Power Systems Length of short transmission line is up to 80 km 40 km 150 km any of the above 80 km 40 km 150 km any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is less more None of these either 1 or 2 less more None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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 80.25 %. 74.56 %. 78.96 %. 79.33 %. 80.25 %. 74.56 %. 78.96 %. 79.33 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by burning large amount of coal. decreasing the load on the plant. using high temperature and high pressure steam. using large quantity of water. burning large amount of coal. decreasing the load on the plant. using high temperature and high pressure steam. using large quantity of water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 0.93 1.13 1 0.882 0.93 1.13 1 0.882 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS