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 9 of 31

Q81.
Which of the following gas has a minimum molecular mass?
Discuss
Answer: (c).Hydrogen
Q82.
The hyperbolic pocess is governed by
Discuss
Answer: (a).Boyle's law
Q83.
A closed system is one in which heat and work crosses the boundary of the system but the mass of the working substance does not crosses the boundary of the system.
Discuss
Answer: (a).Yes
Q84.
The entropy of water at 0°C is assumed to be
Discuss
Answer: (b).0
Q85.
The greater the pressure difference in throttling, the lesser is the irreversibility.
Discuss
Answer: (b).No
Q86.
During which of the following process does heat rejection takes place in Carnot cycle?
Discuss
Answer: (c).Isothermal compression
Q87.
Hydrogen is the __________ substance.
Discuss
Answer: (a).lightest
Discuss
Answer: (b).constant volume cycle
Q89.
For a perfect gas, according to Boyle's law (where p = Absolute pressure, v = Volume, and T = Absolute temperature)
Discuss
Answer: (a).p v = constant, if T is kept constant
Discuss
Answer: (a).partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast