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

  • The maximum heat loss is a boiler occurs due to


  • Options
  • A. moisture in fuel
  • B. dry flue gases
  • C. steam formation
  • D. unburnt carbon

  • Correct Answer
  • dry flue gases 

    • Steam Boilers and Engines problems

    Search Results

    • 1. In water tube boilers, the water passes through the tubes which are surrounded by flames and hot gases.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 2. The ratio of the __________ to the volume at cut-off is called expansion ratio.

    • Options
    • A. swept volume
    • B. clearance volume
      • Discuss
    • 3. The chimney draught varies with

    • Options
    • A. climatic conditions
    • B. temperature of furnace gases
    • C. height of chimney
    • D. all of these
      • Discuss
    • 4. The evaporative capacity of a boiler is defined as the evaporation of 15.653 kg of water per hour from and at 100° C.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 5. The efficiency of the plant __________ with the mechanical draught.

    • Options
    • A. increases
    • B. decreases
    • C. remains constant
      • Discuss
    • 6. A Tandem type compound engine requires a larger flywheel.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Benson boiler is a __________ water tube steam boiler using forced circulation of water.

    • Options
    • A. low pressure
    • B. high pressure
      • Discuss
    • 8. A closed vessel made of steel and used for the generation of steam is called a

    • Options
    • A. steam boiler
    • B. steam turbine
    • C. steam condenser
    • D. steam injector
      • Discuss
    • 9. The high pressure and low pressure cylinders in a Tandem 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
    • 10. A good steam boiler is one which produces maximum quantity of steam with the given fuel

    • Options
    • A. Agree
    • B. Disagree
      • Discuss

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