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.

Flate plate collector is generally used for

A. Room heating
B. Water heating
C. Lighting
D. All are correct
Answer» B. Water heating
2.

Lubricant used in gearbox is

A. SAE 30
B. SAE 40
C. SAE 90
D. None of these
Answer» D. None of these
3.

Heat required to evaporate one kg of water from grain is

A. 450 Kcal
B. 500 Kcal
C. 600 Kcal
D. 656 Kcal
Answer» C. 600 Kcal
4.

The extra high speed engines used in knapsack sprayers are powered by

A. Kerosene
B. Diesel
C. Petrol
D. Dual fuel
Answer» D. Dual fuel
5.

A metal with lowest melting point is

A. Aluminium
B. Copper
C. High carbon steel
D. Nickel
Answer» B. Copper
6.

The temperature at which vapour flashes momentarily is

A. Pour point
B. Flash point
C. Fire point
D. All are correct
Answer» C. Fire point
7.

Pressure of hand=operated sprayers varies from

A. 1-5 Kg/cm2
B. 1-6 Kg/cm2
C. 1-7 Kg/cm2
D. 1-8 Kg/cm2
Answer» D. 1-8 Kg/cm2
8.

An improper registration of reaper results in

A. Uneven harvesting
B. Excessive clogging of crop
C. Unbalance load
D. All are correct
Answer» E.
9.

The percentage of total quantity of water in the world that is saline is

A. 67
B. 75
C. 88
D. 97
Answer» E.
10.

The percentage of carbon in cast iron is

A. 0.5 to 1.0%
B. 1.5 to 2.0%
C. 2.0 to 2.5%
D. 2.5 to 4.5%
Answer» E.
11.

Power operated sprayers are suitable for

A. Small holdings
B. Large holdings
C. Medium holdings
D. None of these
Answer» C. Medium holdings
12.

Solar pond is used to

A. Collect and store the solar energy
B. Reflect the solar energy
C. Divert solar energy
D. None of these
Answer» B. Reflect the solar energy
13.

The metering mechanism suitable for metering small and large seeds is

A. Fluted roller
B. Cup feed type
C. Cell feed type
D. Internal double run type
Answer» E.
14.

Optimum engine temperature is about

A. 50?C
B. 62?C
C. 72?C
D. 82?C
Answer» E.
15.

Ballasting in rear tyre of tractor is done for

A. Increasing traction
B. Reducing tractor vibration
C. Increasing weight of tractor
D. Prevent overturning of tractor
Answer» B. Reducing tractor vibration
16.

In the bar point share, the bar serves as

A. Share only
B. Landside only
C. Share and landside
D. None of these
Answer» D. None of these
17.

The hitching of plough is done by placing the plough

A. Few centimeters below ground level
B. On the ground level
C. Few centimeters above ground level
D. None of these
Answer» B. On the ground level
18.

The grade of oil used in winter season is

A. SAE 30
B. SAE 90
C. SAE 110
D. All are correct
Answer» B. SAE 90
19.

Pressure plate is an essential part of

A. Transmission system
B. Clutch
C. Gear reduction
D. None of these
Answer» C. Gear reduction
20.

The stroke bore ratio of tractor engines varies from

A. 1.0 to 1.5
B. 1.0 to 1.25
C. 1.0 to 1.35
D. 1.0 to 1.45
Answer» E.
21.

The optimum C:N ratio for maximum microbiological activities is

A. 10;1
B. 15;1
C. 25;1
D. 30;1
Answer» E.
22.

The amount of heat in kilocalorie the must be added to or removed from one kg of substances to change its temperature by one degree is

A. Latent heat
B. Specific heat
C. Enthalpy
D. Entropy
Answer» C. Enthalpy
23.

V-shaped gullies are developed when

A. Now velocity is high but runoff volume per unit time is less
B. Now velocity is less but runoff volume is more
C. Flow velocity is less
D. Runoff volume is more
Answer» B. Now velocity is less but runoff volume is more
24.

