Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 9 MW 5 MW 18 MW 10 MW 9 MW 5 MW 18 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a three phase, 50 Hz, 11 kV distribution system. Each of the conductors is suspended by an insulator string having two identical porcelain insulators. The self capacitance of the insulators is 5 times the shunt capacitance between the link and ground. Find the voltage across the two insulators V1 and V2? (V1 = Voltage of disc nearest to the conductor) V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV V1 = 3.46 kV and V2 = 2.89 kV V1 = 5 kV and V2 = 6 kV V1 = 6 kV and V2 = 5 kV V1 = 2.89 kV and V2 = 3.46 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is all of above. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. all of above. the height of water level in the river where the tail race is provided. the height of water level in the river where the storage is provided. the difference of water level between the level in storage and tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? medium transmission lines shoart transmission lines long transmission lines both 1 and 3 medium transmission lines shoart transmission lines long transmission lines both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge tank is kept very close to the turbine spill way generator pen stock turbine spill way generator pen stock ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Oil CB. Air blast CB. SF6 CB. Vacuum CB. Oil CB. Air blast CB. SF6 CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
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