Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 450 900 500 250 450 900 500 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Pelton wheel. Kaplan turbine. propeller turbine. Francis turbine. Pelton wheel. Kaplan turbine. propeller turbine. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on frequency All of these relative permeability conductivity frequency All of these relative permeability conductivity 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 (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (2 + j4 ) pu (4 + j8 ) pu (0.5 + j1 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Hydrogen cooling. Nitrogen cooling. Oxygen cooling. None of these. Hydrogen cooling. Nitrogen cooling. Oxygen cooling. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H2/3. N√( P ) / H1.25. none of these. P√( N ) / H3/2. N√( P ) / H2/3. N√( P ) / H1.25. none of these. P√( N ) / H3/2. ANSWER DOWNLOAD EXAMIANS APP
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