Q.1 The group of electrical equipment or apparatus used to change characteristic of electric power is known as__
A.
Generating station
B. Sub
station
C.
Utilizing system
D. all of
the above
Ans.: B
Q.2 Which of the following quantity is/
are change in sub stations?
A. Voltage
B. AC to
DC
C.
frequency
D. all of
the above
Ans.: D
Q.3 Which of the following points must be
kept in view while designing or layout a substation?
A. It
should be located at proper site
B. It
should be easily operated
C. It
should involved minimum initial cost
D. It
should provide safe and reliable arrangement
E. all of
the above
Ans.: E
Q.4 Classification of substation can be
A.
according to service requirement
B.
According to constructional features
C. Both A
and B
D. neither
A nor B
Ans.: C
Q.5 According to service requirement a
substation can be classified
A.
Switching and Transformer substation
B.
converting and frequency changer substation
C. P.F
correction substation
D. all of
the above
Ans.: D
Q.6 According to constructional feature
a substation can be classified as
A. Outdoor
substation
B. Indoor
substation
C. Pole
mounted substation
D.
Underground substation
E. all of
the above
Ans.: E
Q.7 Which of the following advantages of
outdoor substation over indoor substation?
A. less
time require for erection
B. low
capital cost
C. easy in
future expansion
D. all of
the above
Ans.: D
Q.8 A substations in a power system used
for changing voltage level is known as
A.
Transformer substation
B. potential
transformer
C.
Protection transformer
D. none of
the above
Ans.: A
Q.9 Transformer substation cab be
classified into__
A. step up
substation
B. Step
down substation
C. Both A
and B
D. Pole
and Plinth mounted substation
Ans.: C
Q.10 Step up substation is
A. step up
the voltage level for transmission
B. located
at generating station
C. either
A or B
D. Both A
and B
Ans.: D
Q.11 Primary grid type substation is
____substation
A. step
down type
B. step up
type
C.
distribution type
D. none of
the above
Ans.: B
Q.12 In step up substation the electric
power is transmitted by____
A. 3-phase
3 wire system
B. 3-phase
4 wire system
C. 2-phase
3 wire system
D. 2-phase
mid-point earthed system
Ans.: A
Q.13 Primary substation is generally__
A. Indoor
type
B. outdoor
type
C. pole
mounted type
D. any of the
above
Ans.: B
Q.14 Electric power received by the
primary grid substation at receiving end which is reduces the voltage level of
66 KV for__
A. primary
distribution purpose
B.
secondary transmission purpose
C.
secondary distribution purpose
D. primary
transmission purpose
Ans.: B
Q.15 The generating voltage at generating
station is step up for transmission is___
A. 11KV
B. 66KV
C. 33KV
D. any of
the above
Ans.: A
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