Electrical Wiring MCQ

31. Which statement is true, with respect to the motor installation?

  1. Wood work is used for mounting switchgears
  2. All equipment used in power wiring shall be of iron clad.
  3. Looping of conductors is usually made.
  4. The length of flexible conduit is more than 3 m.
Answer
Answer. d

32. Which among these is a method of wiring?

  1. Joint box
  2. Tee system
  3. Loop in system
  1. Only i
  2. Only ii
  3. Only iii
  4. i, ii, & iii
Answer
Answer. d

33. For what voltage levels are the screwed conduit circuits used?

  1. Less than 259V
  2. Between 250 V-  600 V
  3. Above 600V
  4. None of these
Answer
Answer. b

34. In an electric line, a switch is connected to which of the following wire?

  1. Earth
  2. Phase
  3. Neutral
  4. Not connected
Answer
Answer. b

35. A lighting sub-circuit has 100 W lamps. If the rated current of the fused in this circuit is 5 A, the maximum number of light points on this circuit without violating regulations and safety should be

  1. 8
  2. 9
  3. 14
  4. 16
Answer
Answer. a

36. What is an electrical schedule?

  1. A list or a plan of a building providing information of number of points in each room.
  2. The list of all the electrical components required for a particular room.
  3. The list of all the electrical components along with their prices.
  1. only i
  2. only ii
  3. both ii and iii
  4. none of these
Answer
Answer. a

37. In batton wiring the cables are carried on seasoned teak wood perfectly straight and well-varnished teak wood batton of a thickness  not less than?

  1. 1 cm
  2. 3 cm
  3. 2 cm
  4. 4 cm
Answer
Answer. a
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