Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 800 Ω 0 Ω 400 Ω 200 Ω 800 Ω 0 Ω 400 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Switchgear equipment include switches. all of these. relays and CB. fuses. switches. all of these. relays and CB. fuses. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bonding is done at the both ends of the cable to reduce the sheath loss copper loss None of these iron loss sheath loss copper loss None of these iron loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which power plant, the thermal efficiency is quite low Diesel power plant. Steam power plant. Hydro power plant. Nuclear power plant. Diesel power plant. Steam power plant. Hydro power plant. Nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants normally operage at high speeds Diesel engine. Petrol engine. Thermal. Hydro electric. Diesel engine. Petrol engine. Thermal. Hydro electric. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
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