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Objective Power System Quiz 31
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Know MoreQuestion 1
It is difficult to maintain oil filled cables.
Question 2
In capacitance grading a homogeneous dielectric is used.
Question 3
In congested areas where excavation is expensive and inconvenient 'draw in system' of laying of underground cables is often adopted.
Question 4
Natural rubber is obtained from milky sap of tropical trees.
Question 5
Rubber is most commonly used insulation in cables.
Question 6
Polyethylene has very poor dielectric and ageing properties.
Question 7
The metallic sheath may be made of lead or lead alloy or of aluminium.
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Oct 15ESE & GATE EE