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Home Mechanical Engineering Steam Boilers and Engines Comments

  • Question
  • The amount of water evaporated in kg per kg of fuel burnt is called


  • Options
  • A. evaporative capacity of a boiler
  • B. equivalent evaporation from and at 100° C
  • C. boiler efficiency
  • D. none of these

  • Correct Answer
  • evaporative capacity of a boiler 


  • Steam Boilers and Engines problems


    Search Results


    • 1. In forced circulation steam boilers, the force is applied

    • Options
    • A. to draw water
    • B. to circulate water
    • C. to drain off the water
    • D. all of these
    • Discuss
    • 2. Which of the following are boiler accessories?

    • Options
    • A. economiser
    • B. superheater
    • C. both (a) and (b)
    • D. none of these
    • Discuss
    • 3. The length of Lancashire boiler varies from

    • Options
    • A. 5 to 6 m
    • B. 6 to 7 m
    • C. 7.25 to 9 m
    • D. 9 to 10 m
    • Discuss
    • 4. A Cochran boiler is a horizontal multi-tubular boiler.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 5. The forced circulation of water does not take place in

    • Options
    • A. La-Mont boiler
    • B. Lancashire boiler
    • C. Velox boiler
    • D. Benson boiler
    • Discuss
    • 6. By compounding the expansion of steam in two or more cylinders, the ratio of expansion

    • Options
    • A. does not change
    • B. increases
    • C. decreases
    • Discuss
    • 7. The average value of diagram factor lies between

    • Options
    • A. 0.2 to 0.5
    • B. 0.5 to 0.65
    • C. 0.65 to 0.9
    • D. 0.8 to 1.2
    • Discuss
    • 8. Which of the following is a fire tube boiler?

    • Options
    • A. Lansashire boiler
    • B. Babcock and Wilcox boiler
    • C. Yarrow boiler
    • D. none of these
    • Discuss
    • 9. Fire tube boilers are limited to a maximum working pressure of

    • Options
    • A. 0.17 MN/m2
    • B. 1.7 MN/m2
    • C. 17 MN/m2
    • D. 170 MN/m2
    • Discuss
    • 10. The diameter of superheated tubes in a locomotive boiler is

    • Options
    • A. 13 mm
    • B. 31 mm
    • C. 130 mm
    • D. 230 mm
    • Discuss


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