Power Systems The insulation of modern EHV is designed based on corona. lightning voltage. RI. switching voltage. corona. lightning voltage. RI. switching voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in anthracite coal. coal gas. bituminous coal. lignite coal. anthracite coal. coal gas. bituminous coal. lignite coal. 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. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. Pelton. 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 Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no mutual coupling both 1 and 2 None of these shunt admittance mutual coupling both 1 and 2 None of these shunt admittance ANSWER DOWNLOAD EXAMIANS APP
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