Q.31 A series capacitors are used in EHV or UHV transmission lone to reduce the effect of________ between the sending and receiving end of the line.
    A. Resistive
    B. Capacitve reactance
    C. inductive reactance
    D. impedance
Ans.: C

Q.32 The voltage drop in the line is reduced by___
    A. shunt capacitor
    B. series capacitor
    C. shunt reactor
    D. series reactor
Ans.: B

Q.33 What is drawback of the series capacitor in the line?
    A. the high overvoltage produced across the capacitor terminals during short circuit conditions
    B. the high over current during short circuit conditions
    C. the high under voltage produced across the capacitor terminals during heavy load conditions
    D. none of the above
Ans.: A

Q.34 The receiving end voltage of line is improved on load by using___
    A. shunt capacitor
    B. series capacitor
    C. shunt reactor
    D. series reactor
Ans.: B

Q.35 _____is used on EHV transmission lines to control steady state over voltage when energizing the long EHV lines.
    A. shunt capacitor
    B. series capacitor
    C. shunt reactor
    D. series reactor
Ans.: A

Q.36 The power transfer capability of the transmission line can be increased by using ____
    A. shunt capacitor
    B. series reactor
    C. shunt reactor
    D. series capacitor
Ans.: D

Q.37 Under heavy load conditions of transmission lines, ____ switched out.
    A. series resistors
    B. series capacitors
    C. shunt reactors
    D. shunt reactors
Ans.: C

Q.38 Series capacitors are installed in transmission lines at____
    A. sending end
    B. receiving end
    C. intermediate
    D. any of the above
Ans.: B

Q.39 Static shunt capacitors are installed _____
    A. near the generating stations
    B. near the sending substations
    C. near the load terminals
    D. any of the above
Ans.: C

Q.40 Shunt capacitors installed near the load terminals to provide____
    A. lagging volt-ampere reactive
    B. leading volt ampere reactive
    C. leading volt ampere active
    D. lagging volt ampere lagging
Ans.: B

Q.41 By using static shunt capacitors____
    A. line drop is reduced
    B. total KVA loading of the substation is reduced
    C. voltage regulation is improved
    D. all of the above
Ans.: D

Q.42 The line current is reduced by using _____in the long transmission line.
    A. shunt resistors
    B. shunt reactors
    C. shunt capacitors
    D. series reactors and series capacitors
Ans.: C

Q.43 The voltage of a particular bus is regulated by controlling the
    A. active power of the bus
    B. reactive power of the bus
    C. phase angle and reactive power
    D. phase angle
Ans.: C

Q.44 The voltage of a transmission line can be controlled by
    A. using induction regulator
    B. reactive VAR injection methods
    C. excitation control
    D. all of the above
Ans.: D

Q.45 Series capacitor is used in a transmission line to__
    A. compensate the voltage drop
    B. reduce line losses
    C. limit short circuit current
    D. improve load power factor
Ans.: A