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 20 of 31

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Q191.
The heating of gas at constant volume is governed by
Discuss
Answer: (c).Gay-Lussac law
Q192.
The absolute pressure of a given mass of a perfect gas varies inversely as its volume, when the temperature remains constant. This statement is known as Boyle's law.
Discuss
Answer: (a).Yes
Q193.
The fuel mostly used in cement industry and in metallurgical processes is
Discuss
Answer: (c).pulverised coal
Q194.
The principal constituents of a fuel are
Discuss
Answer: (a).carbon and hydrogen
Discuss
Answer: (d).none of these
Discuss
Answer: (c).both temperature and volume will increase
Q197.
By decreasing the highest temperature in the Carnot cycle, its efficiency is increased.
Discuss
Answer: (b).False
Q198.
Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules. This statement is called Avogadro's law.
Discuss
Answer: (a).True
Q199.
Wood charcoal is produced by heating the wood at 100°C.
Discuss
Answer: (b).No
Q200.
The __________ is obtained when carbonisation of coal is carried out at 500° to 700° C.
Discuss
Answer: (a).soft coke