Discussion
Home ‣ Mechanical Engineering ‣ Steam Boilers and Engines Comments
- Question
A single ended Scotch marine steam boiler may have one to four furnaces which enter from front end of the boiler.
Options- A. Correct
- B. Incorrect
- Correct Answer
- Correct
- 1. The missing quantity is mainly due to cylinder condensation and a small amount of steam leakage past the valves and piston.
Options- A. Agree
- B. Disagree Discuss
- 2. For the same diameter and thickness of tube, a water tube boiler has __________ heating surface as compared to fire tube boiler.
Options- A. more
- B. less
- C. equal Discuss
- 3. The water tube boilers produce steam at a __________ pressure than that of fire tube boilers.
Options- A. lower
- B. higher Discuss
- 4. Willian's line follows the law (where b = A constant representing the shape of the Willian's line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)
Options- A. I.P. = a x m + b
- B. m = a + b x I.P.
- C. I.P. = b x m + a
- D. m = b/I.P. - a Discuss
- 5. Willian's law holds good for throttle-governed engine, but not for cut-off governed engine.
Options- A. True
- B. False Discuss
- 6. The function of a D-slide valve is to exhaust steam from the cylinder at proper moment.
Options- A. Correct
- B. Incorrect Discuss
- 7. The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks
Options- A. 180° to each other
- B. 90° to each other
- C. 0° to each other
- D. none of these Discuss
- 8. In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is __________ the atmospheric pressure.
Options- A. equal to
- B. lower than
- C. higher than Discuss
- 9. The mechanical draught produces more draught than natural draught.
Options- A. True
- B. False Discuss
- 10. The maximum steam pressure in a Locomotive boiler is limited to
Options- A. 0.18 MN/m2
- B. 1.8 MN/m2
- C. 18 MN/m2
- D. 180 MN/m2 Discuss
Steam Boilers and Engines problems
Search Results
Correct Answer: Agree
Correct Answer: more
Correct Answer: higher
Correct Answer: m = a + b x I.P.
Correct Answer: True
Correct Answer: Correct
Correct Answer: 90° to each other
Correct Answer: higher than
Correct Answer: True
Correct Answer: 1.8 MN/m2
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.