Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 10 MW 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when frequency decrease diameter decrease resistivity decrease All of these frequency decrease diameter decrease resistivity decrease All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20160 J. 25060 J. 23060 J. 20060 J. 20160 J. 25060 J. 23060 J. 20060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands in a ACSR conductor are 7, then find the layer number? 5 3 7 2 5 3 7 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of None of these power cables same in both cases over head lines None of these power cables same in both cases over head lines ANSWER DOWNLOAD EXAMIANS APP
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