Power Systems Power transmission lines are transposed to reduce proximity effect skin effect radio interference ferranti effect proximity effect skin effect radio interference ferranti effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by 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. N√( P ) / H2/3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 45 kV 32 kV 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are No units for any quantity It has units for all quantities Need of transformation ratio All of these No units for any quantity It has units for all quantities Need of transformation ratio All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Working head. Nature of load. All of above. Speed. Working head. Nature of load. All of above. Speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between none of above. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. none of above. the turbine and discharge drain. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS