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 17 of 31

Q161.
Which of the following gas has the highest calorific value?
Discuss
Answer: (a).Coal gas
Q162.
The oxygen atom is __________ times heavier than the hydrogen atom.

a.

2

b.

4

c.

8

d.

16

Discuss
Answer: (d).16
Discuss
Answer: (d).both temperature and volume decreases
Discuss
Answer: (a).(Net work output)/(Work-done by the turbine)
Q165.
As per Charles' law, the volume of a given mass of a perfect gas varies __________ as its absolute temperature, when the absolute pressure remains constant.
Discuss
Answer: (a).directly
Q166.
One m³ of methane (CH₄) requires 2m³ of oxygen and produces 1m³ of carbon dioxide and 2m³ of water or steam.
Discuss
Answer: (a).Correct
Q167.
Coke oven gas is obtained by burning coke in an oven.
Discuss
Answer: (b).Disagree
Q168.
A perpetual motion machine of the first kind is __________ according to first law of thermodynamics.
Discuss
Answer: (b).impossible
Q169.
One kg of carbon requires 8/3 kg of oxygen for its complete combustion and produces 11/3 kg of carbon dioxide gas.
Discuss
Answer: (a).Agree
Q170.
A process, in which the gas is heated or expanded in such a way that product of its pressure and volume remains constant, is called isothermal process.
Discuss
Answer: (b).No