Q. The cables, the location of fault is usually found out by comparing
✅ Correct Answer: (C)
the capacitances of insulated conductors
Cables MCQs | Page - 2
Dear candidates you will find MCQ questions of Cables here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
✅ Correct Answer: (B)
10 kV/mm
Q. If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be
✅ Correct Answer: (C)
50 cm
Q. If the length of a cable is doubled, its capacitance
✅ Correct Answer: (C)
becomes double
Q. In a cable immediately above metallic sheath _________ is provided.
✅ Correct Answer: (B)
bedding
Q. In a cable the voltage stress is maximum at
✅ Correct Answer: (D)
core of the conductor
Q. In a cable, the maximum stress under operating conditions is at
✅ Correct Answer: (D)
conductor surface
Q. In capacitance grading of cables we use a _________ dielectric.
✅ Correct Answer: (A)
composite
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