MCQ, set-1, Testing & Commission of Electrical Equipments

Electrical engineering

MCQ related to Testing and Commissioning of Electrical Equipment (TCEE)

Set : 1

1. Why high voltage is used for transmission?

A) Economical operation
B) Reduce transmission loss
C) Improve stability
D) All

... Answer is D)
For all porpos

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. Total number of winding in three phase transformer is ?.

A) 1
B) 3
C) 6
D) None of the above

... Answer is C)
total 6 winding is present [3 primary & 3 secondary].

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. Which type of bushing is use for 33kv ?

A) Porcelin
B) Oil filed
C) Mica insulated
D) All both

... Answer is B)
Oil filed bushing is use for 33kv .

6. Silica jel is filled in.......

A) Transformer
B) Bushing
C) Breather
D) Tank

... Answer is C)
Silica jel is filled in breather .

7. Which test is performed on each unit of transformer ?

A) Routine test
B) Type test
C) Special test
D) All

... Answer is A)
Routine test is performed each unit of transformer .

8. Determination of sound level is......

A) Routine test
B) Type test
C) Special test
D) Commissioning test

... Answer is C)
For Determination of sound level special type test is performed .

9. In star/delta connection phase shift is.....

A) 120°
B) 90°
C) 60°
D) 30°

... Answer is D)
30° phase shift .

10. By open circuit test which loss is determine ?

A) Copper loss
B) Hysteresis loss
C) eddy current loss
D) Iron loss

... Answer is D)
by O.C test iron loss is determined .

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