Power Systems The amount of ash content in Indian coal 45 %. 35 %. 20 %. 60 %. 45 %. 35 %. 20 %. 60 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in bituminous coal. coal gas. anthracite coal. lignite coal. bituminous coal. coal gas. anthracite coal. lignite coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as shunt capacitor medium transmission line long transmission line any of the above shunt capacitor medium transmission line long transmission line any of the above 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 A thermal protection switch is used to provide protection against over voltage. overload. temperature. short circuit. over voltage. overload. temperature. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? over current relays Buccholz relays Differential relays both 1 and 2 over current relays Buccholz relays Differential relays both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP