MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines

Compressors, Gas Turbines and Jet Engines-4

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 - 4

Question 1: 

During peak load periods, the best method of controlling compressors is
(a) start-stop motor
(b) constant speed unloader
(c) relief valve
(d) variable speed

Correct Answer – (B)

Question 2 : 

The compressor performance at higher altitude compared to sea level will be
(a) same
(b) higher
(c) lower
(d) dependent on other factors

Correct Answer – (C)

Question 3 : 

To avoid moisture troubles, the branch connections from compressed air lines should be taken from
(a) top side of main
(b) bottom side of main
(c) left side of main
(d) right side of main

Correct Answer – (A)

Question 4 : 

An air compressor may be controlled by

(a) throttle control

(b) clearance control

(c) blow-off control

(d) any one of the above

Correct Answer – (D)

Question 5 : 

Separators in compressor installations are located
(a) before intercooler
(b) after intercooler
(c) after receiver
(d) between after-cooler and air receiver

Correct Answer – (D)

MCQ Questions Mechanical Engineering Compressors, Gas Turbines and Jet Engines

Question 6: 

A compressor at high altitude will draw
(a) more power
(b) less power
(c) same power
(d) more/less power depending on other factors

Correct Answer – (B)

Question 7: 

The thrust on the rotor in a centrifugal compressor is produced by
(a) radial component
(b) axial component
(c) tangential component
(d) resultant component

Correct Answer – (B)

Question 8: 

The compressor efficiency is the
(a) isothermal H.P/indicated H.R
(b) isothermal H.P./shaft H.R
(c) total output/air input
(d) compression work/motor input

Correct Answer – (A)

Question 9: 

The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is
(a) less
(b) more
(c) same
(d) more/less depending on compressor capacity

Correct Answer – (B)

Question 10: 

To avoid moisture troubles, the compressed air main line should
(a) rise gradually towards the point of use
(b) drop gradually towards the point of use
(c) be laid vertically
(d) be laid exactly horizontally

Correct Answer – (B)

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