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

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-6 section-1

Each section contains 100 MCQs on Compressors, Gas Turbines and Jet Engines .
51
The ratio of isentropic work to Euler work is known as
Discuss
Answer & Solution
Answer: Option A
Solution:
The ratio of isentropic work to Euler work is known as Pressure coefficient
52
The ratio of isentropic work to Euler’s work is known as
Discuss
Answer & Solution
Answer: Option D
Solution:
The ratio of isentropic work to Euler’s work is known as Pressure Coefficient
53
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston.
Discuss
Answer & Solution
Answer: Option B
Solution:
In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in two strokes of the piston.
54
The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio)
Discuss
Answer & Solution
Answer: Option C
Solution:
The overall thermal efficiency of an ideal gas turbine plant is $$1 - {\left( {\frac{1}{{\text{r}}}} \right)^{\frac{{\gamma - 1}}{\gamma }}}$$
(Where r = Pressure ratio)
55
What will be the volume of air at 327°C if its volume at 27°C is 1.5 m3/mt?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
56
The capacity of a compressor is 5 m/min refers to
Discuss
Answer & Solution
Answer: Option B
Solution:
The capacity of a compressor is 5 m/min refers to free air
57
The thermal efficiency of a gas turbine as compared to a diesel plant is
Discuss
Answer & Solution
Answer: Option C
Solution:
The thermal efficiency of a gas turbine as compared to a diesel plant is less
58
A jet engine has
Discuss
Answer & Solution
Answer: Option A
Solution:
A jet engine is a type of reaction engine discharging a fast-moving jet that generates thrust by jet propulsion
59
Isothermal compression though most efficient, but is not practicable because
Discuss
Answer & Solution
Answer: Option D
Solution:
Isothermal compression though most efficient, but is not practicable because Compressor has to run at very slow speed to achieve it
60
The type of rotary compressor used in aeroplanes, is of
Discuss
Answer & Solution
Answer: Option B
Solution:
The type of rotary compressor used in aeroplanes, is of Axial flow type