Heads and Efficiencies in Centrifugal Pumps MCQ

Test your knowledge with important Heads and Efficiencies in Centrifugal Pumps MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Heads and Efficiencies in Centrifugal Pumps MCQs on Bissoy. Bissoy App

• Which among the following is used in mineral industries?
  ক

  Vertical pumps

  খ

  Horizontal pumps

  গ

  Froth pumps

  ঘ

  Multistage pumps
• Vertical pumps utilize unique shaft and bearing support configuration.
  ক

  True

  খ

  False
• With increase in power, the efficiency_________
  ক

  Decreases

  খ

  Increases

  গ

  Remains same

  ঘ

  Independent
• Vertical centrifugal pumps are also called as cantilever pumps.
  ক

  True

  খ

  False
• PHE stands for __________
  ক

  Pump Hydraulic efficiency

  খ

  Pressure Hydraulic efficiency

  গ

  Power Hydraulic efficiency

  ঘ

  Pump hydraulic engine
• Power is most commonly expressed as ________
  ক

  m

  খ

  kW

  গ

  m3/s

  ঘ

  /s
• The head added by the pump is a sum of _________
  ক

  Pressure

  খ

  Static lift

  গ

  Volume

  ঘ

  Flow rate
• With the increase in energy head, efficiency ________
  ক

  Decreases

  খ

  Increases

  গ

  Remains same

  ঘ

  Independent
• What is the unit of energy head?
  ক

  m

  খ

  m/s

  গ

  m3/s

  ঘ

  /s
• The ratio of manometric head to the work head is called _______
  ক

  Manometric head

  খ

  Euler head

  গ

  Pressure head

  ঘ

  Shaft head
• The difference in the total head of the pump is called _______
  ক

  Manometric head

  খ

  Euler head

  গ

  Pressure head

  ঘ

  Shaft head
• Pump efficiency is defined as the ratio of ___________
  ক

  Pressure to temperature

  খ

  Temperature to pressure

  গ

  Water horsepower to pump horsepower

  ঘ

  Pump horse power to water horse power
• With the increase in the flow rate, efficiency ______
  ক

  Decreases

  খ

  Increases

  গ

  Remains same

  ঘ

  Independent
• What is the unit of flow rate?
  ক

  kg.m

  খ

  kg/m

  গ

  m3/s

  ঘ

  /s