Mechanical Engineering : Compressors QUESTIONS AND ANSWERS :: part4 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.Open cycle gas turbine works on |
| Brayton or Atkinson cycle |
| ankine cycle |
| Carnot cycle |
| Erricsson cycle |
| Joule cycle. |
7.Stalling of blades in axial flow compressor is the phenomenon of |
| air stream blocking the passage |
| motion of air at sonic velocity |
| unsteady periodic and reversed flow |
| air stream not able to follow the blade contour |
| production of no air pressure. |
8.Atmospheric pressure is 1.03 kg/cm and vapor pressure is 0.03 kg/cm . The air pressure will be |
| 1.03 kg/cm2 |
| 1.06 kg/cm2 |
| 1.00 kg/cm2 |
| 0.53 kg/cm2 |
| 0.5 kg/cm2. |
9.The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called |
| pressure ratio |
| pressure coefficient |
| degree of reaction |
| slip factor |
| stage factor. |
10.Rotary compressors are suitable for |
| large discharge at high pressure |
| low discharge at high pressure |
| large discharge at low pressure |
| low discharge at low pressure |
| there is no such limitation. |
More Compressors QUESTIONS AND ANSWERS available in next pages
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