Turbines MCQ

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

• Into how many types can you classify turbines on basis of head at inlet?
  ক

  3

  খ

  4

  গ

  6

  ঘ

  5
• Into how many types can you classify radial flow turbines?
  ক

  4

  খ

  3

  গ

  6

  ঘ

  2
• How many types of turbines can you classify on the basis of direction of flow through runner?
  ক

  6

  খ

  3

  গ

  4

  ঘ

  7
• IN what type of turbine water enters in radial direction and leaves axial direction?
  ক

  Tangential flow turbine

  খ

  Axial flow turbine

  গ

  Outward flow turbine

  ঘ

  Mixed flow turbine
• Which kind of turbine is a Pelton Wheel turbine?
  ক

  Tangential flow turbine

  খ

  Radial flow turbine

  গ

  Outward flow turbine

  ঘ

  Inward flow turbine
• The working of which of the following hydraulic units is based on Pascal’s law?
  ক

  Air lift pump

  খ

  Hydraulic coupling

  গ

  Hydraulic press

  ঘ

  Jet pump
• Consider an inward flow reaction turbine, here, water _______
  ক

  Flows parallel to the axis of the wheel

  খ

  Enters the wheel at the outer periphery and then flows towards the centre of the wheel

  গ

  Flow is partly radial and partly axial

  ঘ

  Enters at the centre of the wheel and then flows towards the outer periphery of the wheel
• In reaction turbine hydraulic efficiency is______________
  ক

  Ratio of actual work at the turbine to the energy imparted to the wheel

  খ

  Ratio of work done on the wheel to energy that is supplied to the turbine

  গ

  Ratio of power produced by the turbine to the energy actually supplied by the turbine

  ঘ

  Ratio of Work done on the wheel to the energy (or head of water) actually supplied to the turbine
• In a reaction turbine, the draft tube is used to _________
  ক

  To increase the head of water by an amount that is equal to the height of the runner outlet above the tail race

  খ

  To prevent air to enter the turbine

  গ

  To increase pressure energy of water

  ঘ

  To transport water to downstream
• The overall efficiency of a reaction turbine is the ratio of
  ক

  Actual work available at the turbine to the energy imparted to the wheel

  খ

  Work done on the wheel to the energy (or head of water) actually supplied to the turbine

  গ

  Power produced by the turbine to the energy actually supplied by the turbine

  ঘ

  Actual work available at the turbine to energy imparted to the wheel
• Maximum Number of jets, generally, employed in an impulse turbine without jet interference can be?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  6
• Which kind of turbine is a Fourneyron Turbine?
  ক

  Inward flow turbine

  খ

  Outward flow turbine

  গ

  Mixed flow turbine

  ঘ

  Radial flow turbine
• Turgo Turbine is an impulsive turbine.
  ক

  True

  খ

  False
• How many types of Reaction turbines are there?
  ক

  5

  খ

  4

  গ

  3

  ঘ

  9
• Which type of turbine is a Francis Turbine?
  ক

  Impulse Turbine

  খ

  Screw Turbine

  গ

  Reaction turbine

  ঘ

  Turgo turbine
• Which type of turbine is used to change the velocity of the water through its flow?
  ক

  Kinetic turbines

  খ

  Axial flow turbines

  গ

  Impulse turbines

  ঘ

  Reaction turbines
• Which kind of turbines changes the pressure of the water entered through it?
  ক

  Reaction turbines

  খ

  Impulse turbines

  গ

  Reactive turbines

  ঘ

  Kinetic turbines
• Hydraulic Machines fall under the category :
  ক

  Pulverizers

  খ

  Kinetic machinery

  গ

  Condensers

  ঘ

  Roto-dynamic machinery
• _______________is the electric power obtained from the energy of the water.
  ক

  Roto dynamic power

  খ

  Thermal power

  গ

  Nuclear power

  ঘ

  Hydroelectric power
• Buckets and blades used in a turbine are used to:
  ক

  Alter the direction of water

  খ

  Switch off the turbine

  গ

  To regulate the wind speed

  ঘ

  To regenerate the power
• Which principle is used in Hydraulic Turbines?
  ক

  Faraday law

  খ

  Newton’s second law

  গ

  Charles law

  ঘ

  Braggs law
• In hydraulic turbines, inlet energy is greater than the outlet energy.
  ক

  True

  খ

  False
• Hydraulic energy is converted into another form of energy by hydraulic machines. What form of energy is that?
  ক

  Mechanical Energy

  খ

  Electrical Energy

  গ

  Nuclear Energy

  ঘ

  Elastic Energy