DISTRIBUTION AND PROTECTION - Practice Mode

1) Where underground distribution system is preferred?

Open areas In forests Highly populated area Hill areas

Correct Answer: Highly populated area

2) What is the advantage of underground distribution system?

High installation cost Difficult to trace the faults Lower life span Good appearance

Correct Answer: Good appearance

3) Which is a part of over head line?

Lead sheath Stay wire Armouring Cable trench

Correct Answer: Stay wire

4) Which is a line protecting device?

Bus bar Isolating switch Insulator Circuit Breaker

Correct Answer: Circuit Breaker

5) Which type of isolater consists of four arms and at the end of arm silver plated copper contacts are fixed?

Single brake isolater Double brake isolater Pantograph isolater Bus side isolater

Correct Answer: Pantograph isolater

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