Discussion
Home ‣ Mechanical Engineering ‣ Compressors, Gas Dynamics and Gas Turbines See What Others Are Saying!
- Question
Which of the following statement is correct?
Options- A. The ratio of the discharge pressure to the inlet pressure of air is called compressor efficiency.
- B. The compression ratio for the compressor is always greater than unity.
- C. The compressor capacity is the ratio of workdone per cycle to the stroke volume.
- D. During isothermal compression of air, the workdone in a compressor is maximum.
- Correct Answer
- The compression ratio for the compressor is always greater than unity.
- 1. Blast furnace is used to produce
Options- A. pig iron
- B. cast iron
- C. wrought iron
- D. steel Discuss
- 2. In welding aluminium with TIG arc welding, alternating current is used.
Options- A. Correct
- B. Incorrect Discuss
- 3. German silver contains
Options- A. 1% silver
- B. 2% silver
- C. 5% silver
- D. no silver Discuss
- 4. The taper on the lathe spindle is
Options- A. 1 in 10
- B. 1 in 15
- C. 1 in 20
- D. 1 in 30 Discuss
- 5. In twist fluted drills, chips do not move out automatically.
Options- A. Correct
- B. Incorrect Discuss
- 6. Petrol is distilled at
Options- A. 65° to 220°C
- B. 220° to 345°C
- C. 345° to 470°C
- D. 470° to 550°C Discuss
- 7. Laminar flow __________ place at very low velocities.
Options- A. takes
- B. does not take Discuss
- 8. An overhanging beam must overhang on both sides.
Options- A. Correct
- B. Incorrect Discuss
- 9. The path of the projectile is a parabola.
Options- A. True
- B. False Discuss
- 10. Nichrome contains more iron than Inconel.
Options- A. Agree
- B. Disagree Discuss
More questions
Correct Answer: pig iron
Correct Answer: Correct
Correct Answer: no silver
Correct Answer: 1 in 20
Correct Answer: Incorrect
Correct Answer: 65° to 220°C
Correct Answer: takes
Correct Answer: Correct
Correct Answer: True
Correct Answer: Agree
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