A. carries its own oxygen
B. uses surrounding air
C. uses compressed atmospheric air
D. does not require oxygen
E. depends on electrical energy supplied by solar cells
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. liquid hydrogne
B. high speed diesel oil
C. kerosene
D. demethylated spirit
E. methyl alcohol
A. mass
B. energy
C. flow
D. linear momentum
E. angular momentum
A. reduction of speed of incoming air and conversion of part of it into pressure energy
B. compression of inlet air
C. increasing speed of incoming air
D. lost work
E. leakage losses
A. less
B. more
C. same
D. may be less or more depending on ambient conditons
E. unpredictable
A. increase in net output but decrease in thermal efficiency
B. increase in thermal efficiency but decrease in net output
C. increase in both thermal efficiency and net output
D. decrease in both thermal efficiency and net output
E. none of the above
A. isothermal
B. isentropic
C. adiabatic
D. isochoric
E. isobaric
A. high calorific value
B. ease of atomisation
C. low freezing point
D. A. and C. above
E. none of the above
A. peopeller
B. diffuser
C. intercooler
D. turbine and combustion chamber
E. starting engine
A. vacuum
B. atmospheric air
C. compressed air
D. oxygen alone
E. liquid hydrogen
