Q.1
The material for armouring on cable is usually
Q.2
In the cables, sheaths are used to
Q.3
Natural rubber is obtained from milky sap of tropical trees.
Q.4
PVC stands for
Q.5
The advantage of cables over overhead transmission lines is
Q.6
Cables, generally used beyond 66 kV are
Q.7
The surge resistance of cable is
Q.8
Rubber is most commonly used insulation in cables.
Q.9
The advantage of oil filled cables is
Q.10
In the cables, the location of fault is usually found out by comparing
Q.11
In single core cables armouring is not done to
Q.12
In a cable the voltage stress is maximum at
Q.13
The disadvantage with paper as insulating material is
Q.14
The thickness of metallic shielding on cables is usually
Q.15
Copper as conductor for cables is used as
Q.16
In case of three core flexible cable the color of the neutral is
Q.17
Which of the following protects a cable against mechanical injury?
Q.18
In cables the charging current
Q.19
If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be
Q.20
Low tension cables are generally used up to
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