Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? True either 1 or 2 False None of these True either 1 or 2 False None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of short transmission lines only All of these long transmission lines only medium transmission lines only short transmission lines only All of these long transmission lines only medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 100 A 250 A 2500 A 200 A 100 A 250 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Thermal. Hydro electric. Diesel engine. Petrol engine. Thermal. Hydro electric. Diesel engine. Petrol engine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gross head of an hydroelectric power station is the difference of water level between the level in storage and tail race. 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. all of above. the difference of water level between the level in storage and tail race. 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. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers All of these cooling collect ash particals improving thermal efficiency All of these cooling collect ash particals improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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