Electrical Machines DC shunt motors are suitable for All of this. Blowers and fans. Centrifugal pumps Lathes. All of this. Blowers and fans. Centrifugal pumps Lathes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Fleming's left hand rule. Ampere law. Fleming's right hand rule. Lenz's law. Fleming's left hand rule. Ampere law. Fleming's right hand rule. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the effect of armature reaction ? Armature flux weakens the main field flux. None of the options. Both option B and C. Armature flux distorts the main field flux. Armature flux weakens the main field flux. None of the options. Both option B and C. Armature flux distorts the main field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Essential conditions for two DC generators are connecting for parallel operation is/are terminal voltage should be same. polarities should be same. rating of generators should be same. both A and B. terminal voltage should be same. polarities should be same. rating of generators should be same. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on rotating magnetic field. stationary magnetic field. either of these. None of these rotating magnetic field. stationary magnetic field. either of these. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 5% 19% 40% 10% 5% 19% 40% 10% ANSWER DOWNLOAD EXAMIANS APP