Power Systems String efficiency depends upon voltage rating of whole string. no. of SCR in the string. all of these. voltage rating of one SCR. voltage rating of whole string. no. of SCR in the string. all of these. voltage rating of one SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is oil circuit breaker. none of these. air blast circuit breaker. SF6 breaker. oil circuit breaker. none of these. air blast circuit breaker. SF6 breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce proximity effect ferranti effect radio interference skin effect proximity effect ferranti effect radio interference skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 3 × 106 kWh. 2.044 × 106 kWh. 5 × 106 kWh. 4.06 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. 5 × 106 kWh. 4.06 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Independent of its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 21 10 13 20 21 10 13 ANSWER DOWNLOAD EXAMIANS APP
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