Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 14 %. 28 %. None of above 56 %. 14 %. 28 %. None of above 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? False either 1 or 2 True None of these False either 1 or 2 True None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The generating station suitable to operate as peak load plant is Power station. Pumped storage. Thermal power station. Nuclear power station. Power station. Pumped storage. Thermal power station. Nuclear power station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pumped storage plant is a peak load plant base load plant both 1 and 2 None of these peak load plant base load plant both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The essential requirement(s) for power plants to be operated as peak load plants are Quick response to load variation. Low capital cost. Capability of quick starts. All of these Quick response to load variation. Low capital cost. Capability of quick starts. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? any of the above silver silicon oxide copper any of the above silver silicon oxide copper ANSWER DOWNLOAD EXAMIANS APP
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