Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase induction motor DC series motor Three phase synchronous motor DC shunt motor Three phase induction motor DC series motor Three phase synchronous motor DC shunt motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 5 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. 5 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in noise increases. pressure increases. noise increases, pressure increases, velocity decreases. None of these noise increases. pressure increases. noise increases, pressure increases, velocity decreases. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected with grounding network any of the above star connected network delta connected network star connected with grounding network any of the above star connected network delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kWh. kJ / S. HP. W. kWh. kJ / S. HP. W. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the switch voltage. the lighting voltage. R × I. corona. the switch voltage. the lighting voltage. R × I. corona. ANSWER DOWNLOAD EXAMIANS APP