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 27 of 31

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Q261.
The heating of a gas at constant pressure is governed by
Discuss
Answer: (b).Charles' law
Q262.
Reversed Joule cycle is known as
Discuss
Answer: (b).Bell-Coleman cycle
Q263.
One kg of sulphur requires 1 kg of oxygen for complete combustion and produces 2 kg of sulphur dioxide.
Discuss
Answer: (a).True
Q264.
The change of entropy, when heat is absorbed by the gas, is
Discuss
Answer: (a).positive
Q265.
A machine which violates the first law of thermodynamics is known as perpetual motion machine of the second kind.
Discuss
Answer: (b).Incorrect
Q266.
Both the Ericsson and Joule's cycle have two constant pressure processes.
Discuss
Answer: (a).True
Q267.
The general law for the expansion or compression of gases, is
Discuss
Answer: (c).pvn = C
Q268.
The value of one bar (in S. I. units) is equal to
Discuss
Answer: (d).1 x 105 N/m²
Discuss
Answer: (a).65° to 220°C
Q270.
If the carbon content in the bituminous coal is 78 to 81%, it is said to be coking bituminous coal.
Discuss
Answer: (b).Disagree