Power Systems In Francis turbine runner, the number blades is usually of the order of 3 - 6. 12 - 14. 6 - 8. 16 - 24. 3 - 6. 12 - 14. 6 - 8. 16 - 24. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deaerative heating is done to heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. heat the feed water. remove dissolved gases in water. heat the steam. remove dissolved. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.0030 0.60 0.0060 0.30 0.0030 0.60 0.0060 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 31.7 38.6 35.45 23.9 31.7 38.6 35.45 23.9 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a fault occurs on any feeder, the fault current is much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. much lower than with unsectional bus bar. none of these. equal to unsectional bus bar. much higher than with unsectional bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inductance of single phase two wire line is given by 4×10-7× ln(d/r') H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m 4×10-7× ln(d/r') H/m 0.4×10-7× ln(d/r') H/m 0.4×10-7× ln(r'/d) H/m 4×10-7× ln(r'/d) H/m ANSWER DOWNLOAD EXAMIANS APP