Electrical Machines Which of the following motors has negative speed regulation? Both B and C. Series motors. Shunt motors. Differential compound motors. Both B and C. Series motors. Shunt motors. Differential compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the motor will attain dangerously high speed armature will oscillate about original speed as the mean speed armature current will drop motor will become slow. motor will attain dangerously high speed armature will oscillate about original speed as the mean speed armature current will drop motor will become slow. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is √3 1/√3 3 1/3 √3 1/√3 3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? triangular flat tapped or trapezoidal peaky in nature saddle shape triangular flat tapped or trapezoidal peaky in nature saddle shape ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. Compensating winding will act under the pole. None of these Both A and B. Inter pole winding will act in interpolar region. ANSWER DOWNLOAD EXAMIANS APP
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