Compressors, Gas Turbines And Jet Engines MCQ Questions & Answers

Learn Compressors, Gas Turbines And Jet Engines MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Compressors, Gas Turbines And Jet Engines MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-5 section-1

Each section contains 100 MCQs on Compressors, Gas Turbines and Jet Engines .

Only rocket engines can be propelled to space because

A) They can generate very high thrust B) They have high propulsion efficiency C) These engines can work on several fuels D) They are not air breathing engines

Discuss

Answer & Solution

Answer: Option D

Solution:

Only rocket engines can be propelled to space because They are not air breathing engines

Gas turbine as compared to steam turbine

A) Requires less space for installation B) Has compressor and combustion chamber C) Has less efficiency D) All of these

Discuss

Answer & Solution

Answer: Option D

Solution:

Gas turbine as compared to steam turbine:
- Requires less space for installation
- Has compressor and combustion chamber
- Has less efficiency

Water is injected in gas turbine cycle to

A) Control temperature B) Control output of turbine C) Control fire hazards D) Increase efficiency

Discuss

Answer & Solution

Answer: Option B

Solution:

Water is injected in gas turbine cycle to Control output of turbine

Gas turbine works on

A) Brayton or Atkinson cycle B) Carnot cycle C) Rankine cycle D) Ericsson cycle

Discuss

Answer & Solution

Answer: Option A

Solution:

Gas turbine works on Brayton or Atkinson cycle

A closed cycle gas turbine works on

A) Carnot cycle B) Rankine cycle C) Ericsson cycle D) Joule cycle

Discuss

Answer & Solution

Answer: Option D

Solution:

A closed cycle gas turbine works on Joule cycle

Open cycle gas turbine works on

A) Brayton or Atkinson cycle B) Rankine cycle C) Carnot cycle D) Ericsson cycle

Discuss

Answer & Solution

Answer: Option A

Solution:

Open cycle gas turbine works on Brayton or Atkinson cycle

A turboprop is preferred to turbojet because

A) It has high propulsive efficiency at high speeds B) It can fly at supersonic speeds C) It can fly at high elevations D) It has high power for take off

Discuss

Answer & Solution

Answer: Option D

Solution:

A turboprop is preferred to turbojet because It has high power for take off

In jet propulsion power unit, the inlet duct of diverging shape is used in order to

A) Collect more air B) Convert kinetic energy of air into pressure energy C) Provide robust structure D) Beautify the shape

Discuss

Answer & Solution

Answer: Option B

Solution:

In jet propulsion power unit, the inlet duct of diverging shape is used in order to Convert kinetic energy of air into pressure energy

Gas turbine cycle with regenerator

A) Increases thermal efficiency B) Allows high compression ratio C) Decreases heat loss is exhaust D) Allows operation at very high altitudes

Discuss

Answer & Solution

Answer: Option A

Solution:

Gas turbine cycle with regenerator Increases thermal efficiency

The ratio of the net work obtained from the gas turbine plant to the turbine work is known as

A) Compression ratio B) Work ratio C) Pressure ratio D) None of these

Discuss

Answer & Solution

Answer: Option B

Solution:

The ratio of the net work obtained from the gas turbine plant to the turbine work is known as work ratio

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Compressors, Gas Turbines And Jet Engines MCQ Questions & Answers | Mechanical Engineering