Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 200 MJ 50 MJ 400 MJ 8 MJ 200 MJ 50 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Hydraulic turbine. Steam accumulator. None of above. Diesel engine. Hydraulic turbine. Steam accumulator. None of above. Diesel engine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 32 MΩ 4 MΩ 8 MΩ 16 MΩ 32 MΩ 4 MΩ 8 MΩ 16 MΩ 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 A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 20 MW 10 MW 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 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? (1 + j2 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (4 + j8 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
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