Testing and Commissioning of Electrical Equipments (2180901) MCQs

MCQs of Safety Management

Showing 41 to 50 out of 93 Questions
41.
Shock may occur, When part of the human body in
(a) Direct contacts with Phases or Phases and Earth
(b) Direct contacts with the same phase at a different potential
(c) Flashover involving part of the human body
(d) All of these
Answer:

Option (d)

42.
The severity of electric shock is/are depends on
(a) Magnitude (mA) & Rate of rice (mA/mS) of the current flowing through the body
(b) Path of current through the body
(c) Time duration of current flow through the body
(d) All of these
Answer:

Option (d)

43.
The typical resistance of the human body (Tip of the left finger and right-hand finger with dry skin) is
(a) 1000 ohms
(b) 100000 ohms
(c) 10000000 ohms
(d) 1500 ohms
Answer:

Option (b)

44.
The typical resistance of the human body (Tip of the left finger and right-hand finger with wet skin) is
(a) 1000 ohms
(b) 100000 ohms
(c) 10000000 ohms
(d) < 1500 ohms
Answer:

Option (d)

45.
The most dangerous place to use electrical equipment is?
(a) outdoors
(b) indoors
(c) near water
(d) near other electrical equipment
Answer:

Option (c)

46.
The safest ladder to use around electricity is?
(a) wood
(b) fibreglass
(c) aluminium
(d) a step stool
Answer:

Option (b)

47.
Which of the following is/are not good conductors of electricity
(a) Wood
(b) Earth
(c) Water
(d) concrete
Answer:

Option (a)

48.
The effects of an electrical shock on the body do not depend upon the ___________
(a) current magnitude
(b) current path
(c) current duration
(d) body weight
Answer:

Option (d)

49.
Injuries from electricity can include which of the following?
(a) electric shock that may or may not result in electrocution
(b) falls
(c) burns
(d) all of these
Answer:

Option (d)

50.
Electrical hazards include shock, electrical arcs and blasts, and _____or faulty equipment.
(a) Double-insulated
(b) Polished
(c) Secure
(d) Broken
Answer:

Option (d)

Showing 41 to 50 out of 93 Questions