Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H2/3. none of these. P√( N ) / H3/2. N√( P ) / H1.25. N√( P ) / H2/3. none of these. P√( N ) / H3/2. N√( P ) / H1.25. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers All of these cooling improving thermal efficiency collect ash particals All of these cooling improving thermal efficiency collect ash particals ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 140 MWhr 130.2 MWhr 135.3 MWhr 120 MWhr 140 MWhr 130.2 MWhr 135.3 MWhr 120 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.182 mH 1.093 mH 1.043 mH 1.232 mH 1.182 mH 1.093 mH 1.043 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 10 0.001 1000 0.1 10 0.001 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 102.5 85.5 95.5 105.2 102.5 85.5 95.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
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