MCQ-Set-1 Power system

Electrical engineering

MCQ related to Power systems planning and design

Set : 1

1. Which is not a standard voltage?

A) 765kV
B) 132kV
C) 415kV
D) 110kV

... Answer is c)
415kV

2. Which is static device ?

A) Transformer
B) Circuit breaker
C) Generator
D) A & B both

... Answer is D)
Transformer & circuit breaker is a Static device.

3. At the top of the tower which wire is placed?.

A) R
B) Y
C) B
D) Ground

... Answer is D)
Ground wire.

4. Power generate in india at.....

A) 11kv, 50Hz
B) 11kv, 60Hz
C) 22kv, 50Hz
D) 440kv, 50Hz both

... Answer is A)
11kv, 50Hz.

5. Follow of power from the power station to the main distribution substation is called the ?

A) Distribution
B) Transmission
C) Sub distribution
D) Non of above

... Answer is B)
Transmission .

6. ...... protecte the line conductors from lightning stroks in single circuit transmission line tower

A) Ground wire
B) Breaker
C) Stoper
D) Relay

... Answer is A)
Ground wire .

7. Why Ground wire is placed at the top of transmission line ?

A) for connection
B) to support the tower
C) to protect against lighting stroke
D) All

... Answer is C)
to protect the line from lighting stroke.

8. For short transmission line what is lenth of line

A) less than 80 km
B) 100 km
C) above 25 km
D) 80 km

... Answer is A)
less than 80 Km.

9. In short transmission line whjch effect is negligible

A) Resistive
B) Inductive
C) Capacitive
D) Conductive

... Answer is C)
Capacitive .

10. Voltage for medium transmission line is .....

A) 10kV to 55 kV
B) 20kV to 100kV
C) 30kV to 110kV
D) 1kV to 66kV

... Answer is B)
20kV to 100kV .

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