πŸ“Š Energy Conversion
Q. Long distance electric trains take power on
  • (A) 25 kV three phase ac
  • (B) 1500 V dc
  • (C) 600 V dc
  • (D) 25 kV single phase ac
πŸ’¬ Discuss
βœ… Correct Answer: (D) 25 kV single phase ac
πŸ“Š Energy Conversion
Q. Which lamp is used for cinerma projectors
  • (A) Carbon arc lamp
  • (B) Frosted GLS lamp
  • (C) Mercury vapour lamp
  • (D) Sodium vapour lamp
πŸ’¬ Discuss
βœ… Correct Answer: (A) Carbon arc lamp
πŸ“Š Energy Conversion
Q. Heavy water is used in a nuclear power plant as a
  • (A) Fuel
  • (B) Reflector
  • (C) Moderator
  • (D) Shield
πŸ’¬ Discuss
βœ… Correct Answer: (C) Moderator
πŸ“Š Energy Conversion
Q. The power factor of a three phase induction motor at no load will be
  • (A) 0.5 to 0.6 leading
  • (B) 0.2 to 0.3 lagging
  • (C) Zero
  • (D) 0.2 to 0.3 leading
πŸ’¬ Discuss
βœ… Correct Answer: (B) 0.2 to 0.3 lagging
πŸ“Š Energy Conversion
Q. The power factor of a load of 100 kW is to be raised from 0.5 lagging to 0.9 lagging. The KVA rating of the capacitor will be
  • (A) 125
  • (B) 212.5
  • (C) 25
  • (D) 12.5
πŸ’¬ Discuss
βœ… Correct Answer: (A) 125
πŸ“Š Energy Conversion
Q. One kilowatt hour is equal to
  • (A) 8600,000 calories
  • (B) 86,000,000 calories
  • (C) 860,000 calories
  • (D) 86,000 calories
πŸ’¬ Discuss
βœ… Correct Answer: (C) 860,000 calories
πŸ“Š Energy Conversion
Q. 1 kilowatt hour is the same as
  • (A) 1 joule
  • (B) 1000 watt-sec
  • (C) 1000 joules
  • (D) 3600,000 watt-sec
πŸ’¬ Discuss
βœ… Correct Answer: (D) 3600,000 watt-sec
πŸ“Š Energy Conversion
Q. A tidal power plant is being installed in India near
  • (A) Bay of Bengal
  • (B) Vishakhapatnam
  • (C) Gulf of Cambay
  • (D) Goa
πŸ’¬ Discuss
βœ… Correct Answer: (C) Gulf of Cambay
πŸ“Š Energy Conversion
Q. Water is fed to the boiler at
  • (A) Atmospheric pressure
  • (B) At 100 kg/cm2
  • (C) Less than atmospheric pressure
  • (D) At pressure more than the steam pressure
πŸ’¬ Discuss
βœ… Correct Answer: (D) At pressure more than the steam pressure

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