A. enables to determine change in internal energy of the system
B. does not help to predict whether the system will or not undergo a change
C. does not enable to determine change in entropy
D. provides relationship between heat, work and internal energy
E. all of the above
Mechanical Engineering Mcqs
Mechanical Engineering Mcqs for Preparation of Job Test and interview, freshers, Students, competitive exams etc. Multiple choice questions here are on topics such as Machine Design, Theory of Machines, Hydraulic Machines etc.
| MECHANICAL ENGINEERING MCQS | |||
|---|---|---|---|
| 1. | Engineering Materials | 2. | Engineering Mechanics |
| 3. | Fluid Mechanics | 4. | Heat Transfer |
| 5. | Hydraulic Machines | 6. | I.C. Engines |
| 7. | Machine Design | 8. | Nuclear Power Plants |
| 9. | Production Technology | 10. | Workshop Technology |
| 11. | Refrigeration and Air Conditioning | 12. | Steam Boilers, Engines, Nozzles and Turbines |
| 13. | Compressors, Gas Turbines and Jet Engines | 14. | Strength of Materials |
| 15. | Theory of Machines | 16. | Thermodynamics |
A. reversible engine
B. irreversible engine
C. new engine
D. petrol engine
E. diesel engine
A. process is thermodynamically in equilibrium
B. process is executed in closed system cycle
C. its entropy will change due to irreversibility
D. sum of heat and work transfer will be zero
E. no work will be done by the system
A. properties of the medium/substance used
B. condition of engine
C. working condition
D. temperature range of operation
E. effectiveness of insulating material around the engine
A. 650°K
B. 600°K
C. 625°K
D. 700°K
E. 750°K
A. justified
B. not possible
C. may be possible with lot of sophistications
D. cost will be very high
E. theroretically possible
A. prevents thermal interaction
B. permits thermal interaction
C. encourages thermal interaction
D. discourages thermal interaction
E. does not exist
Which of the following statements is correct ?
A. The room will be cooled to the temperature inside the refrigerator.
B. The room will be cooled very slightly.
C. The room will be gradually warmed up.
D. The temperature of the air in room will remain unaffected.
E. any one of above is possible depending on the capacity
A. at atmospheric pressure
B. at a pressure below the firuosphejric pressure
C. at a pressure greater than atmospheric pressure
D. any pressure
E. not possible
A. heat
B. potential energy
C. surface tension
D. friction
E. increase in pressure
