Electrical Distribution System MCQ

16. A line which connects a distributor to substation is called:

  1. Distributor
  2. Feeder
  3. Line
  4. Service main

Answer
Answer. b

17. In an AC transmission line difference in phase of voltage at two ends of the line is due to

  1. System voltage
  2. Insulators
  3. Resistance of line
  4. Reactance of line

Answer
Answer. d

18. A single Phase-3 Wire AC system is made up of

  1. 3 Conductor wires
  2. 1 Conductor wires and 2 Neutral
  3. 1 Conductor wire and 1 Neutral
  4. 2 Conductor wire and 1 Neutral

Answer
Answer. d

19. Which among these is a part of the distribution system?

  1. Feeders
  2. Distributors
  3. Service mains
  1. Only 1
  2. Only 2
  3. Only 3
  4. 1, 2 and 3

Answer
Answer. d

20. The criterion for selection of the size of conductor for a feeder is ____

  1. Voltage drop
  2. Corona loss
  3. Temperature rise
  4. Radio interference

Answer
Answer. c

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