Thermodynamics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Thermodynamics, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Thermodynamics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Thermodynamics mcq questions that explore various aspects of Thermodynamics problems. Each MCQ is crafted to challenge your understanding of Thermodynamics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Thermodynamics MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Thermodynamics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Thermodynamics knowledge to the test? Let's get started with our carefully curated MCQs!

Thermodynamics MCQs | Page 4 of 31

Q31.
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.
Discuss
Answer: (b).4/7
Q32.
The absolute zero temperature is taken as
Discuss
Answer: (a).-273°C
Q33.
The specific heat of water is
Discuss
Answer: (c).4.187
Discuss
Answer: (d).none of the above
Q35.
The efficiency of Stirling cycle is __________ Carnot cycle.
Discuss
Answer: (c).equal to
Q36.
According to Gay-Lussac law for a perfect gas, p/T = constant, if v is kept constant.
Discuss
Answer: (a).True
Q37.
There is no change in internal energy in an isothermal process.
Discuss
Answer: (a).Correct
Q38.
If the value of n = 0 in the equation pvn = C, then the process is called
Discuss
Answer: (c).constant pressure process
Q39.
Which of the following gas is mostly used in town for street and domestic lighting and heating?
Discuss
Answer: (b).Coal gas
Q40.
The value of gas constant (R) in S. I. units is
Discuss
Answer: (d).287 J/kgK
Page 4 of 31