Power Systems The most commonly used material for insulators of overhead lines is PVC glass mica porcelain PVC glass mica porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency remains unaffected increase decrease None of these remains unaffected increase decrease None of these 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? 31.28 kV 30.28 kV 29.28 kV 28.28 kV 31.28 kV 30.28 kV 29.28 kV 28.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Steam power plant. Hydro electric power plant. Diesel engine plant. Nuclear power plant. Steam power plant. Hydro electric power plant. Diesel engine plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector of a nuclear reactor are made up of cast iron. steel. beryllium. boron. cast iron. steel. beryllium. boron. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS