Power System - I (3140914) MCQs

MCQs of Substations

Showing 31 to 40 out of 103 Questions
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31.
Power factor correction substations
(a) Improves the power factor of the system
(b) Improves the voltage profile of the system
(c) Reduces the losses in the transmission system
(d) All of above
Answer:

Option (a)

32.
Power factor correction substations are located at
(a) Sending end of the transmission line
(b) Receiving end of the transmission line
(c) Both Sending end and receiving end of transmission line
(d) Any point of transmission line
Answer:

Option (b)

33.
Which of the following devices are used for power factor correction in power factor correction substation?
(a) Capacitor banks
(b) Synchronous condenser
(c) Induction motor
(d) Both (a) and (b)
Answer:

Option (d)

34.
A converting substation changes quantity from
(a) DC to AC
(b) AC to DC
(c) AC to AC
(d) DC to DC
Answer:

Option (b)

35.
A converting substation changes quantity from AC to DC for
(a) Electroplating application
(b) Traction application
(c) Electric welding application
(d) All of above
Answer:

Option (d)

36.
A frequency substation may be required for
(a) Domestic consumers application
(b) Commercial consumers application
(c) Industrial consumers application
(d) Traction application
Answer:

Option (c)

37.
A substation which performs the switching operations of power transmission lines is called
(a) Transformer substation
(b) Switching substation
(c) Industrial substation
(d) Intermediate substation
Answer:

Option (b)

38.
Advantages of indoor substation over outdoor substation are
(a) Less space required
(b) Easy operation
(c) Less chances of fault
(d) All of above
Answer:

Option (d)

39.
A pole mounted substations are
(a) Placed overhead on the poles
(b) Cheapest form of substation
(c) Free from building works
(d) All of above
Answer:

Option (d)

40.
Capacity of a pole mounted substations is generally up to
(a) 500 kVA
(b) 200 kVA
(c) 400 kVA
(d) 1000 kVA
Answer:

Option (b)

Showing 31 to 40 out of 103 Questions
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