Power Systems A thermal protection switch is used to provide protection against over voltage. overload. short circuit. temperature. over voltage. overload. short circuit. temperature. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 m℧? 200 Ω 400 Ω 160 Ω 320 Ω 200 Ω 400 Ω 160 Ω 320 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. zero. lagging. unity. leading. zero. lagging. unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located At the beginning of the penstock. In between the runner exhaust and the tail race. In between the penstock and runner. Near the surge tank. At the beginning of the penstock. In between the runner exhaust and the tail race. In between the penstock and runner. Near the surge tank. 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 A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS