Discussion
Home ‣ Mechanical Engineering ‣ Steam Nozzles and Turbines See What Others Are Saying!
- Question
The blade velocity coefficient is ratio of relative velocity of steam at outlet tip of the blade to the relative velocity of steam at inlet tip of the blade.
Options- A. True
- B. False
- Correct Answer
- True
- 1. In spot welding, the spacing between two spot weld should not be less than
Options- A. d
- B. 1.5 d
- C. 3 d
- D. 6 d Discuss
- 2. The total energy line lies over the centre line of the pipe by an amount equal to
Options- A. pressure head
- B. velocity head
- C. pressure head + velocity head
- D. pressure head - velocity head Discuss
- 3. The efficiency of Diesel cycle increases with
Options- A. decrease in cut-off
- B. increase in cut-off
- C. constant cut-off
- D. none of these Discuss
- 4. The value of 1 mm of Hg is equal to
Options- A. 1.333 N/m2
- B. 13.33 N/m2
- C. 133.3 N/m2
- D. 1333 N/m2 Discuss
- 5. According to principle of conservation of energy, the total momentum of a system of masses in any direction remains constant unless acted upon by an external force in that direction.
Options- A. True
- B. False Discuss
- 6. The lip angle of a single point tool is usually
Options- A. 20° to 40°
- B. 40° to 60°
- C. 60° to 80°
- D. none of these Discuss
- 7. The maximum internal diameter of a blast furnace is about
Options- A. 3 m
- B. 6 m
- C. 9 m
- D. 12 m Discuss
- 8. A mortise gauge is a
Options- A. striking tool
- B. planing tool
- C. boring tool
- D. marking tool Discuss
- 9. Incoloy, Hastelloy and Vitallium are __________ temperature alloys.
Options- A. high
- B. low Discuss
- 10. The torque available at the contact between driving wheels and road is known as
Options- A. brake effort
- B. tractive effort
- C. clutch effort
- D. none of these Discuss
More questions
Correct Answer: 3 d
Correct Answer: pressure head + velocity head
Correct Answer: decrease in cut-off
Correct Answer: 133.3 N/m2
Correct Answer: False
Correct Answer: 60° to 80°
Correct Answer: 9 m
Correct Answer: marking tool
Correct Answer: high
Correct Answer: tractive effort
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