Power Systems The method of neutral grounding affects the zero sequence network negative sequence network All of these positive sequence network zero sequence network negative sequence network All of these positive sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. operating cost is high and initial cost is low. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.2 pu 0.1 pu 0.4 pu 0.25 pu 0.2 pu 0.1 pu 0.4 pu 0.25 pu 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 What is the correct expression for the electrical power developed by 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 75 × 0.736 × WQHη. ( 7 / 75 ) × WQHη. ( 0.763 / 75 ) × WQHη. ( 75 / 0.736 ) × WQHη. 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 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor 0.707 lagging power factor 0.707 leading power factor zero power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
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