Power Systems Telecommunication lines are transposed to reduce the efficiency radio interference in communication lines All of these voltage level efficiency radio interference in communication lines All of these voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the correct expression for the electrical power developed by ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ( 75 / 0.736 ) × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. 75 × 0.736 × WQHη. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called stopping time. coasting time. settling time. damping time. stopping time. coasting time. settling time. damping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 500 Ω 25 Ω 1000 Ω 250 Ω 500 Ω 25 Ω 1000 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease remains same increase None of these decrease remains same increase None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Capacitance of the system. Inductance and capacitance of the system. Inductance of the system. Type of CB. Capacitance of the system. Inductance and capacitance of the system. Inductance of the system. Type of CB. ANSWER DOWNLOAD EXAMIANS APP
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