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 most accurate dynamometer is

A. Prony brake
B. Hydraulic type
C. Swinging field type
D. Eddy current type
Answer» D. Eddy current type
2.

Percentage of bran in paddy

A. 2.40%
B. 4.60%
C. 6.80%
D. 8.10%
Answer» C. 6.80%
3.

The process of removing husk and hull from the paddy grain is known as

A. Shelling
B. Milling
C. Husking
D. All are correct
Answer» E.
4.

In batch type dryer, the air temperature seldom exceeds

A. 35?C
B. 40?C
C. 45?C
D. 50?C
Answer» D. 50?C
5.

The method of ploughing in which the plough works round a strip of unploughed land is

A. Gathering
B. Casting
C. Head land
D. None of these
Answer» C. Head land
6.

Cyclone separator is used for separating the

A. Fine particles
B. Medium particles
C. Heavy particles
D. All are correct
Answer» B. Medium particles
7.

Shoulder bounds are provided to

A. Retain the runoff over benches
B. Provide stability to the outer edge of bench
C. Both (a) & (b)
D. None of these
Answer» D. None of these
8.

The Olpad thresher is mostly used for threshing

A. Paddy
B. Wheat
C. Oil seeds
D. All are correct
Answer» C. Oil seeds
9.

Soil erosion refers to the gross amount of

A. Soil loss
B. Sediment yield
C. Both (a) and (b)
D. None of these
Answer» B. Sediment yield
10.

The solar radiation receives from the sun after its direction has been changed is

A. Beam radiation
B. Diffuse radiation
C. Direct radiation
D. All are correct
Answer» C. Direct radiation
11.

The temperature in sun drying corresponding to black body is about

A. 3000?K
B. 4000?K
C. 5000?K
D. 6000?K
Answer» E.
12.

In power-operated sprayer, the pump works at a pressure of

A. 2-5 Kg/cm2
B. 3-8.5 Kg/cm2
C. 4-12 Kg/cm2
D. 5-15 Kg/cm2
Answer» C. 4-12 Kg/cm2
13.

For belt conveying of paddy, the most suitable trough angle is

A. 10?C
B. 15?C
C. 20?C
D. 25?C
Answer» D. 25?C
14.

Calorific value of biogas is

A. 450 Kcal/m3
B. 1000 Kcal/m3
C. 3000 Kcal/m3
D. 4500 Kcal/m3
Answer» E.
15.

The area covered by dry land weeder is

A. 0.1 ha/day
B. 0.2 ha/day
C. 0.3 ha/day
D. 0.4 ha/day
Answer» C. 0.3 ha/day
16.

Particles less than 0.1 mm diameter is moved by the action of

A. Suspension
B. Saltation
C. Surface creep
D. None of these
Answer» B. Saltation
17.

Chute spillways are constructed at

A. Gully head
B. Along the gully bed
C. Both (a) & (b)
D. None of these
Answer» B. Along the gully bed
18.

A type lubricator is used in steam engines is

A. Siphon type
B. Hydrostatic type
C. Mechanically operator lubricator
D. Both (b) & (c)
Answer» E.
19.

Starting motor is engaged with ring gear of engine with the help of

A. Bevel gear
B. Helical gear
C. Pinion gear
D. Sliding pinion gear
Answer» E.
20.

Losses in fruits and vegetables generally varies from

A. 1-10%
B. 10-30%
C. 30-40%
D. 40-50%
Answer» C. 30-40%
21.

In the reaper, whoe is provided with

A. One end of cutter bar
B. Each end of cutter bar
C. Middle of cutter bar
D. Each knife of cutter bar
Answer» C. Middle of cutter bar
22.

