Electrical Machines In a DC Shunt Motor if the load current increases then field flux decreases. remains constant. increases. decreases decreases. remains constant. increases. decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? flux (φ) armature current (I) speed both A and B flux (φ) armature current (I) speed both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to auto transformer. None of these two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. auto transformer. None of these two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dissolve gas analysis of transformer oil is carried out to determine condition of bushings. condition of transformer oil. condition of transformer. condition of bushing stud. condition of bushings. condition of transformer oil. condition of transformer. condition of bushing stud. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be two. four. six. three. two. four. six. three. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is cumulative compound. series. shunt. differential compound. cumulative compound. series. shunt. differential compound. ANSWER DOWNLOAD EXAMIANS APP