Centrifugal Compressors Design Calculations MCQ

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• Rotating speed of centrifugal compressor is __________ function of diameter to be maintained.
  ক

  inverse

  খ

  direct

  গ

  point

  ঘ

  none of the mentioned
• Centrifugal compressor delivers ____________ flow capacity.
  ক

  high

  খ

  low

  গ

  medium

  ঘ

  none of the mentioned
• In centrifugal compressor centrifugal energy present in the gas is utilized to ___________
  ক

  compress

  খ

  increase temperature

  গ

  radial

  ঘ

  none of the mentioned
• In centrifugal compressor flow is ____________
  ক

  radial

  খ

  Perpendicular

  গ

  radial & Perpendicular

  ঘ

  none of the mentioned
• Centrifugal compressor is an __________
  ক

  irreversible process

  খ

  quasi static process

  গ

  reversible process

  ঘ

  none of the mentioned
• Navier stokes equation is conservation of ____________
  ক

  Mass

  খ

  Momentum

  গ

  Mass & Momentum

  ঘ

  None of the mentioned
• Continuity equation can be applied to centrifugal compressor.
  ক

  True

  খ

  False
• Head in centrifugal compressor is __________ to square of the time.
  ক

  directly proportional

  খ

  equal to

  গ

  inversly proportional

  ঘ

  none of the mentioned
• Flow in a centrifugal compressor is inversely proportional to _______
  ক

  Time

  খ

  Square of time

  গ

  Cube of time

  ঘ

  None of the mentioned
• No of dimensions used in centrifugal compressors are ____________
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4