Question:

In what forms are liquid fuels available in nature?

A.

light distillate

B.

petroleum spirit

C.

petroleum naphtha

D.

crude petroleum

Answer» d. crude petroleum

Question:

Compressible flow mainly deals with

A.

solid dynamics

B.

liquid dynamics

C.

gas dynamics

D.

solid and liquid dynamics

Answer» c. gas dynamics

Question:

Which are the major types of boilers that are operated in world today?

A.

natural circulation boiler

B.

forced circulation boiler

C.

fire tube boiler

D.

once through boiler

Answer» d. once through boiler

Question:

Friction can be increased by                        

A.

using air cushion

B.

lubricants

C.

using sand

D.

using ball bearings

Answer» c. using sand

Question:

Converging-diverging nozzle is also known as                      

A.

pascal nozzle

B.

bernouille’s nozzle

C.

toricelli’s nozzle

D.

de laval’ nozzle

Answer» d. de laval’ nozzle

Question:

A turbine comprising of fixed blades and moving nozzles is called as reaction turbines.

A.

true

B.

false

Answer» a. true

Question:

In how many categories heat exchangers are classified on the basis of direction of flow of fluids?

A.

4 categories

B.

3 categories

C.

2 categories

D.

1 categories

Answer» b. 3 categories

Question:

The vapour going to condenser is in temperature and in ammonia.

A.

higher, less

B.

higher, richer

C.

lower, less

D.

lower, richer

Answer» d. lower, richer

Question:

A condenser must and then the compressed refrigerant.

A.

superheat, evaporate

B.

desuperheat, evaporate

C.

superheat, condense

D.

desuperheat, condense

Answer» d. desuperheat, condense

Question:

In the expansion process, which of the following remains constant?

A.

work done

B.

heat supplied

C.

internal energy

D.

enthalpy

Answer» d. enthalpy