Scientific Officer Agriculture Engineering Solved MCQS Pdf

Scientific Officer Agriculture Engineering M.Sc. (Hons.)  in Agricultural Sciences Engineering  B.Sc. (Hons.) Agricultural Engineering Solved MCQS Pdf

The latent heat of steam at atmospheric pressure is…………….

a) 1535 kJ/kg

b) 1895 kJ/kg

c) 2257 kJ/kg

d) 2690 kJ/kg

Which one is the physical property of materials……………………

a) Ductility

b) Conductivity

c) Strength

d) None of these

Which of these is the surface hardening process………..…….

a) Carburizing

b) Boronizing

c) Induction hardening

d) All of these

The process used to enlarge the internal diameter of a work piece is called………..

c) Drilling

d) b) Reaming

c) Boring

d) All of these

Which of the following is an air pollutant? ……. ……………………………

(a) Nitrogen

(b) Carbon dioxide

(c) Carbon monoxide

(d) Oxygen

Smog is……………………………….

(a) A natural phenomenon

(b) A combination of smoke and fog

(c) Is colourless

(d) All of the above

Function of mould board is to……………………………………………………………….

(a) Cut the soil

(b) Lift the soil

(c) Turn the soil

(d) Both (b & c)

Energy resources derived from natural organic materials are called……………………

a) Geothermal

b) Fossil fuels

c) Wind

d) All of these

The angular location to north or south of the equator is called………………

a) Meridian

b) Longitude

c) Latitude

d) None of these

 

Doubling wind speed means ………. more power.

a) 2 times

b) 4 times

c) 6 times

d) 8 times

 

The material used for N-type doping in solar cell is………………….

a) Silicon

b) Aluminum

c) Indium

d) Phosphorus

12.1 BTU is equal to………..

a) 1054.6 J

b) 252 Cal

c) Both a and b

d) None of these

Cam shaft is driven by__________.

a-Crank shaft

b-Drive wheel

c-Piston

d-Piston rod

In diesel engine the component placed at the place of spark plug, is________.

a-Nozzle

b- Intake valve

c- Exhaust valve

d- Piston rod

Tachometer measures____________________.

a-Engine speed

b- Engine power

c-BHP

d- IHP

A device which is used to convert solar energy directly into electrical energy is called as________

a- Solar heater

b-Solar concentrator

c-Solar furnace

d-Solar cell

In a material, the tensile stress is due to________

a-Tension

b- compactness

c- sliding on another surface

d- none

Which is not the part of M.B plough_______________.

a-Tail piece

b-Shovel

c-Frog

d-Land side

The combustion process in a diesel engine is_____________.

Constant pressure process

Isothermal process

Constant volume process

Adiabatic process

During compression stroke the air is compressed according to__________.

a- Isothermal process

b- Hyperbolic process

c- Adiabatic process

d- Constant pressure process

Isothermal process on TS-Diagram is represented by a straight line parallel to ……… axis

a) Temperature

b) Entropy

c) Pressure

d) Volume

 

Internal energy of a gas is a function of……….

a) Pressure

b) Entropy

c) Temperature

d) Molecular weight

 

Water pump takes the drive from__________

a) Crank shaft

b) Cam shaft

c) Timing gears

d) Cooling fan

To an object, the tensile stress always tends to

a) Increase longitudinally

b) decrease longitudinally

c) Compress

d) all above

In 4-stroke engine, there is

a) Only one power stroke

b) Three idle strokes

c) Three power stroke

d) Both (a) & (b)