1000+ GATE Power System Questions with Answers Pdf - 1

Question: 1

For the stable operation of interconnected system, the passive element that can be used

(A) reactor

(B) resistor

(C) capacitor

(D) any of these

Question: 2

Operating transmission lines close to their maximum power transfer capability will impair

(A) steady state power flow

(B) stability

(C) voltage profile

(D) transmission efficiency

Question: 3

Whenever there is change in frequency of the system due to change in the load demand, the component of the load frequency controller which

(A) speed governor

(B) linkage mechanism

(C) hydraulic amplifier

(D) speed changer

Question: 4

Kick fuses are used across relay coils to prevent relay operation during

(A) bolted faults

(B) line to ground faults

(C) inrush current of transformers when they are energized

(D) heavy external faults

Question: 5

For protection of short lines against ground faults where arc resistance is comparable to the impedance of the line, the preferred relay is

(A) admittance relay

(B) over current relay

(C) impedance relay

(D) reactance relay