Power Systems Which of following materials can be used as coolant Any of above. Helium. CO2. Heavy water. Any of above. Helium. CO2. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 2.5 pu 7.25 pu 3.75 pu 4.28 pu 2.5 pu 7.25 pu 3.75 pu 4.28 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? fixed shunt capacitor buses both 1 and 2 voltage control buses reactive power support buses fixed shunt capacitor buses both 1 and 2 voltage control buses reactive power support buses ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following material is not used as fuse element? Carbon. Copper. Aluminium. Silver. Carbon. Copper. Aluminium. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 100 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 80 MW 20 MW 15 MW 10 MW 80 MW 20 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
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