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MCQs

Total Questions : 322 | Page 26 of 33 pages
Question 251. 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 252. Direct conversion of heat into electrical energy is possible through____________?
  1.    fuel cells
  2.    solar cells
  3.    MHD generators
  4.    none of the above
 Discuss Question
Answer: Option C. -> MHD generators
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 253. Power plant is expected to have the longest life?
  1.    Steam
  2.    Diesel
  3.    Hydroelectric
  4.    Any of the above
 Discuss Question
Answer: Option C. -> Hydroelectric
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 254. The increased load during summer months is due to____________?
  1.    increased business activity
  2.    increased water supply
  3.    increased use of fans and air conditioners
  4.    none of the above
 Discuss Question
Answer: Option C. -> increased use of fans and air conditioners
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 255. ____________is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order.
  1.    Hot reserve
  2.    Cold reserve
  3.    Spinning reserve
  4.    Firm power
 Discuss Question
Answer: Option B. -> Cold reserve
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 256. For which of the following power plants highly skilled engineers are required for running the plants?
  1.    Solar power plants
  2.    Gas turbine power plants
  3.    Nuclear power plants
  4.    Hydro-electric power plants
 Discuss Question
Answer: Option C. -> Nuclear power plants
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 257. 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 258. A synchronous condenser is virtually which of the following?
  1.    Induction motor
  2.    Under excited synchronous motor
  3.    Over excited synchronous motor
  4.    D.C. generator
 Discuss Question
Answer: Option C. -> Over excited synchronous motor
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 259. Which of the following is the disadvantage due to low power factor?
  1.    Poor voltage regulation
  2.    Increased transmission losses
  3.    High cost of equipment for a given load
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 260. Large capacity generators are invariably___________?
  1.    water cooled
  2.    natural air cooled
  3.    forced air cooled
  4.    hydrogen cooled
 Discuss Question
Answer: Option D. -> hydrogen cooled
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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