Electrical Machines In a DC generator the actual flux distribution depends upon shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Series. Shunt. Cummulative compound. Differentical compound. Series. Shunt. Cummulative compound. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Direction of rotation cannot be changed. Rotation can be changed by interchanging supply terminals. None of these. Rotation can be changed by reversing main winding terminals. Direction of rotation cannot be changed. Rotation can be changed by interchanging supply terminals. None of these. Rotation can be changed by reversing main winding terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is AC None of these DC AC and DC AC None of these DC AC and DC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the operating region of slip in a 1-phase induction motor? 0 < S < 2 -2 < S < 2 0 < S < 1 -1 < S < 1 0 < S < 2 -2 < S < 2 0 < S < 1 -1 < S < 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory performance of 3-phase 480V, 60 Hz induction motor, the supply voltage at 50 Hz should be equal to 400 V. 420 V. 480 V. 350 V. 400 V. 420 V. 480 V. 350 V. ANSWER DOWNLOAD EXAMIANS APP