Energy, Work and Power Multiple Choice Questions and Answers 1 PDF Book Download

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MCQ on Energy, Work & Power Test 1Quiz Book Download

MCQ: Output of a truck is 4500 J and its efficiency is 50%, input energy provided to truck is

  1. 5000 J
  2. 900 J
  3. 9000 J
  4. 500 J

C

MCQ: Potential energy and kinetic energy are types of

  1. Electrical energy
  2. Magnetic energy
  3. Thermal energy
  4. Mechanical energy

D

MCQ: In a typical power station, amid a series of energy transfers and conversions, about 70% of energy input gets wasted in form of thermal energy, efficiency of such a power station is about

  1. 0.3
  2. 0.4
  3. 0.7
  4. 1

A

MCQ: A car uses total energy of 2500 J and output is 750 J. efficiency of car is

  1. 50%
  2. 30%
  3. 25%
  4. 80%

B

MCQ: In order to do work, energy is

  1. transferred or converted
  2. used up
  3. lost
  4. lost or transferred

A