Electrical Machines The main disadvantage(s) of the ward-Leonard system is/are high initial cost. poor overall efficiency. high maintenance cost. all of above. high initial cost. poor overall efficiency. high maintenance cost. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 0 any of the above 0.5 1 0 any of the above 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC series generator, the terminal voltage with increase in load will increase to rated voltage and then may decrease increase gradually and then stay at rated voltage decrease remain nearly constant increase to rated voltage and then may decrease increase gradually and then stay at rated voltage decrease remain nearly constant ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The primary and secondary windings of a transformer are electrically linked. inductively linked. mechanically linked. conductively linked. electrically linked. inductively linked. mechanically linked. conductively linked. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine armature winding has thin leads whereas field winding has thick leads both the windings have thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thin leads armature winding has thin leads whereas field winding has thick leads both the windings have thick leads armature winding has thick leads whereas field winding has thin leads both the windings have thin leads ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is demagnetizing. ineffective. magnetizing. cross – magnetizing. demagnetizing. ineffective. magnetizing. cross – magnetizing. ANSWER DOWNLOAD EXAMIANS APP
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