A. pressure ratio
B. maximum cycle temperature
C. minimum cycle temperature
D. all of the above
E. none of die 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. increase
B. decrease
C. remain same
D. may increase/decrease depending on clearance volume
E. none of the above
A. centrifugal pump
B. reciprocating pump
C. turbine
D. sliding vane compressor
E. none of the above
A. 1.03 kg/cm2
B. 1.06 kg/cm2
C. 1.00 kg/cm2
D. 0.53 kg/cm2
E. 0.5 kg/cm2
A. larger air handling ability per unit frontal area
B. higher pressure ratio per stage
C. aerofoil blades are used
D. higher average velocities
E. none of the above
A. 6 kg/cm2
B. 10 kg/cm2
C. 16 kg/cm2
D. 25 kg/cm2
E. 40 kg/cm2
A. isothermal compression
B. adiabatic compression
C. isentropic compression
D. polytropic compression
E. none of the above
A. air stream blocking the passage
B. motion of air at sonic velocity
C. unsteady, periodic and reversed flow
D. air stream not able to follow the blade contour
E. production of no air pressure
A. 1 : 1.2
B. 1 : 2
C. 1 : 5
D. 1 : 10
E. 1 : 1
A. compressor efficiency
B. isentropic efficiency
C. Euler’s efficiency
D. pressure coefficient
E. pressure ratio
