Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located At the beginning of the penstock. Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. At the beginning of the penstock. Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a lossy transmission line, the characteristic impedance does not depend on The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j3 pu j1 pu j6 pu j9 pu j3 pu j1 pu j6 pu j9 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The incremental fuel costs for two generating units G1 and G2 are given by Ic1 = 25 + 0.2 PG1 and Ic2 = 32 + 0.2 PG2, where PG1 and PG2 are real powers generated by the units. The economic allocation for a total load of 250 MW, neglecting transmission loss, is given by PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 100 MW and PG2 = 150 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. Independent of its length. Directly proportional to square root of its length. Directly proportional to its length. Inversely proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the maximum and minimum run off during the period. the discharge at any time during the period under consideration. the average run off during the period. All of these the maximum and minimum run off during the period. the discharge at any time during the period under consideration. the average run off during the period. All of these ANSWER DOWNLOAD EXAMIANS APP