Agricultural Engineering Set 18 MCQs

Q1 | The efficiency of IC engines varies from

25 to 32 per cent

30 to 40 per cent

35 to 40 per cent

32 to 38 per cent

Q2 | The value of angle of repose for millets is about

15-20 degree

20-25 degree

25-30 degree

30-35 degree

Q3 | In IC engines the method used for ignition of fuel is

Electric sparks

Heat of compression

Open flame and hot tube

All are correct

Q4 | Terminal velocity of wheat grain is

8-10 m/s

9-11.5 m/s

10-12.5 m/s

10-13 m/s

Q5 | Supercharger of an engine is driven by

Camshaft

Crankshaft

Exhaust gases

Flywheel

Q6 | The thermal efficiency of CI engine is

Higher than SI engine

Lower than SI engine

Equal to SI engine

None of these

Q7 | Engine is a device, which converts

Chemical energy into mechanical

Mechanical energy into chemical

Chemical energy into electrical energy

Mechanical energy into electrical

Q8 | In force feed lubrication system pump is driven by

Camshaft

Crankshaft

Both (a) & (b)

None of these

Q9 | The gas holder used in floating gas type biogas plant is

Conical

Spherical

Inverted drum

All are correct

Q10 | The part of seed drill that conveys seed or fertilizer from deliver tube to furrow is

Shoe

Boot

Furrow opener

Seed tube

Q11 | ONK-B sprayer duster is used as

Spraying of liquid

Dusting of dry pesticides

Dusting of wet pesticides

All are correct

Q12 | The threshing cylinder used in groundnut thresher is

Spike tooth type

Rasp bar type

Hammer mill type

Angle bar type

Q13 | The two-stroke engine is

Diesel engine

Steam engine

Petrol engine

None of these

Q14 | The combine harvester is a machine designed for

Harvesting crop

Threshing of harvested crop

Separation and cleaning of harvested crop

All are correct

Q15 | In an adiabatic process system

Temperture is constant

Pressure is constant

Heat is constant

Volume is constant

Q16 | Direct runoff is made up of

Overland flow

Surface runoff and prompt inter flow

Surface runoff and infiltration

Rainfall and evapotranspiration

Q17 | Specific speed of pump expresses relationship between

Pump speed

Pump discharge

Total head

All are correct

Q18 | A governor based on the principle that the change of pressure in one part of system produces an opposite change of much greater magnitude in other part is called

Centrifugal governor

Pneumatic governor

Hydraulic governor

None of these

Q19 | Tidal energy is the

Renewable energy

Non-renewable energy

Exhaustible

None of these

Q20 | The downward movement of water through saturated or nearly saturated soil is response to force of gravity is

Infiltration

Percolation

Seepage

Inter flow

Q21 | A cylinder block is normally made of

Aluminium

Cast iron

High carbon steel

Mild steel

Q22 | The biogas production stops at an atmospheric temperature of

5?C

10?C

14?C

18?C

Q23 | The ratio of the speed at the tip of rotor to the wind speed is called

Wind speed ratio

Rotor speed ratio

Tip speed ratio

All are correct

Q24 | The firing order of eight-cylinder engine is

1 ? 5 ? 4 ? 2 ? 6 ? 3 ? 7 ? 8

1?2?6?3?4?7?5?8

1?5?3?4?2?7?8

1?2?4?6?7?3?5?8

Q25 | Centre of resistance of plough lie at a distance of

1/3rd size of plough from share wing

3/4rd size of plough from share wing

1/2 size of plough from share wing

All fire correct