Electrical Machines Armature resistance control method is also called as-----------? constant voltage control constant current control constant torque control constant power control constant voltage control constant current control constant torque control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance field winding will burn. machine will generate maximum power. the voltage generated will be zero. machine will generate maximum voltage. field winding will burn. machine will generate maximum power. the voltage generated will be zero. machine will generate maximum voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Bush bearings. Ball bearings. Cast iron bearings. None of these Bush bearings. Ball bearings. Cast iron bearings. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results open circuit. short circuit. increase in speed. decrease in speed. open circuit. short circuit. increase in speed. decrease in speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Centrifugal pumps Lathes. Blowers and fans. All of this. Centrifugal pumps Lathes. Blowers and fans. All of this. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 6 / 7. 4 / 5. 5 / 6. 2 / 3. 6 / 7. 4 / 5. 5 / 6. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP