Power Systems Advantages of higher transmission voltage is/are Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced Power transfer capability of the transmission line is increased Area of cross section and volume of the conductor is reduced All of these Transmission line losses are reduced Power transfer capability of the transmission line is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems The modern trend in electric power generation to have large number of small size thermal plants located at different places. to have large size thermal plant located near coal fields. none of above. to have large size thermal plants near load centre. to have large number of small size thermal plants located at different places. to have large size thermal plant located near coal fields. none of above. to have large size thermal plants near load centre. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 0.001 10 1000 0.1 0.001 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 13 21 20 10 13 21 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have 0.707 leading power factor unity power factor 0.707 lagging power factor zero power factor 0.707 leading power factor unity power factor 0.707 lagging power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will remains unaffected any of the above increases decreases remains unaffected any of the above increases decreases ANSWER DOWNLOAD EXAMIANS APP
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