Electrical Machines Reversing the direction of rotation of split phase motors is done by interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. reversing the terminals of starting winding. 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 The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 3 %. 0 .001 %. 3.33 %. None of these 3 %. 0 .001 %. 3.33 %. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Circle about the origin. Straight line parallel to the speed axis. Rectangular hyperbola Straight line through the origin. Circle about the origin. Straight line parallel to the speed axis. Rectangular hyperbola Straight line through the origin. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with constant V, Tst increases None of these either of these constant supply voltage V, starting torque Tst decreases constant V, Tst increases None of these either of these constant supply voltage V, starting torque Tst decreases ANSWER DOWNLOAD EXAMIANS APP
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