Constituents of Steam Power Plant MCQ

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• Which of the following is a part of air and fuel gas circuit?
  ক

  Condenser

  খ

  Economiser
• Read the following statements about feed water heaters I. Open or contact heaters are also called Deaerator. II. Open or contact heaters constructed to remove non-condensable gases from feed water.
  ক

  Only statement I. is correct

  খ

  Only statement II. is correct

  গ

  I. and II. are correct

  ঘ

  I. and II. are wrong
• Which of the following statement about economiser of steam power plant is wrong?
  ক

  Economiser increases the Boiler Efficiency about 5 to 15%

  খ

  It uses the heat of flue gases used by boiler going to the chimney.

  গ

  Economiser increases the temperature of intake air

  ঘ

  It require regular maintenance and cleaning
• Which of the following material is not used in the boiler furnace walls?
  ক

  Fire clay

  খ

  Concrete

  গ

  Silica

  ঘ

  Kaolin
• Fire tube boilers are safer than water tube boilers.
  ক

  True

  খ

  False
• Read the following statement about boilers. I. Water tube boiler is capable of generating steam of pressure more than 50 kg/cm2 . II. Fire tube boiler is suitable for generating steam of pressure less than 17.5 kg/cm2 . III. Water tube boiler occupy comparatively less space.
  ক

  Only statement I is true

  খ

  Statement I, II and III are true

  গ

  I and II are true but III is false

  ঘ

  I and III are true but II is false
• What is the principle of operation of steam power plant?
  ক

  Carnot cycle

  খ

  Brayton cycle

  গ

  Stirling cycle

  ঘ

  Rankine cycle