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 16 of 31

Q151.
The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.
Discuss
Answer: (b).No
Discuss
Answer: (c).11/7 kg of carbon dioxide gas
Q153.
The molecular mass expresssed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of
Discuss
Answer: (c).22.4 litres
Discuss
Answer: (a).when molecular momentum of the system becomes zero
Q155.
The gas in cooling chamber of a closed cycle gas turbine is cooled at
Discuss
Answer: (c).constant pressure
Q156.
Boyle's law states that change of internal energy of a perfect gas is directly proportional to the change of temperature.
Discuss
Answer: (b).Disagree
Q157.
The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is always __________ one.
Discuss
Answer: (c).greater than
Q158.
The isothermal and adiabatic processes are regarded as
Discuss
Answer: (a).reversible process
Q159.
The variables which control the physical properties of a perfect gas are
Discuss
Answer: (d).all of these
Q160.
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by
Discuss
Answer: (c).Clausis