 7
22.

The furrow planting of crops are widely used in

A. Heavy rainfall conditions
B. Arid conditions
C. Semi-arid conditions
D. None of these
Answer» D. None of these
23.

The conservation of moisture is not possible when working with

A. Chisel plough
B. Sub surface
C. MB plough
D. None of these
Answer» D. None of these
24.

The size of combine is determined by

A. Overall dimensions
B. Width of harvest
C. Weight of machine
D. None of these
Answer» C. Weight of machine
25.

The law applicable in size reduction of fine powder is

A. Bond's law
B. Kink's law
C. Rittinger's law
D. None of these
Answer» D. None of these
26.

The vaporizing temperature of petrol fuel is

A. Higher than diesel fuel
B. Lower than diesel fuel
C. Equal to diesel fuel
D. None of these
Answer» D. None of these
27.

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» C. 1.0-1.5 hp
28.

The specific gravity of light diesel oil is

A. 0.82
B. 0.85
C. 0.92
D. 0.95
Answer» D. 0.95
29.

A machine used for cutting of cereal crop

A. Reaper
B. Combines
C. Mower
D. Windrower
Answer» B. Combines
30.

Internal combustion engine was invented by

A. Hudson
B. Rudolf Diesel
C. James Watt
D. Nicolas Otto
Answer» E.
31.

The upper safe noise level is

A. 80 dB
B. 85 dB
C. 90 dB
D. 92 dB
Answer» C. 90 dB
32.

Percentage of protein in pulse by weight is

A. 10-15%
B. 15-20%
C. 17-25%
D. 20-28%
Answer» D. 20-28%
33.

Surface sealing problem is less on

A. Steep slope
B. Flate land
C. Vegetated surface
D. Both (a) & (c)
Answer» E.
34.

The square engine has

A. Cylinder of square section
B. Combustion chamber of square section
C. Equal bore and stroke
D. Piston of square section
Answer» D. Piston of square section
35.

The difference between static water level and pumping water level is known as

A. Drawdown
B. Well yield
C. Specfic capacity
D. All are correct
Answer» B. Well yield
36.

Weight transfer in tractor is affected by

A. Hitch height
B. Wheel base
C. Centre of gravity
D. All are correct
Answer» D. All are correct
37.

The upper strata of the earth where the openings are partially filled with water is

A. Zone of fracture
B. Zone of aeration
C. Zone of saturation
D. None of these
Answer» C. Zone of saturation
38.

Solid injection system has

A. Pressurizing unit
B. Atomizing unit
C. Both (a) & (b)
D. None of these
Answer» D. None of these
39.

The economically smallest size of gobar gas plant is

A. 30 cubic ft
B. 50 cubic ft
C. 60 cubic ft
D. 70 cubic ft
Answer» E.
40.

Drawbar pull is measured by the

A. Prony brake dynamometer
B. Brake dynamometer
C. Hydraulic dynamometer
D. All are correct
Answer» D. All are correct
41.

The energy removed by cooling is about

A. 10 per cent
B. 20 per cent
C. 30 per cent
D. 40 per cent
Answer» D. 40 per cent
42.

The temperature at which fuel flow ceases is

A. Pour point
B. Flash point
C. Cloud point
D. Smoke point
Answer» B. Flash point
43.

In dry milling the percentage of pulse dehusked in one pass or single operation is

A. 40%
B. 50%
C. 60%
D. 70%
Answer» C. 60%
44.

The type of starting aid generally used in the diesel power tiller is called

A. Decompression lever
B. Hot plug
C. Cold plug
D. Choke
Answer» B. Hot plug
45.

For every 100 metre below ground level the temperature of rock increase about

A. 2?C
B. 3?C
C. 4?C
D. 5?C
Answer» C. 4?C
46.

In a seed metering mechanism, only one seed is allowed at a time is

A. Flat drop
B. Hill drop
C. Edge drop
D. None of these
Answer» B. Hill drop
47.

A MB plough that throws furrows slice to both the direction of travel is

A. One-way plough
B. Irreversible plough
C. Reversible plough
D. All are correct
Answer» D. All are correct
48.

A vertical plate that is used to control depth and adjust line of pull in plough is

A. Vertical suction
B. Vertical clevis
C. Horizontal suction
D. Horizontal clevis
Answer» C. Horizontal suction
49.

The temperature inside the solar cooker ranges from

A. 40-80?C
B. 50-100?C
C. 100-140?C
D. 110-180?C
Answer» D. 110-180?C
50.

The compression ratio of diesel engine is

A. 4 to 8:1
B. 14 to 20:1
C. 4 to 1:1
D. 14 to 22:1
Answer» C. 4 to 1:1