Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in opposite direction. motor will not run. it will run in same direction by slowly. it will run in same direction. it will run in opposite direction. motor will not run. it will run in same direction by slowly. it will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Any of above. Armature resistance control. Armature voltage control. Shunt field resistance control. Any of above. Armature resistance control. Armature voltage control. Shunt field resistance control. 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 less than 10% be more than 10% be 12.5% remain unchanged be less than 10% be more than 10% be 12.5% remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? Electrical power transformer. Electrical power generator. Induction motor. DC motor. Electrical power transformer. Electrical power generator. Induction motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/ 4Sa PZL/4Sp² PZL/4Sa² PZL/4S PZL/ 4Sa PZL/4Sp² PZL/4Sa² PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 60° 45° 10° 30° 60° 45° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
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