1000+ Power System Multiple Choice Questions and Answers Pdf - 1
Question: 1
The insulation thickness on the conductor in cables depends upon
(A) current
(B) reactive power
(C) power factor
(D) voltage
Ans: D
voltage
Question: 2
Generally in load flow solutions the load is modeled as a
(A) dynamically varying load
(B) constant current load
(C) constant power load
(D) constant impedance load
Ans: C
constant power load
Question: 3
High synchronous reactance is preferred in the present day alternators because one can have
(A) high voltage regulation with load
(B) reduced transient currents
(C) reduced harmonic currents
(D) reduced sub transient currents
Ans: B
reduced transient currents
Question: 4
Under over excitation synchronous phase modifier works as
(A) shunt reactor
(B) series capacitor
(C) shunt capacitor
(D) any of the above
Ans: C
shunt capacitor
Question: 5
Communication lines are treated as
(A) medium transmission lines
(B) long transmission lines
(C) short transmission lines
(D) any of the above
Ans: B
long transmission lines
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