Bench terraces are constructed at slope gradient of

A. 5 to 10%
B. 10 to 20%
C. Less than 5%
D. All are correct
Answer» C. Less than 5%
25.

Threshing in rotating drum cylinder is due to

A. Stripping
B. Tearing
C. Impact
D. Rubbing
Answer» D. Rubbing
26.

In flail type mower, cutting section has

A. Fixed knives
B. Swinging knives
C. Reciprocating knives
D. Rotating knives
Answer» C. Reciprocating knives
27.

The horizontal suction of MB plough is

A. 5 mm
B. 3 cm
C. 5 cm
D. Above 5 cm
Answer» B. 3 cm
28.

The particle size of silt according to USWA is

A. >0.002 mm
B. <0.002 mm
C. 0.002 to 0.05 mm
D. 0.25 to 0.5 mm
Answer» D. 0.25 to 0.5 mm
29.

The size of seed drill expressed by

A. Length and width of machine
B. Area covered per unit time
C. Number of furrow opener x spacing between two furrow openers
D. All are correct
Answer» D. All are correct
30.

The speed variation of heavy belt drive is about

A. 15-20 m/s
B. 20-22 m/s
C. <22 m/s
D. >22 m/s
Answer» E.
31.

In dry milling process, the following operations are done prior to oil treatment is

A. Conditioning
B. Pitting
C. Polishing
D. Grading
Answer» C. Polishing
32.

In diesel engines, fuel injected in the cylinder is through

A. Carburetor
B. Fuel injection pump
C. Fuel injector
D. All are correct
Answer» D. All are correct
33.

Surface creep is carried out by the action of

A. Rolling and jumping
B. Rolling or sliding
C. Both (a) and (b)
D. None of these
Answer» C. Both (a) and (b)
34.

The sequence of gears and shafts through which the engine power transmitted to tractor wheel is called

A. Gear system
B. Transmission
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
35.

The work timing gear is to

A. Control the ignition timing
B. Control the fuel injection timing
C. Control the timing of opening and closing of valves
D. All are correct
Answer» E.
36.

The percentage of healthy grain obtained from all outlets with respect to healthy grains received from main outlet by weight is

A. Blower loss
B. Sieve loss
C. Cylinder
D. Visible loss
Answer» C. Cylinder
37.

The solar radiation received directly from the sun is

A. Beam radiation
B. Scattered radiation
C. Diffuse radiation
D. Reflected radiation
Answer» B. Scattered radiation
38.

Leakage factor is the property of

A. Confined aquifer
B. Semi-confined aquifer
C. Unconfined aquifer
D. All are correct
Answer» C. Unconfined aquifer
39.

The pressure of water in confined aquifer is

A. Above atmospheric pressure
B. At atmospheric pressure
C. Below atmospheric pressure
D. All are correct
Answer» B. At atmospheric pressure
40.

Volumetric efficiency of air-cooled engines in comparison to water-cooled engines is

A. Higher
B. Lower
C. Equal
D. None of these
Answer» C. Equal
41.

The mowers are designed to cut

A. Wheat
B. Paddy
C. Mustard
D. Grasses
Answer» B. Paddy
42.

A machine used to cut crops and deliver them in a uniform manner in a row is

A. Combine
B. Mower
C. Reaper binder
D. Windrower
Answer» E.
43.

In anaerobic digestion, biogas production by bacterial decomposition is

A. Presence of oxygen
B. Absence of oxygen
C. Presence of CO2
D. Absence of CO2
Answer» C. Presence of CO2
44.

The ratio of reel peripheral speed to forwards speed of combine is termed as

A. Reel velocity
B. Reel index
C. Reel diameter
D. Reel speed
Answer» C. Reel diameter
45.

The lines on a map through places having equal depth of evapotranspiration is called

A. Isohyets
B. Isobar
C. Isopleths
D. None of these
Answer» D. None of these
46.

Traction coefficient is maximum in a field when

A. It is dry
B. It is cultivated
C. It is irrigated
D. All are correct
Answer» B. It is cultivated
47.

The six-cylinder engine with possible number of firing orders is

A. 6
B. 4
C. 3
D. 2
Answer» C. 3
48.

Suitable lubricant for 2-stroke engines is

A. Crude petroleum lubricant
B. Vegetable lubricant
C. Mineral lubricant
D. None of these
Answer» D. None of these
49.

In the cylinder sorter, the inclination of cylinder for dry granular material is kept up to

A. 75 mm/mb
B. 100 mm/m
C. 125 mm/m
D. 150 mm/m
Answer» D. 150 mm/m
50.

When the soil moisture and rainfall are inadequate during the growing season to support healthy crop growth to maturity is called

A. Metrological drought
B. Hydrological drought
C. Agricultural drought
D. None of these
Answer» D. None of these