Q.31 Power factor correction substations__
    A. Which is improve the power factor of the system
    B. which is improve the voltage profile of the system
    C. reduce the losses in the transmission line
    D. all of the above
Ans.: A

Q. 32 Power factor correction substations are located at___
    A. stating of the transmission line
    B. receiving end of the transmission line
    C. at intermediate of the transmission line
    D. Both Sending end and receiving end of transmission line
Ans.: B

Q.33 Which of the following device is used for power factor correction in power factor correction substation?
    A. Synchronous Condenser
    B. Induction motor
    C. Slip ring induction motor
    D. DC series generator
Ans.: A

Q.34 A converting substation which change
    A. DC into AC
    B. AC into DC
    C. AC to AC
    D. DC to DC
Ans.: B

Q.35 A converting substation which receive AC and convert into DC power to supply for___
    A. electroplating purpose
    B. traction purpose
    C. electric welding purpose
    D. all of the above
Ans.: D

Q.36 A frequency substation may be required for___
    A. domestic consumers
    B. commercial consumers
    C. Industrial consumers
    D. traction
Ans.: C

Q.37 A substation which perform the switching operations of power transmission lines are called___
    A. Transformer substation
    B. Switching substation
    C. Industrial substation
    D. intermediate substation
Ans.: B

Q.38 What are the advantages of indoor substation over outdoor substation?
    A. less space required
    B. operation is easy
    C. chances of fault is less
    D. all of the above
Ans.: D

Q.39 A pole mounted substations are__
    A. placed overhead on the poles
    B. cheapest form of substation
    C. does not requires building works
    D. all of the above
Ans.: D

Q.40 Capacity of a pole mounted substations is generally up to___.
    A. 500 KVA
    B. 200 KVA
    C. 400 KVA
    D. 1000 KVA
Ans.: B

Q.41 The structure of pole mounted substation is of ____type.
    A. H-type
    B. I-type
    C. A-type
    D. T-type
Ans.: A

Q.42 Fault location in indoor type substation is____
    A. easy
    B. difficult
    C. depend on type of fault
    D. none of the above
Ans.: B

Q.43 Capital cost of outdoor substation is ____ than indoor substation of the same rating.
    A. low
    B. high
    C. same as
    D. none of the above
Ans.: A

Q.44 In which of the following substation the future expansion is possible?
    A. Underground type
    B. Indoor type
    C. Outdoor type
    D. pole mounted type
Ans.: C

Q.45 In which of the following, time require for erection is less?
    A. Underground type
    B. Indoor type
    C. Outdoor type
    D. pole mounted type
Ans.: D