1000+ Power System Interview Questions and Answers Pdf - 2

Question: 6

The conductor carries more current on surface as compared to core. This is called as

(A) corona effect

(B) unsymmetrical fault

(C) skin effect

(D) all of the above

Question: 7

Electrostatic precipitator is installed between

(A) boiler furnace and economiser

(B) economiser and air preheater

(C) air preheater and induced fan

(D) induced fan and chimney

Question: 8

When bundled conductors are used in place of single conductors, the effective inductance and charging current will respectively

(A) remain unaffected and increase

(B) decrease and remain unaffected

(C) increase and decrease

(D) decrease and increase

Question: 9

When generating units are loaded to equal incremental costs, it results in

(A) maximum loading of generating units

(B) minimum fuel costs

(C) fuel costs are at a maximum

(D) fuel costs are not affected

Question: 10

Phase modifier is normally installed in the case of

(A) for all length lines

(B) long length lines

(C) medium length lines

(D) short transmission line