Hydro Electric Power MCQ

Test your knowledge with important Hydro Electric Power MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Hydro Electric Power MCQs at Bissoy

• The Pumps in series operation allow the head to increase and the pumps in parallel operation increase the flow rate.
  ক

  True

  খ

  False
• Pick the correct choice of turbine required to generate 10,000 HP under a head of 81 m while working at a speed of 500 rpm.
  ক

  Pelton

  খ

  Kaplan

  গ

  Bulb

  ঘ

  Francis
• A draft tube is essentially required for impulse type turbines.
  ক

  True

  খ

  False
• If the specific speed in revolution per minute of a turbine is in between 60 to 300, the type of the turbine is ________________
  ক

  Pelton turbine

  খ

  Francis turbine

  গ

  Propeller turbine

  ঘ

  Kaplan turbine
• If two identical pumps each capable to deliver a discharge Q against a head H are connected ___________________________
  ক

  in parallel, the resulting discharge is 2Q against a head H

  খ

  in parallel, the resulting discharge is Q against a head of 2H

  গ

  in series, the resulting discharge is 2Q against a head H

  ঘ

  in series, the resulting discharge is Q against a head 2H
• For a hydropower plant working on 150 m head, the water is sandy and the load on the plant is highly variable. Which type of turbine will generally be recommended?
  ক

  Pelton Turbine

  খ

  Francis turbine

  গ

  Kaplan turbine

  ঘ

  Propeller turbine
• For a hydropower plant having 150 m head of stored water behind the dam. The water in the reservoir is clear and load on the powerhouse is not likely to fluctuate much. Which type of turbine will be suitable for the same?
  ক

  Pelton turbine

  খ

  Francis turbine

  গ

  Kaplan turbine

  ঘ

  Propeller turbine
• In a Francis turbine, the water flows through a closed draft tube.
  ক

  True

  খ

  False
• In a reaction turbine like a Francis turbine or a Kaplan turbine ______________
  ক

  the potential head of water is totally changed into the kinetic head

  খ

  the potential head of water is partially changed into the kinetic head

  গ

  the potential head of water is not at all changed into the kinetic head

  ঘ

  the change of potential head of water totally or partially depends on other factors as well
• An impulse turbine like a Pelton’s turbine is __________________________
  ক

  an open body exposed to the atmosphere

  খ

  a closed body not exposed to the atmosphere

  গ

  a partially open and partially closed body

  ঘ

  depends on the design requirements
• Kaplan turbines are found to be more versatile and costly in their initial cost as compared to propeller turbines.
  ক

  True

  খ

  False
• An impulse turbine is essentially a __________________
  ক

  low-speed turbine and is used for high heads

  খ

  low-speed turbine and is used for low heads

  গ

  high-speed turbine and is used for high heads

  ঘ

  high-speed turbine and is used for low heads
• Which of the following is turbine is used for medium heads ranging from 25 to 150 meters?
  ক

  Pelton turbine

  খ

  Kaplan turbine

  গ

  Francis turbine

  ঘ

  Propeller turbine
• Which of the following is an example of an impulse turbine?
  ক

  Pelton turbine

  খ

  Francis turbine

  গ

  Kaplan turbine

  ঘ

  Propeller turbine