Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Motor frame. Armature. Field. Coupling mounted on the shaft. Motor frame. Armature. Field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the armature will oscillate about original speed as the mean speed armature current will drop motor will become slow. motor will attain dangerously high speed armature will oscillate about original speed as the mean speed armature current will drop motor will become slow. motor will attain dangerously high speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip exists in none of above. induction motor. synchronous motor. in both machines. none of above. induction motor. synchronous motor. in both machines. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is equal as power transformer. none of these. lesser than power transformer. higher than power transformer. equal as power transformer. none of these. lesser than power transformer. higher than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of high viscosity. low viscosity. low resistivity. low BDV. high viscosity. low viscosity. low resistivity. low BDV. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 100 W, 2000 W. 3190 W, 5040 W. 6000 W, 7000 W. 1000 W, 5040 W. 100 W, 2000 W. 3190 W, 5040 W. 6000 W, 7000 W. 1000 W, 5040 W. ANSWER DOWNLOAD EXAMIANS APP