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 optimum value of reel index for minimum cutter bar loss is

A. 1 to 2
B. 1.25 to 1.5
C. 2 to 3
D. 2.25 to 3.5
Answer» C. 2 to 3
2.

A critical moisture content varies with

A. Rate of drying
B. Thickness of material
C. Both (a) and (b)
D. None of these
Answer» D. None of these
3.

Spur and helical gears transmit power between two

A. Parallel shafts
B. Parallel shafts with intersecting axis
C. Both (a) & (b)
D. None of these
Answer» B. Parallel shafts with intersecting axis
4.

Puddling is done to achieve

A. Soft soil bed
B. Non-leaching of water
C. Size reduction of clods
D. Conservation of moisture
Answer» C. Size reduction of clods
5.

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

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

In rasp-bar type cylinder, the bars varies from

A. 4?6
B. 6?8
C. 8?10
D. 10?12
Answer» C. 8?10
7.

Brake fluid used in hydraulic brake is a mixture of

A. Glycerin and alcohol
B. Alcohol and methane
C. Glycerin and methane
D. None of these
Answer» B. Alcohol and methane
8.

The firing interval of 4-stroke engine is determined by

A. 180?/No. of cylinder
B. 270?/No. of cylinder
C. 360?/No. of cylinder
D. 720?/No. of cylinder
Answer» E.
9.

Detonation refers to the

A. Engine knocking
B. Engine speed
C. Engine efficiency
D. All are correct
Answer» B. Engine speed
10.

The cutting platform of combine operated at height above ground is

A. 6.5-8 cm
B. 7.5-9 cm
C. 8.5-11 cm
D. 9.5-12 cm
Answer» C. 8.5-11 cm
11.

Primary winding of ignition coil consists of

A. Thin wire
B. Thick wire
C. Steel wire
D. All are correct
Answer» C. Steel wire
12.

The useful life of tractor is

A. 8,000 hours
B. 10,000 hours
C. 12,000 hours
D. 15,000 hours
Answer» C. 12,000 hours
13.

According to colling, the draft of MB plough due to furrow slice is

A. 34%
B. 48%
C. 68%
D. Above 68%
Answer» B. 48%
14.

Compression ratio of diesel engine is

A. 4;1
B. 6;1
C. 15;1
D. 25;1
Answer» B. 6;1
15.

Capacity of battery is expressed in tenns of

A. Amp power
B. Voltage
C. Amp-hour
D. None of these
Answer» D. None of these
16.

The velocity of flow in open channel is determined by

A. Darcy's formula
B. Manning's formula
C. Both (a) and (b)
D. None of these
Answer» B. Manning's formula
17.

A spring mass damper system vibrates with

A. 5 degree of freedom
B. 6 degree of freedom
C. 7 degree of freedom
D. 8 degree of freedom
Answer» C. 7 degree of freedom
18.

For sowing mustard seeds, the most suitable seed drill is

A. Plain seed drill
B. Pneumatic seed drill
C. Zero till drill
D. All are correct
Answer» C. Zero till drill
19.

In tractor engines, a commonly used thermostat valve is

A. Bimetallic type
B. Bellows types
C. Both (a) & (b)
D. None of these
Answer» D. None of these
20.

The total swept volume of all pistons during power strokes occurring in one minute is

A. Piston volume
B. Clearance volume
C. Displacement volume
D. None of these
Answer» D. None of these
21.

The width of cut of animal drawn reaper is

A. 500 mm
B. 600 mm
C. 800 mm
D. 900 mm
Answer» E.
22.

The wet process of biomass digestion involves

A. Pyrolysis and Gasification
B. Hydrogenation and liquefication
C. Liquenfication and pyrolysis
D. Anaerobic digestion and fermentation
Answer» E.
23.

The minimum soil manipulation is essential for crop production in

A. No tillage
B. Minimum tillage
C. Strip tillage
D. Reduced tillage
Answer» C. Strip tillage
24.

Generally tractor speed in the top gear varies from

A. 12-18 kmph
B. 12-25 kmph
C. 18-24 kmph
D. All are correct
Answer» D. All are correct
25.

The main function of potato digger elevator is

A. Digging of potatoes
B. Windrowing of potatoes
C. Both (a) & (b)
D. None of these
Answer» D. None of these
26.

PTO shaft drive taken from engine transmission the speed of PTO will be

A. Directly proportional to engine speed
B. Inversely proportional to engine speed
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
27.

The percentage of carbon in medium carbon varies from

A. 0.1 to 0.25%
B. 0.12 to 0.3 %
C. 0.25 to 0.5 %
D. 0.5 to 0.75 %
Answer» D. 0.5 to 0.75 %
28.

What the stroke: bore rati of an engine increases, the volumetric efficiency of the engine

A. Decreases
B. Increases
C. Remains unchanged
D. None of these
Answer» B. Increases
29.

Variation in engine speed at full load and no load is called

A. Pressure drop
B. Speed drop
C. Pressure hike
D. Speed hike
Answer» C. Pressure hike
30.

Farm tractor is

A. Prime mover
B. Traction engine
C. Both (a) & (b)
D. None of these
Answer» D. None of these
31.

Chute spillways are used at

A. Mild slope
B. Steep slope
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
32.

An open channel flow in which flow characteristic at any poi8nt do not change with

A. Steady flow
B. Unsteady flow
C. Uniform flow
D. Non-uniform flow
Answer» B. Unsteady flow
33.

Tractor mounted groundnut digger shaker is driven by

A. Tractor hydraulic
B. Belt pulley
C. Tractor PTO
D. None of these
Answer» D. None of these
34.

The size of cutter bar of tractor PTO operated combine is

A. 1.1 m
B. 1.5-2.5 m
C. 2.4 m
D. 4-6 m
Answer» C. 2.4 m
35.

A draft required to pull 4-botton 30 cm tractor plough working to a depth of 15 cm operated at speed of 6 Km/h. The soil resistance is 0.7 kg/cm2

A. 12.6 kg
B. 126 kg
C. 1260 kg
D. None of these
Answer» D. None of these
36.

Tractor front mounted reaper is operated at a forward speed of

A. 1.5 km/h
B. 2.0 km/h
C. 2.5 km/h
D. 3.0 km/h
Answer» E.
37.

Flow-duration curve is plot of

A. Discharge versus time in chronological order
B. Stream discharge against per cen of time the flow is equaled or exceeded
C. Accumulated flow versus time
D. None of these
Answer» C. Accumulated flow versus time
38.

The amount of heat required to raise the temperature of a given mass substance by unit is

A. Thermal conductivity
B. Specific heat
C. Heat capacity
D. None of these
Answer» D. None of these
39.

Flow mass curve is a plot of

A. Cumulative flow versus time
B. Cumulative discharge volume again t time in chronological order
C. Both (a) and (b)
D. None of these
Answer» C. Both (a) and (b)
40.

Ratio of mass density of substance at certain temperature to the mass density of water at same temperature is called

A. Specific gravity
B. Density
C. Specific weight
D. None of these
Answer» B. Density
41.

Mass density increases as

A. Pressure increase
B. Pressure decrease
C. Temperature increase
D. Temperature decreases
Answer» B. Pressure decrease
42.

In comparison to raw rice is parboiled rice rich in

A. Protein
B. Vitamin
C. Minerals
D. All are correct
Answer» E.
43.

Compared to raw rice, parboiled rice needs

A. Less polishing
B. More polishing
C. Doesn't need polishing
D. None of these
Answer» B. More polishing
44.

Cooking quality of rice is represented by

A. Time of cooking
B. Swelling capacity and expansion ratio
C. Gruel quality and pastiness
D. All are correct
Answer» E.
45.

A white shiny talc powder and glucose solution is added to the rice during

A. Polishing
B. Glazing
C. Whitening
D. Hulling
Answer» C. Whitening
46.

In comparison to raw rice bran, parboiled rice bran contains

A. Less starch and more oil
B. More starch and less oil
C. More starch and more oil
D. Less starch and less oil
Answer» B. More starch and less oil
47.

Rice yield can be increased with improved mechanical drying method by

A. 1%
B. 1.50%
C. 2%
D. 3%
Answer» D. 3%
48.

In case of parboiled rice, the average yield obtained from huller is

A. 58-60%
B. 62-64%
C. 64-68%
D. 68-70%
Answer» C. 64-68%
49.

Mineral lubricants are obtained from

A. Castor and cotton seed oil
B. Crude petroleum
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)
50.

Petroleum lubricants are less expensive and suitable for

A. Steam engines
B. IC engines
C. Both (a) & (b)
D. None of these
Answer» C. Both (a) & (b)