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 - 2

Question 1:

Superheated vapour behaves
(a) exactly as gas
(b) as steam
(c) as ordinary vapour
(d) approximately as a gas

Check Answer

Correct Answer – (D)

Question 2 :

The pressure’of a gas in terms of its mean kinetic energy per unit volume E is equal to
(a) E/3
(b) E/2
(c) 3E/4
(d)2E/3

Check Answer

Correct Answer – (D)

Question 3 :

According to kinetic theory of gases, the absolute zero temperature is attained when
(a) volume of the gas is zero
(b) pressure of the gas is zero
(c) kinetic energy of the molecules is zero
(d) specific heat of gas is zero

Check Answer

Correct Answer – (C)

Question 4 :

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

Check Answer

Correct Answer – (A)

Question 5 :

Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits.
(a) O₂, N₂, steam, CO₂
(b) O₂, N₂, water vapour
(c) SO₂, NH3, CO₂, moisture
(d) O₂, N₂, H₂, air

Check Answer

Correct Answer – (D)

MCQ Questions Mechanical Engineering Thermodynamics

Question 6:

Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to
(a) T
(b) j
(c) J2
(d) Vr

Check Answer

Correct Answer – (A)

Question 7:

Kinetic theory of gases assumes that the collisions between the molecules are
(a) perfectly elastic
(b) perfectly inelastic
(c) partly elastic
(d) partly inelastic

Check Answer

Correct Answer – (A)

Question 8:

Temperature of a gas is produced due to
(a) its heating value
(b) kinetic energy of molecules
(c) repulsion of molecules
(d) attraction of molecules

Check Answer

Correct Answer – (B)

Question 9:

The unit of pressure in S.I. units is
(a) kg/cm²
(b) mm of water column
(c) pascal
(d) dynes per square cm

Check Answer

Correct Answer – (C)

Question 10:

According to Dalton’s law, the total pres sure of the mixture of gases is equal to
(a) greater of the partial pressures of all
(b) average of the partial pressures of all
(c) sum of the partial pressures of all
(d) sum of the partial pressures of all divided by average molecular weight

Check Answer

Correct Answer – (C)

MCQ Questions Mechanical Engineering Thermodynamics

NCERT Solutions & Download NCERT Textbooks

MCQ Questions Mechanical Engineering Steam Boilers, Engines, Nozzles and Turbines

Multiple Choice Questions for Competitive Exams

Multiple Choice Questions Class 12 Chemistry The Solid State

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 12 Solutions With Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 12 Electrochemistry With Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 12 Chemical Kinetics With Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 12 Surface Chemistry With Answers

Set -1 Set -2 Set -3 Set -4 Set -5
MCQ Questions Class 12 General Principles and Processes of Isolation of Elements With Answers

Set -1 Set -2 Set -3 Set -4 Set -5