πŸ“Š Energy Conversion
Q. Which of the following material has the best conductivity?
  • (A) Cadmium copper
  • (B) Aluminium
  • (C) Copper
  • (D) 5.71
πŸ’¬ Discuss
βœ… Correct Answer: (C) Copper
πŸ“Š Energy Conversion
Q. The voltage of a 2 wire de system is raised from 200 V to 400 V. For the same power transmitted over the same distance and for the same power loss, the saving in conductor copper will be
  • (A) 75%
  • (B) 60%
  • (C) 25%
  • (D) 40%
πŸ’¬ Discuss
βœ… Correct Answer: (A) 75%
πŸ“Š Energy Conversion
Q. Coal rank classifies coal according to its
  • (A) carbon percentage
  • (B) ash content
  • (C) degree of metamorphism
  • (D) density
πŸ’¬ Discuss
βœ… Correct Answer: (C) degree of metamorphism
πŸ“Š Energy Conversion
Q. The capacity of generators being installed in super-thermal power plant is
  • (A) 220 MW
  • (B) 400 MW
  • (C) 100 MW
  • (D) 500 MW
πŸ’¬ Discuss
βœ… Correct Answer: (D) 500 MW
πŸ“Š Energy Conversion
Q. The disadvantage of renewable sources of energy is
  • (A) lack of dependability
  • (B) availability in low energy densities
  • (C) intermittency
  • (D) All of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All of the above
πŸ“Š Energy Conversion
Q. Corona usually occurs when the electrostatic stress in the air around the conductor exceeds
  • (A) 32 kV (maximum values)/cm
  • (B) 22 kV (maximum value)/cm
  • (C) 11 kV (rms value)/cm
  • (D) 6.6 kV (rms value)/cm
πŸ’¬ Discuss
βœ… Correct Answer: (A) 32 kV (maximum values)/cm
πŸ“Š Energy Conversion
Q. Exosphere is the space beyond the earth's atmosphere. It begins at a height of about
  • (A) 100 km
  • (B) 220 km
  • (C) 400 km
  • (D) 1000 km
πŸ’¬ Discuss
βœ… Correct Answer: (D) 1000 km
πŸ“Š Energy Conversion
Q. Which of the following power plant can be installed within the shortest possible time?
  • (A) Gas turbine power plant
  • (B) Hydro-electric power plant
  • (C) Steam power plant
  • (D) Diesel engine power plant
πŸ’¬ Discuss
βœ… Correct Answer: (D) Diesel engine power plant
πŸ“Š Energy Conversion
Q. Hopkinson demand rate curve is a
  • (A) one part tariff
  • (B) two part tariff
  • (C) three part tariff
  • (D) four part tariff
πŸ’¬ Discuss
βœ… Correct Answer: (B) two part tariff
πŸ“Š Energy Conversion
Q. API gravity is expressed in terms of
  • (A) gm/cc
  • (B) dimensionless numbers
  • (C) degrees
  • (D) None of the above
πŸ’¬ Discuss
βœ… Correct Answer: (C) degrees

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