Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 20160 J. 23060 J. 25060 J. 20060 J. 20160 J. 23060 J. 25060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be unchanged. one-fourth. doubled. one-half. unchanged. one-fourth. doubled. one-half. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making current is a------------ value? average RMS any of the above peak value average RMS any of the above peak value ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.92 0.56 -0.56 0.92 -0.92 0.56 -0.56 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase inductance increase capacitance decrease capacitance decrease inducatance increase inductance increase capacitance decrease capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS