B:-Roundness
C:-Sphericity
D:-None of the above
Correct Answer:- Option-C
Question36:-The drag and lift properties of food material are important in designing
A:-Screw conveyors
B:-Belt conveyors
C:-Bucket elevator
D:-Pneumatic conveyors
Correct Answer:- Option-D

Question37:-In separator, the grain shape and the frictional difference
between the grains and belt material are used for separation

A:-Specific gravity

B:-Cyclone

C:-Centrifugal

D:-Inclined belt

Correct Answer:- Option-D
Question38:-The transport property of material that affects heat conduction is

A:-Thermal conductivity

B:-Velocity

C:-Viscosity

D:-Porosity

Correct Answer:- Option-A

Question39:-The overall heat transfer coefficient in a heat exchanger takes into
effect

A:-Conduction between solid and liquids involved
B:-Thermal radiation from the liquid and solid surfaces

C:-Convection in each fluid involved and conduction through the walls
separating the fluids

D:-Steady state conduction heat transfer and radiation effects only
Correct Answer:- Option-C

Question40:-During drying process, the air moving through the grain for removing
moisture is subjected to this thermodynamic process

A:-Heating and humidifying
B:-Cooling and humidifying
C:-Heating and dehumidifying
D:-Cooling and dehumidifying