1000+ GATE Power System Questions with Answers Pdf - 2

Question: 6

Fast acting circuit breakers

(A) do not affect stability

(B) improve both transient and steady state stability

(C) improve steady state stability

(D) improve transient stability

Question: 7

Bundled conductors in EHV transmission lines

(A) decrease inductance

(B) decrease capacitance

(C) increase inductance

(D) increase capacitance

Question: 8

Which of the following insulator is practically used for railway crossings?

(A) string insulator

(B) strain insulator

(C) pin insulator

(D) all of the above

Question: 9

Ferranite effect will not occur in which of the following transmission lines

(A) short transmission lines

(B) medium transmission lines

(C) long transmission lines

(D) all of the above

Question: 10

Bundled conductors in a transmission line will

(A) reduce voltage of buses at the two ends

(B) improve protection of line

(C) improve steady state stability

(D) reduce line loading