Home

Compressors, Gas Turbines & Jet Engines MCQ - Multiple Choice Question and Answer

Compressors, Gas Turbines & Jet Engines MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Download Objective type questions of Compressors, Gas Turbines & Jet Engines PDF

Visit our PDF store

Question No : 15
The clearance volume of the air compressor is kept minimum because

It allows maximum compression to be achieved
It greatly affects volumetric efficiency
It results in minimum work
It permits isothermal compression

Question No : 16
Losses in a centrifugal compressor are due to

Inlet losses
Impeller channel losses
Diffuser losses
All of the above

Question No : 17
The ideal efficiency of simple gas turbine cycle depends on

Pressure ratio
Maximum cycle temperature
Minimum cycle temperature
All of the above

Question No : 18
The thermal efficiency of a gas turbine as compared to a diesel plant is

Same
More
Less
Depends on other factors

Question No : 19
Volumetric efficiency of a compressor with clearance volume

Increases with increase in compression ratio
Decreases with increase in compression ratio
In not dependent upon compression ratio
May increase/decrease depending on compressor capacity

Question No : 20
The maximum compression ratio in an actual single stage axial flow compressor is of the order of

1 : 1.2
1 : 2
1 : 5
1 : 10

Question No : 21
Choose the correct statement

Gas turbine requires lot of cooling water
Gas turbine is capable of rapid start up and loading
Gas turbines has flat efficiency at part loads
Gas turbines have high standby losses and require lot of maintenance