logo

CuriousTab

CuriousTab

Discussion

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

  • Babcock and Wilcox boiler is a stationary type of water tube boiler.


  • Options
  • A. Correct
  • B. Incorrect

  • Correct Answer
  • Correct 

    • Steam Boilers and Engines problems

    Search Results

    • 1. Lancashire boiler is a stationary fire tube boiler.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. Blow off cock in a boiler is used to

    • Options
    • A. control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required
    • B. empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler
    • C. put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit
    • D. increase the temperature of saturated steam without raising its pressure
      • Discuss
    • 3. Which of the following is required for a steam condensing plant?

    • Options
    • A. Condenser
    • B. Condensate pump
    • C. Air extraction pump
    • D. all of these
      • Discuss
    • 4. When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

    • Options
    • A.
    • B.
    • C.
    • D. none of these
      • Discuss
    • 5. The ratio of the volume at cut-off to the swept volume is called

    • Options
    • A. cut-off ratio
    • B. expansion ratio
    • C. clearance ratio
    • D. none of these
      • Discuss
    • 6. The cylindrical shell of a Lancashire boiler has diameter from

    • Options
    • A. 1 to 2 m
    • B. 1.25 to 2.25 m
    • C. 1.5 to 2.5 m
    • D. 1.75 to 2.75 m
      • Discuss
    • 7. The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

    • Options
    • A. equivalent evaporation
    • B. factor of evaporation
    • C. boiler efficiency
    • D. power of a boiler
      • Discuss
    • 8. Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)

    • Options
    • A.
    • B.
    • C. I.P.
    • D. (I.P.)2
      • Discuss
    • 9. Which of the following boiler works on a forced circulation of water?

    • Options
    • A. La-mont boiler
    • B. Benson boiler
    • C. Loeffler boiler
    • D. all of these
      • Discuss
    • 10. In a single acting steam engine

    • Options
    • A. the steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft
    • B. the steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
    • C. the steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft
    • D. the steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft.
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.