Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 3 12 5 6 3 12 5 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be -2 - j 1 A 1 + j 4 A 5 + j 7 A 1 + j 2 A -2 - j 1 A 1 + j 4 A 5 + j 7 A 1 + j 2 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against over voltage. temperature. short circuit. overload. over voltage. temperature. short circuit. overload. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using LP steam. flue gas. direct heat in the furnace. HP steam. LP steam. flue gas. direct heat in the furnace. HP steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are rain fall pattern, shape and size of catchment area. the topography and nature of soil in the catchment area. amount of vegetation and weather condition in the catchment area. all of above. rain fall pattern, shape and size of catchment area. the topography and nature of soil in the catchment area. amount of vegetation and weather condition in the catchment area. all of above. ANSWER DOWNLOAD EXAMIANS APP
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