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 - 5

Question 1:

Which of the following is not the intensive property
(a) pressure
(b) temperature
(c) density
(d) heat

Check Answer

Correct Answer – (D)

Question 2 :

Which of the following is the property of a system
(a) pressure and temperature
(b) internal energy
(c) volume and density
(d) all of the above.

Check Answer

Correct Answer – (D)

Question 3 :

According to Avogadro’s law, for a given pressure and temperature, each molecule of a gas
(a) occupies volume proportional to its molecular weight
(b) occupies volume proportional to its specific weight
(c) occupies volume inversely proportional to its molecular weight
(d) occupies same volume

Check Answer

Correct Answer – (D)

Question 4 :

Properties of substances like pressure, temperature and density, in thermodynamic coordinates are
(a) path functions
(b) point functions
(c) cyclic functions
(d) real functions

Check Answer

Correct Answer – (B)

Question 5 :

If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to
(a) + v
(b) – ve
(c) zero
(d) pressure x volume

Check Answer

Correct Answer – (C)

MCQ Questions Mechanical Engineering Thermodynamics

Question 6:

On weight basis, air contains following parts of oxygen
(a) 21
(b) 23
(c) 25
(d) 73

Check Answer

Correct Answer – (B)

Question 7:

Mixture of ice and water form a
(a) closed system
(b) open system
(c) isolated system
(d) heterogeneous system

Check Answer

Correct Answer – (D)

Question 8:

Which of the following quantities is not the property of the system
(a) pressure
(b) temperature
(c) specific volume
(d) heat

Check Answer

Correct Answer – (D)

Question 9:

An isolated system is one in which
(a) mass does not cross boundaries of the system, though energy may do so
(b) neither mass nor energy crosses the boundaries of the system
(c) both energy and mass cross the boundaries of the system
(d) mass crosses the boundary but not the energy

Check Answer

Correct Answer – (B)

Question 10:

To convert volumetric analysis to gravimetric analysis, the relative volume of each constituent of the flue gases is
(a) divided by its molecular weight
(b) multiplied by its molecular weight
(c) multiplied by its density
(d) multiplied by its specific weight

Check Answer

Correct Answer – (B)

MCQ Questions Mechanical Engineering Thermodynamics

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