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.
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
Q202.
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
Q203.
One molecule of oxygen is __________ times heavier than the hydrogen atom.
Discuss
Answer: (d).32
Q204.
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
Q205.
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
Q206.
Coal gas consists mainly of hydrogen, carbon monoxide and various hydrocarbons.
Discuss
Answer: (a).Agree
Discuss
Answer: (c).reduces exhaust temperature
Q208.
When the finely ground coal is moulded under pressure with or without a binding material, the resulting fuel is called briquetted coal.
Discuss
Answer: (a).Yes
Q209.
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order
Discuss
Answer: (a).Dual cycle, Diesel cycle, Otto cycle
Q210.
The heat and work are mutually convertible. This statement is called __________ law of thermodynamics.
Discuss
Answer: (b).First