Testing and Commissioning of Electrical Equipments (2180901) MCQs

MCQs of Safety Management

Showing 31 to 40 out of 93 Questions
31.
__________ distance is the shortest distance between two metallic parts along with the surface of the solid insulator.
(a) Clearances
(b) Creepage
(c) Clearances and Creepages
(d) Safety
Answer:

Option (b)

32.
Which of the following is/are influenced by the Creepage distance?
(a) surface leakage currents & flashover
(b) Voltage Level
(c) degree of atmosphere pollution
(d) All of these
Answer:

Option (d)

33.
For heavily polluted industrial areas __________ Creepage distances are recommended (in terms of mm/kV)
(a) higher
(b) lower
(c) same
(d) not depends on pollution
Answer:

Option (a)

34.
What do we need to increase if the voltage level of the system increase?
(a) Clearances
(b) Creepage
(c) Clearances and Creepages
(d) Maintenance
Answer:

Option (c)

35.
What do we need to increase if the pollution level surrounds the system increase?
(a) Clearances
(b) Creepage
(c) Clearances and Creepages
(d) Maintenance
Answer:

Option (b)

36.
What are the reasons for Accidents in Plant?
(a) Working without proper PPE (Personal Protective Equipments)
(b) Overconfidence
(c) improper Mental and physical condition of the worker
(d) ALL of these
Answer:

Option (d)

37.
What are the reasons for Accidents in Plant?
(a) Instructions not been observed faithfully
(b) Poor judgment
(c) Negligence and carelessness of the other persons
(d) All of these
Answer:

Option (d)

38.
Electric Shock is sudden stimulation of the nervous system of the human body by _____________________ a part of the body.
(a) a flow of electric current through
(b) a voltage across
(c) stress developed
(d) None of these
Answer:

Option (a)

39.
What are the followings will defined Primary electric Shock?
(a) higher magnitude of shock current
(b) produces server physiological harm
(c) Cause Fibrillation (irregular heartbeat) & Respiratory tetanus (a continuous contraction of the muscle)
(d) All of these
Answer:

Option (d)

40.
What are the followings will defined Secondary electric Shock?
(a) the low magnitude of the current
(b) hair raising & tickling sensation
(c) involuntary muscle reaction
(d) All of these
Answer:

Option (d)

Showing 31 to 40 out of 93 Questions