Discussion
Home ‣ Mechanical Engineering ‣ Compressors, Gas Dynamics and Gas Turbines See What Others Are Saying!
- Question
In n1 and n2 are the indices of compression for the first and second stage of compression, then the ratio of workdone on the first and second stages (W1/W2) with perfect intercoooing is given by
Options- A.
- B.
- C.
- D.
- Correct Answer
-
- 1. Hot piercing is extensively used for making bolts and nuts.
Options- A. Yes
- B. No Discuss
- 2. A Francis turbine is an outward flow reaction turbine.
Options- A. True
- B. False Discuss
- 3. The negative acceleration is called retardation.
Options- A. True
- B. False Discuss
- 4. When the spring of a watch is wound, it will possess
Options- A. strain energy
- B. kinetic energy
- C. heat energy
- D. electrical energy Discuss
- 5. An alloy of copper, tin and zinc is known as
Options- A. brass
- B. bronze
- C. gun metal
- D. muntz metal Discuss
- 6. In electro-chemical machining, the gap between the tool and work is kept as
Options- A. 0.1 mm
- B. 0.25 mm
- C. 0.4 mm
- D. 0.75 mm Discuss
- 7. The pressure of steam at throat of a steam nozzle is called critical pressure.
Options- A. Agree
- B. Disagree Discuss
- 8. Which part of the automobile tyre is subjected to greatest flexing action?
Options- A. Bead
- B. Side wall
- C. Shoulder
- D. Tread Discuss
- 9. Tension in the cable supporting a lift is more when the lift is moving __________ with an acceleration.
Options- A. upwards
- B. downwards Discuss
- 10. Parson's reaction turbine is a __________ reaction turbine.
Options- A. 40 percent
- B. 50 percent
- C. 60 percent
- D. 70 percent Discuss
More questions
Correct Answer: No
Correct Answer: False
Correct Answer: True
Correct Answer: strain energy
Correct Answer: gun metal
Correct Answer: 0.75 mm
Correct Answer: Agree
Correct Answer: Side wall
Correct Answer: upwards
Correct Answer: 50 percent
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.