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Wireman
UG CABLE
Set 2
Set 2
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Q14237
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Why stranded conductors are used in underground cable?
A
To provide flexibility
B
To reduce conductivity
C
To provide mechanical strength
D
To reduce the weight
Q14238
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Which is the property of insulating materials used in under ground cable?
A
Hygroscopic
B
High insulation resistance
C
Low mechanical strength
D
High conductivity
Q14239
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Which type of insulation is also known as empire type?
A
Impregnated paper
B
Varnished cambric
C
Polyvinyl Chloride
D
Rubber
Q14240
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What is the drawback of rubber insulation used in under ground cable ?
A
Absorbs moisture
B
Hard
C
Low mechanical strength
D
High hygroscopic
Q14241
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What is the advantage of Vulcanised Indian Rubber ?
A
Safe temperature is high
B
Hygroscopic
C
Greater mechanical strength
D
High conductivity
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