Electrical Machines In DC machine torque depends on which of the following? speed flux (φ) armature current (I) both A and B speed flux (φ) armature current (I) both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has more stability cylindrical motor None of these both motors has same stability salient pole motor cylindrical motor None of these both motors has same stability salient pole motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are mechanically linked. electrically linked. conductively linked. inductively linked. mechanically linked. electrically linked. conductively linked. inductively linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron increases the hysteresis loss. reduces the saturation magnetization. None of these increases the electrical resistivity of iron. increases the hysteresis loss. reduces the saturation magnetization. None of these increases the electrical resistivity of iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for wet grinders food mixers personal computers as cooling fan tape recorders wet grinders food mixers personal computers as cooling fan tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC motors are stopped by opening line switches and not by forcing the handle of the motor starter back to OFF position. This is due to occurance of Both of above. None of these. Heavy sparking at the first stud of starting resistance steps. Heavy sparking at brushes. Both of above. None of these. Heavy sparking at the first stud of starting resistance steps. Heavy sparking at brushes. ANSWER DOWNLOAD EXAMIANS APP