Power Systems Condition for zero voltage regulation is cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R cosφ = R/X tanφ = R/X tanφ = X/R cosφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Kaplan. Pelton. Francis. Impeller. Kaplan. Pelton. Francis. Impeller. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that current density is more at the centre of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the surface of the condutor current density is more at the centre of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is lower at the surface of the condutor current density is more at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
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. 25060 J. 23060 J. 20160 J. 20060 J. 25060 J. 23060 J. 20160 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is it does not related to breakdown voltage less high None of these it does not related to breakdown voltage less high None of these 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? 0.001 1000 0.1 10 0.001 1000 0.1 10 ANSWER DOWNLOAD EXAMIANS APP