MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For uncooled rotary compressor, compression process is ____ while ideal process is ____ |
| A. | isothermal, adiabatic |
| B. | isentropic, adiabatic |
| C. | adiabatic, isentropic |
| D. | adiabatic, isothermal |
| Answer» D. adiabatic, isothermal | |
| 2. |
Which of the following is true for an axial-flow compressor? |
| A. | blades are arranged in same manner as in reaction turbine |
| B. | flow of air is along the axis of compressor |
| C. | velocity of air changes when it passes through the blades |
| D. | all of the mentioned |
| Answer» E. | |
| 3. |
Which of the following is true for a centrifugal compressor? |
| A. | rotation of impeller compresses the air |
| B. | diffuser converts part of KE into internal energy |
| C. | typical pressure ratio is around 1.4 to 1 |
| D. | all of the mentioned |
| Answer» E. | |
| 4. |
The centrifugal and axial flow compressor are the types of |
| A. | displacement compressor |
| B. | steady-flow compressor |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» C. both of the mentioned | |
| 5. |
The vane type compressor requires ____ the Roots blower. |
| A. | equal work input |
| B. | more work input |
| C. | less work input |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |