41
The material for armouring on cable is usually
Answer: any of the above
Questions
44
In case of three core flexible cable the colour of the neutral is
Answer: blue
47
The thickness of the layer of insulation on the conductor, in cables, depends upon
Answer: voltage
48
The current carrying capacity of cables in D.C. is more thanthat in A.C. mainly due to
Answer: smaller dielectric loss
51
In capacitance grading of cables we use a ______ dielectric.
Answer: composite
52
If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
Answer: 10 kV/mm
53
Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ?
Answer: Compressed SFe gas
54
Which of the following protects a cable against mechanical injury ?
Answer: Armouring
