Question:

If the speed of sound is much                   than that of the gas, the gas density will stay constant.

A.

smaller

B.

larger

C.

equal to

D.

non-existent

Answer» b. larger

Question:

Which turbines are employed for driving alternator at synchronous speed?

A.

central station turbine

B.

reheating turbine

C.

extraction turbine

D.

extraction induction turbine

Answer» a. central station turbine

Question:

Ratio of critical pressure to inlet pressure in known as                        

A.

none of the mentioned

B.

pressure ratio

C.

critical pressure ratio

D.

isoentropic pressure ratio

Answer» c. critical pressure ratio

Question:

Aeroderivative engines release higher emissions.

A.

true

B.

false

Answer» a. true

Question:

What is the function of superheater in the boiler?

A.

increase the temperature of steam

B.

reheat the steam

C.

superheat the feed water

D.

to heat the fuel gas

Answer» a. increase the temperature of steam