Electrical Engineering Mcqs

Which of the following are the constants of the transmission lines ?

(A) Resistance
(B) Inductance
(C) Capacitance
(D) All of the above

Submitted By :Ali Uppal

The corona is considerably affected by which of the following _______________?

(A) Size of the conductor
(B) Shape of the conductor
(C) Surface condition of the conductor
(D) All of the above

Submitted By :Ali Uppal

The usual spans with R.C.C. poles are_______________?

(A) 40—50 meters
(B) 60—100 meters
(C) 80—100 meters
(D) 300—500 meters

Submitted By :Ali Uppal

Galvanised steel wire is generally used as______________?

(A) stay wire
(B) earth wire
(C) structural components
(D) all of the above

Submitted By :Ali Uppal

Which of the following materials is not used for transmission and distribution of electrical power________________?

(A) Copper
(B) Aluminium
(C) Steel
(D) Tungsten

Submitted By :Ali Uppal

The distributors for residential areas are______________?

(A) single phase
(B) three-phase three wire
(C) three-phase four wire
(D) none of the above

Submitted By :Ali Uppal

Most of the high transmission lines in Pakistan are_______________?

(A) underground
(B) overhead
(C) either of the above
(D) none of the above

Submitted By :Ali Uppal

The voltage of the single phase supply to residential consumers is_____________?

(A) 110 V
(B) 210 V
(C) 230 V
(D) 400 V

Submitted By :Ali Uppal

Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system ?

(A) Circulating current method
(B) Thevenin’s theorem
(C) Superposition of currents
(D) Direct application of Kirehhoffs laws
(E) All of the above

Submitted By :Ali Uppal

A booster is a_________________?

(A) series wound generator
(B) shunt wound generator
(C) synchronous generator
(D) none of the above

Submitted By :Ali Uppal

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