Power Systems Which of the following transformer is used in sub station for operating a protective relay? auto transformer distribution transformer All of these capacitor voltage transformer auto transformer distribution transformer All of these capacitor voltage transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 100 MW, P2 = 100 MW P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 80 MW, P2 = 120 MW P1 = 100 MW, P2 = 100 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, tension decrease both 1 and 2 sag increase neither 1 nor 2 tension decrease both 1 and 2 sag increase neither 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Condenser. Ash handling unit. Cooling tower. Pulversing unit. Condenser. Ash handling unit. Cooling tower. Pulversing unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of a breeder reactor is less than unity. none of above. equal to unity. more than unity. less than unity. none of above. equal to unity. more than unity. 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 23.9 35.45 31.7 38.6 23.9 35.45 ANSWER DOWNLOAD EXAMIANS APP
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