Basic Electrical Engineering (3110005) MCQs

MCQs of Electrical Installations

Showing 41 to 50 out of 83 Questions
2 3 4 5 6 7
41.
Earth wire is connected to the
(a) ground
(b) appliance
(c) power house
(d) transformer
Answer:

Option (a)

42.
If a live wire comes in contact with the metal casing, the excess current will move to
(a) power house
(b) casing
(c) dynamo
(d) transformer
Answer:

Option (b)

43.
_____ use caution when working near electricity.
(a) Always
(b) Never
(c) Rarely
(d) Sometimes
Answer:

Option (a)

44.
Electrical hazards include shock, electrical arcs and blasts, and _____or faulty equipment.
(a) Broken
(b) Double-insulated
(c) Polished
(d) Secure
Answer:

Option (a)

45.
Specially designed PPE for electrical work includes _____ insulating gloves, matting, blankets, and covers.
(a) Plastic
(b) Rubber
(c) Steel
(d) Wood
Answer:

Option (b)

46.
_____ all electrical equipment before use.
(a) Clean
(b) Inspect
(c) Label
(d) Organize
Answer:

Option (b)

47.
One of the three generally recognized hazards of electrical work is____.
(a) Arc Flash
(b) Cuts
(c) Falls
(d) Concussion
Answer:

Option (a)

48.
A Safety Electrical One Line Diagram should be used to ______________ all sources of electrical energy.
(a) Identify
(b) Castigate
(c) Evaluate
(d) Modify
Answer:

Option (a)

49.
Do not use appliances, if
(a) damaged
(b) wires exposed
(c) working properly
(d) both a and b
Answer:

Option (d)

50.
A short thin piece of wire which is heated up and melt by the flowing of electric current in it, is called
(a) circuit
(b) fuse
(c) cell
(d) resistor
Answer:

Option (b)

Showing 41 to 50 out of 83 Questions
2 3 4 5 6 7