Power Systems Per unit of any quantity is defined as base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units actual value of quantity /base value of quantity in same units ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver silicon oxide any of the above copper silver silicon oxide any of the above copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. R × I. the switch voltage. corona. the lighting voltage. R × I. the switch voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X cosφ = X/R tanφ = X/R tanφ = R/X cosφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is the operation cost of hydro electric power station is low the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required hydro electric power station can supply the power throughout the year the operation cost of hydro electric power station is low the initial cost of hydro electric power station is low hydro electric station can be constructed at the place where the energy is required hydro electric power station can supply the power throughout the year ANSWER DOWNLOAD EXAMIANS APP