Power Systems Which of following materials can be used as coolant CO2. Any of above. Helium. Heavy water. CO2. Any of above. Helium. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 35 kVA. 70 kVA. 49 kVA. 89.22 kVA. 35 kVA. 70 kVA. 49 kVA. 89.22 kVA. 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℧? 160 Ω 200 Ω 400 Ω 320 Ω 160 Ω 200 Ω 400 Ω 320 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 420 Ω 840 Ω 210 Ω 400 Ω 420 Ω 840 Ω 210 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 45° and 26° 30° and 45° 26° and 30° 30° and 26° 45° and 26° 30° and 45° 26° and 30° 30° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located 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. At the beginning of the penstock. In between the runner exhaust and the tail race. In between the penstock and runner. ANSWER DOWNLOAD EXAMIANS APP
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