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 21 of 31

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Q201.
The bomb calorimeter is used for finding the __________ calorific value of solid and liquid fuels.
Discuss
Answer: (a).higher
Discuss
Answer: (a).increasing the highest temperature
Q203.
The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)
Discuss
Answer: (d).1 - (1/r) ฮณ - 1/ ฮณ
Q204.
To ensure complete and rapid combustion of a fuel, some quantity of air, in excess of the theoretical or minimum air is supplied.
Discuss
Answer: (a).Yes
Q205.
According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) __________ with the change in pressure and temperature of the gas.
Discuss
Answer: (b).do not change
Q206.
One molecule of oxygen is __________ times heavier than the hydrogen atom.
Discuss
Answer: (d).32
Q207.
Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, ฮณ = cp/cv, known as adiabatic index, and R = Gas constant)
Discuss
Answer: (d).Both b and c
Q208.
The property of the system, whose value for the entire system is equal to the sum of their values for the individual parts of the system is called extensive property
Discuss
Answer: (a).Yes
Q209.
Coal gas consists mainly of hydrogen, carbon monoxide and various hydrocarbons.
Discuss
Answer: (a).Agree
Discuss
Answer: (c).reduces exhaust temperature