MCQ Questions Mechanical Engineering Thermodynamics

Take a look at these MCQ Questions Thermodynamics 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 Thermodynamics.

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 Thermodynamics - Set - 3

Question 1:

Boyle’s law i.e. pV = constant is applicable to gases under
(a) all ranges of pressures
(b) only small range of pressures
(c) high range of pressures
(d) steady change of pressures

Check Answer

Correct Answer – (B)

Question 2 :

The behaviour of gases can be fully determined by
(a) 1 law
(b) 2 laws
(c) 3 laws
(d) 4 laws

Check Answer

Correct Answer – (D)

Question 3 :

Specific heat of air at constant pressure is equal to
(a) 0.17
(b) 0.21
(c) 0.24
(d) 1.0

Check Answer

Correct Answer – (C)

Question 4 :

The condition of perfect vacuum, i.e., absolute zero pressure can be attained at
(a) a temperature of – 273.16°C
(b) a temperature of 0°C
(c) a temperature of 273 °K
(d) a negative pressure and 0°C temperature

Check Answer

Correct Answer – (A)

Question 5 :

No liquid can exist as liquid at
(a) – 273 °K
(b) vacuum
(c) zero pressure
(d) centre of earth

Check Answer

Correct Answer – (C)

MCQ Questions Mechanical Engineering Thermodynamics

Question 6:

The ratio of two specific heats of air is equal to
(a) 0.17
(b) 0.24
(c) 0.1
(d) 1.41

Check Answer

Correct Answer – (D)

Question 7:

Characteristic gas constant of a gas is equal to
(a) C/Cv
(b) Cv/Cp
(c) Cp – Cv
(d) Cp + Cv

Check Answer

Correct Answer – (C)

Question 8:

Intensive property of a system is one whose value
(a) depends on the mass of the system, like volume
(b) does not depend on the mass of the system, like temperature, pressure, etc.
(c) is not dependent on the path followed but on the state
(d) is dependent on the path followed and not on the state

Check Answer

Correct Answer – (B)

Question 9:

The unit of power in S.I. units is
(a) newton
(b) pascal
(c) erg
(d) watt

Check Answer

Correct Answer – (D)

Question 10:

Absolute zero pressure will occur
(a) at sea level
(b) at the center of the earth
(c) when molecular momentum of the system becomes zero
(d) under vacuum conditions

Check Answer

Correct Answer – (C)

MCQ Questions Mechanical Engineering Thermodynamics

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