UG CABLE - Practice Mode

1) Why stranded conductors are used in underground cable?
Correct Answer: To provide flexibility
2) Which is the property of insulating materials used in under ground cable?
Correct Answer: High insulation resistance
3) Which type of insulation is also known as empire type?
Correct Answer: Varnished cambric
4) What is the drawback of rubber insulation used in under ground cable ?
Correct Answer: Absorbs moisture
5) What is the advantage of Vulcanised Indian Rubber ?
Correct Answer: Greater mechanical strength