MCQ Questions Mechanical Engineering Refrigeration and Air Conditioning

Take a look at these MCQ Questions Refrigeration and Air Conditioning 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 Refrigeration and Air Conditioning.

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 Refrigeration and Air Conditioning - Set - 2

Question 1:

Allowable pressure on high-pressure side or ammonia absorption system is of the order of
(a) atmospheric pressure
(b) slightly above atmospheric pressure
(c) 2-4 bars
(d) 5-6 bars

Check Answer

Correct Answer – (D)

Question 2 :

In S.J. unit, one ton of refrigeration is equal to
(a) 210 kJ/min
(b) 21 kJ/min
(c) 420 kJ/min
(d) 840 kJ/min

Check Answer

Correct Answer – (A)

Question 3 :

One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice
(a) in 1 hour
(b) in 1 minute
(c) in 24 hours
(d) in 12 hours

Check Answer

Correct Answer – (C)

Question 4 :

In vapor compression cycle the condition off refrigerant is dry saturated vapor
(a) after passing through the condenser
(b) before passing through the condenser
(c) after passing through the expansion or throttle valve
(d) before entering the compressor

Check Answer

Correct Answer – (D)

Question 5 :

In vapor compression cycle, the condition of refrigerant is high pressure saturated liquid
(a) after passing through the condenser
(b) before passing through the condenser
(c) after passing through the expansion or thiottle valve
(d) before entering the expansion valve

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering Refrigeration and Air Conditioning

Question 6:

The vapor compression refrigerator employs the following cycie
(a) Rankine
(b) Carnot
(c) Reversed Rankine
(d) Reversed Carnot.

Check Answer

Correct Answer – (D)

Question 7:

One ton refrigeration corresponds to
(a) 50 kcal/min
(b) 50 kcal/kr
(c) 80 kcal/min
(d) 80 kcal/hr

Check Answer

Correct Answer – (A)

Question 8:

The boiling point of ammonia is
(a) -100°C
(b) -50°C
(c) – 33.3°C
(d) 0°C

Check Answer

Correct Answer – (C)

Question 9:

In vapour compression cycle the condition of refrigerant is superheated vapour
(a) after passing through the condenser
(b) before passing through the condenser
(c) after passing through the expansion or throttle valve
(d) before [entering the expansion valve

Check Answer

Correct Answer – (B)

Question 10:

In vapor compression cycle, the condition of refrigerant is very wet vapor
(a) after passing through the condenser
(b) before passing through the condenser
(c) after passing through the expansion or throttle valve
(d) before entering the compressor

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering Refrigeration and Air Conditioning

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