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MCQs

Total Questions : 322 | Page 9 of 33 pages
Question 81. Which of the following is not necessarily an advantage of interconnecting various power stations?
  1.    Improved frequency of power supplied
  2.    Reduction in total installed capacity
  3.    Increased reliability
  4.    Economy in operation of plants
 Discuss Question
Answer: Option A. -> Improved frequency of power supplied
Question 82. In a power plant if the maximum demand on the plant is equal to the plant capacity, then
  1.    Plant reserve capacity will be zero
  2.    Diversity factor will be unity
  3.    Load factor will be unity
  4.    Load factor will be nearly 60%
 Discuss Question
Answer: Option A. -> Plant reserve capacity will be zero
Question 83. Which of the following is not a method for estimating depreciation charges?
  1.    Sinking fund method
  2.    Straight line method
  3.    Diminishing value method
  4.    Halsey
 Discuss Question
Answer: Option D. -> Halsey
Question 84. A low utilization factor for a plant indicates that
  1.    plant is used for stand by purpose only
  2.    plant is under maintenance
  3.    plant is used for base load only
  4.    plant is used for peak load as well as base load
 Discuss Question
Answer: Option A. -> plant is used for stand by purpose only
Question 85. The area under a load curve gives
  1.    average demand
  2.    energy consumed
  3.    maximum demand
  4.    none of the above
 Discuss Question
Answer: Option B. -> energy consumed
Question 86. The connected load of a IVMIM uir consumer is around
  1.    5 kW
  2.    40 kV
  3.    80 kW
  4.    120 kW
 Discuss Question
Answer: Option A. -> 5 kW
Question 87. Static capacitors are rated in terms of
  1.    kW
  2.    kWh
  3.    kVAR
  4.    none of the above
 Discuss Question
Answer: Option C. -> kVAR
Question 88. For the same cylinder dimensions and speed, which of the following engine will produce least power?
  1.    Supercharged engine
  2.    Diesel engine
  3.    Petrol engine
  4.    All of the above engines will equal power
 Discuss Question
Answer: Option C. -> Petrol engine
Question 89. For which of the following power plants highly skilled engineers are required for running the plants?
  1.    Nuclear power plants
  2.    Gas turbine power plants
  3.    Solar power plants
  4.    Hydro-electric power plants
 Discuss Question
Answer: Option A. -> Nuclear power plants
Question 90. Which of the following, in a thermal power plant, is not a fixed cost?
  1.    Fuel cost
  2.    Interest on capital
  3.    Depreciation
  4.    Insurance charges
 Discuss Question
Answer: Option A. -> Fuel cost

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