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 23 of 31

Q221.
The elements are made up of minute and chemically invisible particles as atoms.
Discuss
Answer: (a).True
Q222.
All perfect gases change in volume by 1 / 273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called
Discuss
Answer: (b).Charles' law
Q223.
A good fuel should have __________ ignition point.
Discuss
Answer: (b).low
Q224.
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.
Discuss
Answer: (b).second kind
Q225.
A close cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
Discuss
Answer: (c).higher
Q226.
Charles' law states that all perfect gases change in volume by __________ of its original volume at 0° C for every 1° C change in temperature, when pressure remains constant.
Discuss
Answer: (d).1/273th
Q227.
The calorific value of gaseous fuel is expressed in
Discuss
Answer: (d).kJ/m³
Q228.
The throttling process is an irreversible steady flow expansion process.
Discuss
Answer: (a).Correct
Q229.
The efficiency of the dual combustion cycle for the same compression ratio, is __________ Diesel cycle.
Discuss
Answer: (a).greater than
Q230.
The molecular mass of a substance is the number of times a molecule of that substance is heavier than the hydrogen atom.
Discuss
Answer: (a).True