TRANSMISSION AND DISTRIBUTION - Quiz

1) Which electric lines connect the substation to distributors in distribution system?

Feeders Distributors Service lines Service mains

2) What is the insulation resistance between any two conductors in a medium voltage domestic installation as per IE rules?

Infinity More than one Mega ohm More than two Mega ohms More than three Mega ohms

3) What is the voltage ratio in A.C distribution line adopted for domestic consumers?

415 V/240 V 240 V/110 V 415 V/110 V 11 KV/415 V

4) Which is the permissible load for lighting sub circuit in domestic wiring as per IE rules?

800 W 1200 W 2400 W 3000 W

5) What is the reason for the conductor cross- sectional area can fully utilised on transmission of DC as compared to AC?

No heat loss No skin effect No power loss No corona loss