Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because it is more conductive costlier it is cheaper and lighter its tensile strength is more it is more conductive costlier it is cheaper and lighter its tensile strength is more ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. unity. zero. lagging. leading. unity. zero. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 29.28 kV 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV 31.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are All of these Need of transformation ratio It has units for all quantities No units for any quantity All of these Need of transformation ratio It has units for all quantities No units for any quantity ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Both A and C. Breaking speed. None of these. Critical length of breaking. Both A and C. Breaking speed. None of these. Critical length of breaking. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend All of above. Nature of load. Working head. Speed. All of above. Nature of load. Working head. Speed. ANSWER DOWNLOAD EXAMIANS APP
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