Discussion
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- Question
The length of Cornish boiler varies from
Options- A. 2 to 4.5 m
- B. 3 to 5 m
- C. 5 to 7.5 m
- D. 7 to 9 m
- Correct Answer
- 5 to 7.5 m
- 1. Which of the following statement is correct?
Options- A. The expansion of steam in a nozzle follows Rankine cycle.
- B. The friction in the nozzle increases the dryness fraction of steam.
- C. The pressure of steam at throat is called critical pressure.
- D. all of the above Discuss
- 2. The welding set up is said to have straight polarity, when
Options- A. work is connected to the positive terminal and the electrode holder to the negative terminal
- B. work is connected to the negative terminal and the electrode holder to the positive terminal
- C. work is connected to the positive terminal and the electrode holder is earthed
- D. work is connected to the negative terminal and the electrode holder is earthed Discuss
- 3. The change of entropy, when heat is removed from the gas, is negative.
Options- A. Yes
- B. No Discuss
- 4. In a centrifugal casting method
Options- A. core is made of sand
- B. core is made of ferrous metal
- C. core is made of non-ferrous metal
- D. no core is used Discuss
- 5. Which of the following operation is first performed?
Options- A. Spot facing
- B. Boring
- C. Tapping
- D. Drilling Discuss
- 6. The value of universal gas constant is same for all gases.
Options- A. Yes
- B. No Discuss
- 7. The temperature below which a gas is always liquified, is known as critical temperature.
Options- A. Correct
- B. Incorrect Discuss
- 8. The force induced in the string AB due to the load W, as shown in the below figure is
Options- A. W sin ?
- B. W cos ?
- C. W sec ?
- D. W cosec ? Discuss
- 9. The approximate height of a blast furnace is
Options- A. 10 m
- B. 20 m
- C. 30 m
- D. 40 m Discuss
- 10. A turbo-jet does not require a turbine to drive the compressor.
Options- A. True
- B. False Discuss
More questions
Correct Answer: all of the above
Correct Answer: work is connected to the positive terminal and the electrode holder to the negative terminal
Correct Answer: Yes
Correct Answer: no core is used
Correct Answer: Boring
Correct Answer: Yes
Correct Answer: Incorrect
Correct Answer: W cosec ?
Correct Answer: 30 m
Correct Answer: False
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