Power Systems The most commonly used material for insulators of overhead lines is mica PVC porcelain glass mica PVC porcelain glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 20 4 8 10 20 4 8 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the frequency is increased, then skin effect will any of the above remains unaffected decreases increases any of the above remains unaffected decreases increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Storage requirement can be determined from both B and C. flow duration curve. hydro-graph. mass Curve. both B and C. flow duration curve. hydro-graph. mass Curve. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Air blast CB. Oil CB. Any of these. Vacuum CB. Air blast CB. Oil CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Francis turbine. Pelton wheel. propeller turbine. Kaplan turbine. Francis turbine. Pelton wheel. propeller turbine. Kaplan turbine. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS