Discussion
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- Question
Workdone during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and ? = Ratio of specific heats)
Options- A.
- B.
- C.
- D. all of these
- Correct Answer
- all of these
- 1. The discharge is __________ at critical pressure.
Options- A. zero
- B. minimum
- C. maximum Discuss
- 2. The heating and expanding of a gas is called thermodynamic system.
Options- A. Yes
- B. No Discuss
- 3. The workdone in a free expansion process is zero.
Options- A. True
- B. False Discuss
- 4. The rivets are used for __________ fastenings.
Options- A. permanent
- B. temporary Discuss
- 5. The limit of eccentricity is based upon no tension condition.
Options- A. True
- B. False Discuss
- 6. A file with 50 - 60 teeth in 25 mm is called bastard file.
Options- A. True
- B. False Discuss
- 7. Blast furnace is used to produce
Options- A. pig iron
- B. cast iron
- C. wrought iron
- D. steel Discuss
- 8. In welding aluminium with TIG arc welding, alternating current is used.
Options- A. Correct
- B. Incorrect Discuss
- 9. German silver contains
Options- A. 1% silver
- B. 2% silver
- C. 5% silver
- D. no silver Discuss
- 10. 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
More questions
Correct Answer: maximum
Correct Answer: No
Correct Answer: True
Correct Answer: permanent
Correct Answer: True
Correct Answer: False
Correct Answer: pig iron
Correct Answer: Correct
Correct Answer: no silver
Correct Answer: 1 in 20
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