Important MCQ questions for GATE, ESE Engineering Service Examination, IES, PSU Examination and Study Material For Electrical and Electronics Engineering in Circuit Theory, Network Theory, Material Science, Power System, Control System, Measurement, Power Electronics, Transformer and Electrical Machine, Control System, EMT, Power Electronics, Microprocessor and Communication System.
The thickness of the layer of insulation on the conductor, in cables, depends upon
(a) reactive power
(b) power factor
(c) voltage
(d) current carrying capacity
(b) power factor
(c) voltage
(d) current carrying capacity
Empire tape is
(a) varnished cambric
(b) vulcanized rubber
(c) impregnated paper
(d) none of the above
Ans: a
(b) vulcanized rubber
(c) impregnated paper
(d) none of the above
Ans: a
Which of the following insulation is used in cables ?
(a) Varnished cambric
(b) Rubber
(c) Paper
(d) Any of the above
Ans: d
(b) Rubber
(c) Paper
(d) Any of the above
Ans: d
Which of the following protects a cable against mechanical injury ?
(a) Bedding
(b) Sheath
(c) Armoring
(d) None of the above
Ans: c
(b) Sheath
(c) Armoring
(d) None of the above
Ans: c
The insulating material for a cable should have
(a) low cost
(b) high dielectric strength
(c) high mechanical strength
(d) all of the above
Ans: d
(b) high dielectric strength
(c) high mechanical strength
(d) all of the above
Ans: d