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 camshaft controls

A. Valve closing
B. Valve opening
C. Valve timing
D. All are correct
Answer» E.
2.

The gang angle of disc harrow is adjusted in the range of

A. 0-30?
B. 30-60?
C. 60-90?
D. Above 90?
Answer» B. 30-60?
3.

The increase in tilt angle of disc plough influences

A. Penetration of disc
B. Width of cut
C. Reduce penetration of disc
D. Reduce width of cut
Answer» B. Width of cut
4.

The mould board plough absorb side forces mainly through the

A. Share
B. Mould board
C. Land disc
D. Frog
Answer» D. Frog
5.

Heavy smoking in an engine during operation may be due to

A. Rich mixture
B. Overloading
C. Late injection
D. All are correct
Answer» E.
6.

A thresher causes more seed damage if

A. Speed is increased
B. Clearance increased
C. Speed is decreased
D. Feed rate is reduced
Answer» B. Clearance increased
7.

Medium size bullock can develop

A. 0.50 to 0.75 hp
B. 0.75 to 1.0 hp
C. 0.75 hp to 1.1 hp
D. 1.0 to 1.5 hp
Answer» B. 0.75 to 1.0 hp
8.

The mechanical efficiency of spray pumps ranges from

A. 50-60%
B. 50-70%
C. 50-80%
D. 50-90 %
Answer» E.
9.

The fan of radiator is driven by

A. Camshaft
B. Crankshaft
C. Flywheel
D. All are correct
Answer» B. Crankshaft
10.

Parboiling of paddy is done to

A. Achieve maximum recovery of head rice
B. Minimise the broken percentage
C. Reduce the milling losses
D. All are correct
Answer» E.
11.

Which of the biogas plant has digester tank and gasholder as combined unit?

A. Floating dome type
B. Fixed dome type
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
12.

Sun radiation temperature corresponding to black body temperature is at about

A. 3000 K more
B. 5000 K more
C. 6000 K more
D. 7000 K more
Answer» D. 7000 K more
13.

Secondary fuel filter is used to remove the particles of size

A. 1 Micron
B. 2 Micron
C. 3 Micron
D. 4 Micron
Answer» C. 3 Micron
14.

Contour trenching is performed to

A. Control the landslide from the hill face
B. Conserve the moisture
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
15.

The uneven furrow formation in disc ploughing is due to

A. Disc angle is not uniform
B. Loose bearing of disc
C. Hitching defects of disc plough
D. All are correct
Answer» E.
16.

Erosivity is the

A. Climatic aggressiveness
B. Soil aggressiveness
C. Both (a) and (b)
D. None of these
Answer» B. Soil aggressiveness
17.

The shape of furrow cut by MB plough is

A. V-shape
B. L-shape
C. W-shape
D. M-shape
Answer» C. W-shape
18.

A splined shaft used for taking off power from engine is

A. Final drive
B. Drawbar
C. Power takes off
D. Differential
Answer» D. Differential
19.

Centrifugal governor is also termed as

A. Maximum speed governor
B. Minimum speed governor
C. Both (a) & (b)
D. None of these
Answer» B. Minimum speed governor
20.

In disc harrow the angle made by the axis of the arbor bolt with the direction of travel is

A. Disc angle
B. Tilt angle
C. Gang angle
D. None of these
Answer» D. None of these
21.

Clutch and differential are part of

A. Injection system
B. Power transmission system
C. PTO drive
D. None of these
Answer» C. PTO drive
22.

Calorific value of natural gas ranges between

A. 10-15 Kj/kg
B. 20-30 Kj/kg
C. 33.50 KJ/kg
D. 50-75 KJ/kg
Answer» D. 50-75 KJ/kg
23.

Ballasting in front tyre of tractor is done for

A. Increasing traction
B. Decreasing load
C. Increasing stability
D. All are correct
Answer» D. All are correct
24.

Grassed waterways are used as

A. Diversion channels
B. Outlets
C. Inlet to terrace system
D. All are correct
Answer» C. Inlet to terrace system
25.

The un-damped natural frequency of seat suspension system with mzximum travel of 76 mm should be

