Compressors Gas dynamics and Gas Turbines MCQ with Answers

86) A closed cycle gas turbine works on

Answer is:

Joule cycle

87) The clearance, in a single stage, single acting reciprocating air compressor does not effect the workdone on the air and the power required for compressing the air.

Answer is:

Right

88) Air motors work on the cycle which is the reverse of the reciprocating air compressor cycle.

Answer is:

Agree

89) Which of the following statement is correct relating to rocket engines ?

Answer is:

all of the above

Explanation:

In rocket engine
* The combustion chamber in a rocket engine is directly analogous to the reservoir of a super sonic wind tunnel
* The stagnation conditions exist at the combustion chamber
* The exit velocities of exhaust gases are much higher than those in jet engine

Which of the following statement is correct relating to rocket engines ?

90) In reciprocating air compressors, isothermal efficiency is used for all sorts of calculations.

Answer is:

86) A closed cycle gas turbine works on

Joule cycle

87) The clearance, in a single stage, single acting reciprocating air compressor does not effect the workdone on the air and the power required for compressing the air.

Right

88) Air motors work on the cycle which is the reverse of the reciprocating air compressor cycle.

Agree

89) Which of the following statement is correct relating to rocket engines ?

all of the above

90) In reciprocating air compressors, isothermal efficiency is used for all sorts of calculations.

Correct