Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a None of above. Base load station. Peak load station. Minimum load station. None of above. Base load station. Peak load station. Minimum load station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have unity power factor 0.707 lagging power factor zero power factor 0.707 leading power factor unity power factor 0.707 lagging power factor zero power factor 0.707 leading power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine is most suited for low head and high discharge power plants. makes use of a draft tube. always operates submerged. operates by initial complete conversion to kinetic energy. is most suited for low head and high discharge power plants. makes use of a draft tube. always operates submerged. operates by initial complete conversion to kinetic energy. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling improving thermal efficiency collect ash particals All of these cooling improving thermal efficiency collect ash particals All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) raising the value of K above 1, but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. raising the value of K above 1, but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. lowering the value of K below and keeping at that lowered value. lowering the value of K below 1 but later bringing it back to K = 1. ANSWER DOWNLOAD EXAMIANS APP
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