A. 1.0 Hz
B. 1.5 Hz
C. 2.0 Hz
D. 1.5 Hz
Answer» C. 2.0 Hz
26.

The annual runoff from the catchments in cm is

A. 42
B. 45.4
C. 47.3
D. 110
Answer» C. 47.3
27.

Nozzle spacing in boom is governed by

A. Inclined
B. Axial horizontal
C. Axial vertical
D. All are correct
Answer» D. All are correct
28.

The common type of battery used in IC engines is

A. Dry battery
B. Lead acid battery
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
29.

Factor which affects the flood hydrograph, is

A. Shape of basin
B. Size of basin
C. Slope of basin
D. All are correct
Answer» E.
30.

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

A. Zone of fracture
B. Zone of aeration
C. Zone of saturation
D. None of these
Answer» D. None of these
31.

The water level stands in the well before pumping is

A. Static water level
B. Pumping water level
C. Piezometric level
D. Draw down
Answer» B. Pumping water level
32.

The maximum operating depth for disc harrow is about

A. One-half of the disc diameter
B. One -third of the disc diameter
C. One-fifth of the disc diameter
D. One-fourth of disc diameter
Answer» E.
33.

In a gyratory crusher, the speed of crushing head ranges from

A. 100-200 gyration/min
B. 125/425 gyration/min
C. 150-500 gyration/min
D. 175-650 gyration/min
Answer» C. 150-500 gyration/min
34.

In thermo siphon system, fan is operated by

A. Crankshaft
B. Camshaft
C. Flywheel
D. All are correct
Answer» B. Camshaft
35.

Rocker sprayer is used for spraying

A. Small crops
B. Tall crops
C. Godown and factories
D. All are correct
Answer» E.
36.

Spark occurs when

A. Points open
B. Points close
C. Both (a) & (b)
D. None of these
Answer» B. Points close
37.

Seed drill are used for sowing

A. Small seeds
B. Bolder seeds
C. Seedlings
D. Plants
Answer» B. Bolder seeds
38.

The disc used in Olpad thresher for threshing purpose is

A. Plane
B. Notched
C. Serrated
D. All are correct
Answer» C. Serrated
39.

In sun drying, the relative humidity (per day) of grain under favourable conditions is reduced by

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

Toe-in provide in tractor is approximately

A. 7 - 10 mm
B. 10 - 15 mm
C. 12 - 16 mm
D. 15 - 20 mm
Answer» B. 10 - 15 mm
41.

The carburetor employed on most of tractor engines is

A. Down draft
B. Middle draft
C. Updraft
D. None of these
Answer» D. None of these
42.

Of the following, which is the essential part of steering mechanism?

A. Tie rod
B. Steering wheel
C. Drag link
D. All are correct
Answer» E.
43.

Crankcase breather is used for

A. Cleaning the dust particles
B. See the level of oil
C. Removing water vapour from crankcase
D. All are correct
Answer» D. All are correct
44.

A sheet of water, which overflows a weir, is

A. Head
B. Nape
C. Both (a) and (b)
D. None of these
Answer» C. Both (a) and (b)
45.

The carburetor is main part of

A. Diesel engine
B. Steam engine
C. Petrol engine
D. Gas engine
Answer» D. Gas engine
46.

In individual pump system, fuel is delivered to injector at a high pressure of

A. 500-1000 Kpa
B. 1000-5000 Kpa
C. 5000-10000 Kpa
D. 10000-20000 Kpa
Answer» E.
47.

In an engine, the angle between the cylinder axes and the crankshaft centre line is

A. 60?
B. 90?
C. 180?
D. 120?
Answer» C. 180?
48.

In multi-blade rotor the number of blades varies from

A. 8?11
B. 10?16
C. 12?20
D. 14?26
Answer» D. 14?26
49.

Wind velocity varies with

A. Temperature
B. Density of air
C. Viscosity of air
D. All are correct
Answer» B. Density of air
50.

The position of seepage line is influenced by

A. Permeability of fill materials
B. Permeability of foundation materials
C. Both (a) and (b)
D. None of these
Answer» D. None of these
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