Electrical Transmission Questions.

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Q1;- Safety factor of steel tower is 

1. 1
2. 2
3. 3
4. 4

ANSWER:- 2

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Q2:- Life of the steel tower is 

1. 80 yr
2. 70 yr
3. 60 yr
4. 100 yr

ANSWER:- 1

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Q3:- Types of overhead transmission line is 

1. short transmission line ( low voltage line)
2. medium transmission line ( medium voltage line )
3. long transmission line (high voltage line)
4. all

ANSWER:- 4

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Q4:- Feature of short transmission line is 

1. length is less than 50 km and line voltage is less than 20 kv
2. length is less than 100 km and line voltage is 33 kv
3. length is less than 100 km and line voltage is 66 kv 
4. none of the above 

ANSWER:- 1

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Q5:- Feature of medium transmission line is

1. length is 50 - 150 km and line voltage is 20 kv - 100 kv 
2. length is 100 - 200 km and line voltage is 400 kv
3. length is 50 150 km and line voltage is 66 kv 
4. none 

ANSWER:- 1

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