Power Systems Surge impedance loading of a transmission line can be increased by both 1 and 3 increasing its voltage level addition of lumped capacitance in series addition of lumped inductance in parallel both 1 and 3 increasing its voltage level addition of lumped capacitance in series addition of lumped inductance in parallel ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Plain oil CB. Minimum oil CB. Air break CB. Air blast CB. Plain oil CB. Minimum oil CB. Air break CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plants, pressure in the working fluid cycle is developed by condenser. turbine. feed water pump. superheater. condenser. turbine. feed water pump. superheater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 20 13 21 10 20 13 21 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 10 20 8 4 10 20 8 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on corona. the lighting voltage. R × I. the switch voltage. corona. the lighting voltage. R × I. the switch voltage. ANSWER DOWNLOAD EXAMIANS APP
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