Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 78.96 %. 80.25 %. 79.33 %. 74.56 %. 78.96 %. 80.25 %. 79.33 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is None of these more less either 1 or 2 None of these more less either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For n bus power system size of Y bus matrix is n×n (n-1)×(n-1) (n-1)×(n-2) (n-2)×(n-2) n×n (n-1)×(n-1) (n-1)×(n-2) (n-2)×(n-2) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 100 A 250 A 200 A 2500 A 100 A 250 A 200 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.5 0.707 leading unity 0 leading 0.5 0.707 leading unity 0 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems The advantage of hydro electric power station over thermal power station is 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 the operation cost of hydro electric power station is low the initial cost of hydro electric power station is low ANSWER DOWNLOAD EXAMIANS APP
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