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Home ‣ Mechanical Engineering ‣ Steam Boilers and Engines Comments
  • Question

  • The function of a D-slide valve is to exhaust steam from the cylinder at proper moment.


  • Options
  • A. Correct
  • B. Incorrect

  • Correct Answer
  • Correct 

    • Steam Boilers and Engines problems

    Search Results

    • 1. 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
      • Discuss
    • 2. 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
    • 3. 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
    • 4. The water tube boilers produce steam at a __________ pressure than that of fire tube boilers.

    • Options
    • A. lower
    • B. higher
      • Discuss
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. The mechanical draught produces more draught than natural draught.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. 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
    • 10. The motion of a D-slide valve in a steam engine is simple harmonic.

    • Options
    • A. Yes
    • B. No
      • Discuss

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