Power Systems The insulator thickness on the conductor, in cables depends upon current power factor voltage reactive power current power factor voltage reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems The area under a flow duration curve represents total quantity of run-off during that period. total power available. maximum rate of run-off during the period. total of units of energy available. total quantity of run-off during that period. total power available. maximum rate of run-off during the period. total of units of energy available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 20-25% 45-55% 60-70% 30-40% 20-25% 45-55% 60-70% 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 1000 Ω 25 Ω 250 Ω 500 Ω 1000 Ω 25 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of same in both cases power cables None of these over head lines same in both cases power cables None of these over head lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? cylindrical rotor squirrel cage rotor either of these salient pole rotor cylindrical rotor squirrel cage rotor either of these salient pole rotor ANSWER DOWNLOAD EXAMIANS APP
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