MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines

Take a look at these MCQ Questions Compressors, Gas Turbines and Jet Engines for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines.

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering super hero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines - Set - 3

Question 1:

Rotary compressor is best suited for
(a) large quantity of air at high pressure
(b) small quantity of air at high pressure
(c) small quantity of air at low pressure
(d) large quantity of air at low pressure

Check Answer

Correct Answer – (B)

Question 2 :

In multistage compressor, the isothermal compression is achieved by
(a) employing intercooler
(b) by constantly cooling the cylinder
(c) by running compressor at very slow speed
(d) by insulating the cylinder

Check Answer

Correct Answer – (C)

Question 3 :

Which is false statement about air receivers
(a) These are used to dampen pulsations ,
(b) These act as reservoir to- take care of sudden demands
(c) These increase compressor efficiency
(d) These knock out some oil and moisture

Check Answer

Correct Answer – (C)

Question 4 :

Out of the following, from where you will prefer to take intake for air compressor
(a) from an air conditioned room maintained at 20°C
(b) from outside atmosphere at 1°C
(c) from coal yard side
(d) from a side where cooling tower is located nearby

Check Answer

Correct Answer – (D)

Question 5 :

The clearance volume of the air compressor is kept minimum because
(a) it allows maximum compression to be achieved
(b) it greatly affects volumetric efficiency
(c) it results in minimum work
(d) it permits isothermal compression

Check Answer

Correct Answer – (B)

MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines

Question 6:

Reciprocating air compressor is best suited for
(a) large quantity of air at high pressure
(b) small quantity of air at high pressure
(c) small quantity of air at low pressure
(d) large quantity of air at low pressure

Check Answer

Correct Answer – (A)

Question 7:

Which is false statement about multistage compression .
(a) Power consumption per unit of air delivered is low
(b) Volumetric efficiency is high
(c) It is best suited for compression ratios around 7:1
(d) The moisture in air is condensed in the intercooler

Check Answer

Correct Answer – (B)

Question 8:

Mining industry usually employs following motive power
(a) A.C. electric motor
(b) compressed air
(c) petrol engine
(d) diesel engine

Check Answer

Correct Answer – (B)

Question 9:

Euler’s equation is applicable for
(a) centrifugal compressor
(b) axial compressor
(c) pumps
(d) all of the above

Check Answer

Correct Answer – (D)

Question 10:

Volumetric efficiency of a compressor without clearance volume
(a) increases with increase in compression ratio
(b) decreases with increase in compression ratio
(c) is not dependent upon compression ratio
(d) may increase/decrease depending on compressor capacity

Check Answer

Correct Answer – (C)

MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines

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