Electrical Machines In DC generators, electric current to the external circuit from armature is given through slip rings. solid connection. commutator. none of above. slip rings. solid connection. commutator. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are inductively linked. electrically linked. mechanically linked. conductively linked. inductively linked. electrically linked. mechanically linked. conductively linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Magnetization Demagnetization Cross magnetization None of these Magnetization Demagnetization Cross magnetization None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetisation. demagnetisation. none of above. cross-magnetization as well as demagnetization. cross-magnetisation. demagnetisation. none of above. cross-magnetization as well as demagnetization. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides a large starting torque. reduced starting torque. low noise. higher efficiency. a large starting torque. reduced starting torque. low noise. higher efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of starting winding. reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of starting winding. ANSWER DOWNLOAD EXAMIANS APP
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