Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? beryllium liquid sodium All of these graphite beryllium liquid sodium All of these graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have Reheating. All of above. Multistage compression. Heat exchangers. Reheating. All of above. Multistage compression. Heat exchangers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in the increasing order. neither increasing nor decreasing order. None of these the decreasing order. the increasing order. neither increasing nor decreasing order. None of these the decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 800 Ω 200 Ω 400 Ω 160 Ω 800 Ω 200 Ω 400 Ω 160 Ω ANSWER DOWNLOAD EXAMIANS APP