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)