UG CABLE - Practice Mode

1) Which type of cable is used if the operating voltage is greater than 66 KV ?
Correct Answer: Pressure cables
2) Which are the types of pressure cables ?
Correct Answer: Oil filled and gas pressure cables
3) Which method of laying involves digging a trench in the ground and laying cable on a bedding of sand ?
Correct Answer: Laying direct in ground
4) Which method of cable laying is used inside buildings and industrial plants?
Correct Answer: Laying on racks in air
5) What is the advantage of direct laying of underground cable ?
Correct Answer: Simple and less costly