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MCQs

Total Questions : 322 | Page 32 of 33 pages
Question 311. In an interconnected system, the diversity factor of the whole system:
  1.    remains unchanged
  2.    decreases
  3.    increases
  4.    none of the above
 Discuss Question
Answer: Option C. -> increases
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 312. For a diesel generating station the useful life is expected to be around_________Years?
  1.    15 to 20 years
  2.    20 to 50 years
  3.    50 to 75 years
  4.    75 to 100 years
 Discuss Question
Answer: Option A. -> 15 to 20 years
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 313. __________ will be least affected due to charge in supply voltage frequency.
  1.    Electric clock
  2.    Mixer grinder
  3.    Ceiling fan
  4.    Room heater
 Discuss Question
Answer: Option D. -> Room heater
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 314. 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 315. Which of the following source of power is least reliable?
  1.    Solar energy
  2.    Geothermal power
  3.    Wind power
  4.    iMHD
 Discuss Question
Answer: Option D. -> iMHD
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 316. An over excited synchronous motor on no load is known as__________?
  1.    synchronous condenser
  2.    generator
  3.    induction motor
  4.    alternator
 Discuss Question
Answer: Option A. -> synchronous condenser
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 317. Which of the following plants is almost inevitably used as base load plant?
  1.    Diesel engine plant
  2.    Gas turbine plant
  3.    Nuclear power plant
  4.    Pumped storage plant
 Discuss Question
Answer: Option C. -> Nuclear power plant
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 318. Which of the following component, in a steam power plant, needs maximum maintenance attention?
  1.    Steam turbine
  2.    Condenser
  3.    Water treatment plant
  4.    Boiler
 Discuss Question
Answer: Option D. -> Boiler
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 319. 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
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 320. Which of the following devices may be used to provide protection against lightening over voltages?
  1.    Horn gaps
  2.    Rod gaps
  3.    Surge absorbers
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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