Mechanical Engineering MCQ Multiple Choice Questions Answers for Practice

1. Work is considered positive when

2. A source of energy is known as renewable source

3. 1 inch is equals to how many centimeters?

4. 1 kg/cm2 = ........bar

5. A device which is used for pumping the water in boiler is

6. A device which is used for remove the impurities from the boiler is called

7. A system in which there is no transfer of mass across its boundaries is called

8. A unit consists Of closed vessel, economizer, super heater, water wall tubes and it producing steam as per requirement called.

9. Air vessel is used in

10. An isothermal process is governed by

11. CNG is an excellent for

12. Cochran boiler is .

13. Compressor in which compression of air from suction pressure to delivery pressure takes place in more than one cylinder is called compressor.

14. Compressor is a machine which is used to do

15. Dryness fraction of wet steam is

16. During adiabatic process

17. During compression process which parameter will change?

18. For earth moving machines, widely used engines are:

19. Function of piston rings is

20. If xl and x2 are the dryness fractions obtained in separating calorimeter and throttling calorimeter respectively, then actual dryness fraction of steam is

21. In a IC engine from which of the following source energy is converted into mechanical energy

22. In a simple gear train having two gears, if driving gear rotates in clockwise direction then driven gear rotates in

23. In a two stroke cycle engine, one cycle is completed in the following number of revolutions of the crank shaft

24. In diesel cycle, heat is added at

25. In Following which is the power producing device?

26. In multi stage compression as compared to single stage compression the volumetric efficiency is

27. In S.I. unit for the force is.

28. In the Polytropic Process PVn= C, if n = infinity , the process is called

29. Main disadvantage of nuclear energy is

30. Natural fuel is

Practice Mechanical Engineering Multiple Choice Questions (MCQs) to enhance your understanding and prepare for exams, interviews, and more. These questions are essential for anyone looking to excel in the field of mechanical engineering.

About Mechanical Engineering MCQ Questions

Mechanical Engineering MCQs cover a wide range of topics, including thermodynamics, fluid mechanics, materials science, and mechanical design. These questions are designed to test your knowledge and application of fundamental principles and advanced concepts in the field.

Why Practice Mechanical Engineering Objective Questions?

Practicing Mechanical Engineering MCQs offers numerous benefits. It helps you prepare for school and college exams, enhances your problem-solving skills, and prepares you for competitive exams and job interviews. Regular practice also reinforces your understanding of key concepts and improves your overall performance.

Who Should Use These MCQs?

  • Students preparing for school or college exams
  • Competitive exam aspirants
  • Candidates preparing for interviews

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