Electrical Machines Dynamic braking is employed to brake non reversing drive reversing drive None of these both 1 and 2 non reversing drive reversing drive None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 230.2 V. 399 V. 50 V. 100 V. 230.2 V. 399 V. 50 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. tertiary winding. both shunt and series field winding. only series field winding. only shunt field winding. tertiary winding. both shunt and series field winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? None of these. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Increase speed Increase acceleration duration. Reduce armature heating. Reduce starting torque. Increase speed Increase acceleration duration. Reduce armature heating. Reduce starting torque. ANSWER DOWNLOAD EXAMIANS APP