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 maximum application rate of air blast sprayer for crchards may be

A. 700-1700 1/ha
B. 1700-2700 1/ha
C. 2700-3100 1/ha
D. 3700-4700 1/ha
Answer» E.
2.

Reliability is lower in

A. Unstable soil
B. Stable soil
C. Both (a) and (b)
D. None of these
Answer» C. Both (a) and (b)
3.

The threshed gram received at main grain outlets with respect to total grain input expressed as percentage by mass is

A. Cleaning efficiency
B. Winnowing efficiency
C. Threshing efficiency
D. None of these
Answer» D. None of these
4.

More spraying pressure results in

A. Reduction in droplet size
B. Increase in droplet size
C. No change in droplet size
D. None of these
Answer» B. Increase in droplet size
5.

The calorific value of petrol is

A. 10,000 Kcal/litre
B. 11,000 Kcal/litre
C. 15,000 Kcal/litre
D. 81,50 Kcal/litre
Answer» E.
6.

In bullock driven wooden ghani, the percent oil loss (left in cake) is

A. 7-8%
B. 10-11%
C. 13-15%
D. 16-18%
Answer» D. 16-18%
7.

The cost of mechanical drying per unit of grain as compared to sun drying is

A. High
B. Low
C. No significant difference
D. Exactly same
Answer» B. Low
8.

Reduction of engine speed through transmission gearbox ranges between

A. 1 and 1/5th highest and lowest
B. 1 and 1/6th
C. 1 and 1/8th
D. None of these
Answer» B. 1 and 1/6th
9.

In an alternator the magnetic field is produced in the

A. Frame
B. Stator
C. Regulator
D. Rotar
Answer» E.
10.

Bucket type sprayer consist of

A. Single and double acting pump
B. Centrifugal pump
C. Plunger type pump
D. All are correct
Answer» B. Centrifugal pump
11.

The quantity of fresh water available is

A. 25.0 Mkm3
B. 35.0 Mkm3
C. 45.0 Mkm3
D. 55.0 Mkm3
Answer» C. 45.0 Mkm3
12.

Negative plate of lead-acid battery is made of

A. PbSO4
B. H2SO4
C. PbO2
D. Pb
Answer» E.
13.

A primary fuel filter is made of

A. Cloth
B. Paper
C. Both (a) & (b)
D. None of these
Answer» B. Paper
14.

Pintle type nozzle is commonly used in

A. Pre combustion chamber
B. Swirl combustion chamber
C. Both (a) & (b)
D. None of these
Answer» D. None of these
15.

The work of choke is

A. Supply the air into cylinder
B. Supply of electric spark
C. Supply of rich mixture
D. All are correct
Answer» D. All are correct
16.

In power tiller mounted reaper, the rotating power of power tiller in prime mover is converted into

A. Rotary power of cutter bar
B. Reciprocating power of cutter bar
C. Vibrating power of cutter bar
D. None of these
Answer» C. Vibrating power of cutter bar
17.

Thermal conductivity of single grain ranges from 1-5 is

A. 0.3-0.6 Kcal/mhr/?C
B. 0.4-0.8 Kcal/mhr
C. 0.5-0.9 Kcal/m
D. 0.6-1.0 Kcal/mhr
Answer» B. 0.4-0.8 Kcal/mhr
18.

A chemical used in the battery for reaction is

A. Electrolyte
B. Distilled water
C. Both (a) & (b)
D. None of these
Answer» D. None of these
19.

A mower with high speed knife rotating in horizontal plane is known as

A. Reciprocating mower
B. Gang mower
C. Horizontal rotary mower
D. Flail mower
Answer» D. Flail mower
20.

General formula of paraffin is

A. Cn G2n+2
B. CnGn+2
C. Cn3n+1
D. None of these
Answer» B. CnGn+2
21.

At greater temperature the infiltration rate is

A. More
B. Less
C. No effect
D. None of these
Answer» B. Less
22.

Clutch is a device used to

A. Connect or disconnect the engine power from transmission system
B. Reduce the engine power
C. Brake the engine power
D. All are correct
Answer» B. Reduce the engine power
23.

One tone of refrigeration implies the colling effect equal to

A. 144 BTU/sec
B. 200 BTU/sec
C. 60 kcal/min
D. 120 kcal/min
Answer» C. 60 kcal/min
24.

The coulters used for cutting heavy trashes are

A. Plain coulter
B. Rolling plain coulter
C. Notch coulter
D. None of these
Answer» D. None of these
25.

The material used for construction of blade of winnower is

A. Aluminium sheet
B. Low grade carbon steel
C. Mild steel
D. High grade carbon steel
Answer» D. High grade carbon steel
26.

The speed restriction of light belt drive is up to

A. 5 m/s
B. 7.5 m/s
C. 10 m/s
D. 12 m/s
Answer» D. 12 m/s
27.

Blades of sail unit are made of

A. Wood
B. Canvas cloth
C. Metal
D. All are correct
Answer» C. Metal
28.

The harrow used for smoothening and levelling the soil after ploughing is

A. Spring tyne harrow
B. Spike tooth harrow
C. Offset disc harrow
D. Tandem disc harrow
Answer» C. Offset disc harrow
29.

A ridger is used for

A. Clod crushing
B. Making channel
C. Mulching
D. Seed bed preparation
Answer» C. Mulching
30.

Multiple disc clutches is

A. Wet type
B. Dry type
C. Both (a) & (b)
D. None of these
Answer» D. None of these
31.

The violent noise head in engine during process of combustion is

A. Scavenging
B. Detonation
C. Wearing
D. All are correct
Answer» C. Wearing
32.

Of the following which type of governing system is used in the gas engines?

A. Hit and miss system
B. Throttle system
C. Variable speed governor
D. Constant speed governor
Answer» B. Throttle system
33.

The pressure of water vapour for each 10?C rise in temperature is nearly

A. Half
B. Double
C. Triple
D. None of these
Answer» B. Double
34.

Lay shaft is also termed as

A. Output shaft
B. Input shaft
C. Counter shaft
D. All are correct
Answer» D. All are correct
35.

The quantity of water going through various individual path of hydrological cycle can be described by

A. Continuity equation
B. Water budget equation
C. Hydrologic equation
D. All are correct
Answer» E.
36.

Junker's calorimeter is used for determining the calorific value of

A. Liquid fuels
B. Solid fuels
C. Gaseous fuels
D. None of these
Answer» D. None of these
37.

Spray gun is known as

A. Nozzle
B. Lance
C. Nozzle disc
D. Trigger
Answer» C. Nozzle disc
38.

The speed of hand-operated winnowing fan varies from

A. 100-200 rpm
B. 200-350 rpm
C. 300-450 rpm
D. Above 450 rpm
Answer» C. 300-450 rpm
39.

A multi crop threshers is equipped with

A. Spike tooth cylinder
B. Rasp bar cylinder
C. Hammer mill cylinder
D. All of above
Answer» E.
40.

The firing interval of 2-strike two-cylinder engine is

A. 90
B. 180
C. 360
D. 720
Answer» C. 360
41.

The plough that does not leave any back as well as dead furrow is

A. One-way plough
B. Disc plough
C. Two--way plough
D. Shabas plough
Answer» D. Shabas plough
42.

A power tiller operates most satisfactory with

A. Reaper
B. M.B plough
C. Disc harrow
D. Rotary tillage tool
Answer» E.
43.

The operating speed of combine in field varies from

A. 2-6.4 kmph
B. 2-8 kmph
C. 4-10 kmph
D. 4-12 kmph
Answer» B. 2-8 kmph
44.

In gliding gear transmission system, the gear used is

A. Spiral
B. Spur
C. Bevel
D. Helical
Answer» C. Bevel
45.

The cutting blade used in subsoiler is made from

A. Mild steel
B. Cast iron
C. Low carbon steel
D. High carbon steel
Answer» E.
46.

The spacing between discs in light duty harrow is

A. 5-6 inch
B. 6-9 inch
C. 10-12 inch
D. Above 12 inch
Answer» C. 10-12 inch
47.

The tilt angle of disc plough influences

A. Depth of cut
B. Width of cut
C. Both (a) & (b)
D. None of these
Answer» B. Width of cut
48.

In SI engine, intake opens about

A. 10 deg before TDC
B. At TDC
C. 10 deg after TDC
D. 20 deg after TDC
Answer» B. At TDC
49.

The width and depth of cut of disc harrow is controlled by

A. Weight of the implement
B. Gang angle mechanism
C. Diameter of discs
D. All are correct
Answer» C. Diameter of discs
50.

The length of cutter bar of power tiller operated reaper is about

A. 100-120 cm
B. 100-140 cm
C. 100-160 cm
D. 100-180 cm
Answer» B. 100-140 cm