Electrical Machines In DC shunt motor if load is increased, the speed reduce slightly. increase proportional. remains constant. increased slightly. reduce slightly. increase proportional. remains constant. increased slightly. 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
Electrical Machines In a DC generator the actual flux distribution depends upon clearance between tips of the adjacent pole shoes. size of air gap. all of above. shape of the pole shoe. clearance between tips of the adjacent pole shoes. size of air gap. all of above. shape of the pole shoe. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as an inductor. A capacitor. None of these. A resistor. an inductor. A capacitor. None of these. A resistor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Line voltage. Rotor current. Running torque. Slip. Line voltage. Rotor current. Running torque. Slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging series field connections. armature or field connections. armature connections. shunt field connections. series field connections. armature or field connections. armature connections. shunt field connections. ANSWER DOWNLOAD EXAMIANS APP
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