Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H1.25. P√( N ) / H3/2. none of these. N√( P ) / H2/3. N√( P ) / H1.25. P√( N ) / H3/2. none of these. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. 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 7.25 pu 4.28 pu 2.5 pu 3.75 pu 7.25 pu 4.28 pu 2.5 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following buses is/are not PV buses? reactive power support buses voltage control buses both 1 and 2 fixed shunt capacitor buses reactive power support buses voltage control buses both 1 and 2 fixed shunt capacitor buses ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Hydro Power Plant Gas turbine. Thermal. Nuclear. Hydro Power Plant Gas turbine. Thermal. Nuclear. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Directly proportional to square root of its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to its length. Directly proportional to square root of its length. Independent of its length. Inversely proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
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