Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 10% 5% 40% 19% 10% 5% 40% 19% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? None of these armature current(Ia) both A and B flux(φ) None of these armature current(Ia) both A and B flux(φ) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will between zero and infinity. aprroach infinity. remain unchanged. approach zero. between zero and infinity. aprroach infinity. remain unchanged. approach zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be lightly loaded and underecited heavily loaded and over excited heavily loaded and underexcited lightly loaded and over excited lightly loaded and underecited heavily loaded and over excited heavily loaded and underexcited lightly loaded and over excited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of All of these power factor and dc excitation at constant load supply voltage and field current at constant excitation power factor and supply voltage during hunting All of these power factor and dc excitation at constant load supply voltage and field current at constant excitation power factor and supply voltage during hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 50 V. 399 V. 100 V. 230.2 V. 50 V. 399 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP