Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase induction motor DC shunt motor Three phase synchronous motor DC series motor Three phase induction motor DC shunt motor Three phase synchronous motor DC series motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 8.5 MW 5.5 MW 6.5 MW 4.5 MW 8.5 MW 5.5 MW 6.5 MW 4.5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Half life is defined as the time required for one half of isotope to decay. the time required for full of atoms in a specimen disintegrate. the time required to spiliting of a heavy nucleus. none of above. the time required for one half of isotope to decay. the time required for full of atoms in a specimen disintegrate. the time required to spiliting of a heavy nucleus. none of above. 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)? 3 × 106 kV / sec. 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. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Air. Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. Water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 15 A 6.25 A 10 A 12.5 A 15 A 6.25 A 10 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
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