Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 13 HP. 15 HP. 10 HP. 14 HP. 13 HP. 15 HP. 10 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. Field resistance. None of above. Residual magnetism of the generator. Armature resistance. Field resistance. None of above. Residual magnetism of the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? To get a superior commutation. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. To get a superior commutation. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine with more drooping characteristic will supply less load. None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. the machine with more drooping characteristic will supply less load. None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Both type rotor. Cylindrical rotor. Salient pole rotor. None of these Both type rotor. Cylindrical rotor. Salient pole rotor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be 12.5% be more than 10% be less than 10% remain unchanged be 12.5% be more than 10% be less than 10% remain unchanged ANSWER DOWNLOAD EXAMIANS APP