Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Air. Hydrogen. Water. Liquid. Air. Hydrogen. Water. Liquid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon both 1 and 2 capacitance of the system only inductance of the system only resistance of the system only both 1 and 2 capacitance of the system only inductance of the system only resistance of the system only ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the line capacitance increases None of these decreases remains unaffected increases None of these decreases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 2 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 3.5 × 106 kV / sec. 1 × 106 kV / sec. 3 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The modern trend in electric power generation to have large size thermal plant located near coal fields. to have large number of small size thermal plants located at different places. to have large size thermal plants near load centre. none of above. to have large size thermal plant located near coal fields. to have large number of small size thermal plants located at different places. to have large size thermal plants near load centre. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is increased remains unaffected reduced any of the above increased remains unaffected reduced any of the above ANSWER DOWNLOAD EXAMIANS APP
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