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MCQs

Total Questions : 322 | Page 6 of 33 pages
Question 51. _______ will offer the least load.
  1.    Vacuum cleaner
  2.    Television
  3.    Hair dryer
  4.    Electric shaver
 Discuss Question
Answer: Option D. -> Electric shaver
Question 52. Which of the following should be used for extinguishing electrical fires ?
  1.    Water
  2.    Carbon tetrachloride fire extinguisher
  3.    Foam type fire extinguisher
  4.    CO2 fire extinguisher
 Discuss Question
Answer: Option B. -> Carbon tetrachloride fire extinguisher
Question 53. Ships are generally powered by
  1.    nuclear power plants
  2.    hydraulic turbines
  3.    diesel engines
  4.    steam accumulators
  5.    none of the above
 Discuss Question
Answer: Option C. -> diesel engines
Question 54. Offers the highest electric load.
  1.    Television set
  2.    Toaster
  3.    Vacuum cleaner
  4.    Washing machine
 Discuss Question
Answer: Option B. -> Toaster
Question 55. Air will not be the working substance in which of the following ?
  1.    Closed cycle gas turbine
  2.    Open cycle gas turbine
  3.    Diesel engine
  4.    Petrol engine
 Discuss Question
Answer: Option A. -> Closed cycle gas turbine
Question 56. Submarines for under water movement, are powered by which of the following ?
  1.    Steam accumulators
  2.    Air motors
  3.    Diesel engines
  4.    Batteries
 Discuss Question
Answer: Option D. -> Batteries
Question 57. When the demand of consumers is not met by a power plant, it will resort to which of the following ?
  1.    Load shedding
  2.    Power factor improvement at the , generators
  3.    Penalising high load consumers by increasing the charges for electricity
  4.    Efficient plant operation
 Discuss Question
Answer: Option A. -> Load shedding
Question 58. In power plants insurance cover is provided for which of the following ?
  1.    Unskilled workers only
  2.    Skilled workers only
  3.    Equipment only
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 59. Load shedding is possible through which of the following ?
  1.    Switching of the loads
  2.    Frequency reduction
  3.    Voltage reduction
  4.    Any of the above
 Discuss Question
Answer: Option D. -> Any of the above
Question 60. Following power plant has instant starting
  1.    nuclear power plant
  2.    hydro power plant
  3.    diesel power plant
  4.    both (B) and (C)
  5.    none of the above
 Discuss Question
Answer: Option D. -> both (B) and (C)

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