The belt speed for transportation of grams should not increase by

A. 3.5 m/s
B. 4.5 m/s
C. 5.0 m/s
D. 6.5 m/s
Answer» B. 4.5 m/s
23.

Biogas is used for

A. Cooking food
B. Operating engine
C. Burning gas stove
D. All are correct
Answer» E.
24.

A primary winding wire has resistance of

A. One ohm
B. Two ohms
C. Three ohms
D. Four ohms
Answer» D. Four ohms
25.

Vapour lock is associated with

A. Ignition system
B. Cooling system
C. Fuel supply system
D. Ignition system
Answer» D. Ignition system
26.

The piston speed of an engine is equal to

A. 2 LN
B. ALN
C. 4 LN
D. None of these
Answer» B. ALN
27.

The condition of soil that determines the optimum condition for tillage is

A. Plastic
B. Hard
C. Crumbly
D. Cemented
Answer» D. Cemented
28.

The centre of plough load in a single bottom plough is

A. 7.5 cm to left of shin
B. At the shin
C. 7.5 cm to right of shin
D. None of these
Answer» D. None of these
29.

The main purpose of piston rings is

A. To control combustion pressure
B. To control cylinder wall librication
C. To drain out excessive oil
D. All are correct
Answer» E.
30.

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» D. All are correct
31.

Critical diameter of clod takes place in the wind erosion is

A. 0.50 mm
B. 0.84 mm
C. 0.10 mm
D. 100 mm
Answer» C. 0.10 mm
32.

Cleaning of material is done by

A. Washing
B. Screening
C. Handpicking
D. All are correct
Answer» E.
33.

In petrol engines thermostat valve fully opens at

A. 72?C
B. 78?C
C. 82?C
D. 85?C
Answer» D. 85?C
34.

In disc harrow, the penetration of disc improves by

A. Increasing disc angle
B. Lowering hitch point
C. Regulating optimum speed
D. All are correct
Answer» E.
35.

A latitude for wave energy in both Northern and Southern Hemispheres is between

A. 10 and 20?
B. 20 and 30?
C. 30% and 50?
D. 40 and 60?
Answer» E.
36.

Rational formula is only appicable to small size catchments which has an area

A. Less than 50 km2
B. More than 50 km2
C. Less than 5000 km2
D. More than 5000 km2
Answer» B. More than 50 km2
37.

The discs mounted on Olpad thresher for threshing are

A. 10
B. 15
C. 20
D. 25
Answer» D. 25
38.

A container of battery is made of

A. Steel
B. Cast iron
C. Rubber
D. Plastic
Answer» D. Plastic
39.

Todal power is dissipated by

A. Friction
B. Eddies current
C. Both (a) & (b)
D. None of these
Answer» D. None of these
40.

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» B. Coulter, jointer and frog
41.

The syndicator type thresher is termed as

A. Hammer mill type thresher
B. Rasp bar type thresher
C. Chaff cylinder type thresher
D. All are correct
Answer» E.
42.

Natural air-drying needs dehumidification if the atmospheric humidity exceeds

A. 30%
B. 50%
C. 70%
D. 80%
Answer» D. 80%
43.

Specific gravity separator works on the principle of

A. Characteristics of grain to flow down over an inclined surface
B. Flotation of the particles due to upward movement of air
C. Both (a) and (b)
D. None of these
Answer» D. None of these
44.

The shape of perforated deck used in specific gravity separator is

A. Triangular
B. Rectangulr
C. Circular
D. Hexagonal
Answer» B. Rectangulr
45.

Heavy draft of a disc harrow is due to

A. Blunt disc
B. Furrow too wide
C. Loose bearing
D. All are correct
Answer» E.
46.

The complete path of power from engine to wheel is called

A. Power system
B. Power train
C. Gear unit
D. All are correct
Answer» C. Gear unit
47.

To convert the point of rainfall value at various stations into an average value over a catchment area is possible by

A. Arithmetical-mean method
B. Thiessen-polygon methon
C. Isohyetal method
D. All are correct
Answer» E.
48.

In precision planting, the height of seed drop should be

A. Close to ground
B. At least 50 cm from ground
C. More than 50 cm from ground
D. None of these
Answer» B. At least 50 cm from ground
49.

In a tractor centre of gravity is located at

A. 1/3 of wheelbase ahead of rear axle
B. 2/3 of wheelbase ahead of rear axle
C. 1/4 of wheelbase ahead of rear axle
D. All are correct
Answer» B. 2/3 of wheelbase ahead of rear axle
50.

Battery consists of

A. Positive plate
B. Negative plate
C. Both (a) & (b)
D. None of these
Answer» D. None of these