Electrical Machines For a dc machine shunt resistance and armature resistance values are low and low low and high high and low high and high low and low low and high high and low high and high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. Compound. None of them. Shunt. Series. Compound. None of them. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is capacitor run. capacitor start. shaded pole type. split phase. capacitor run. capacitor start. shaded pole type. split phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing divertor resistance of a DC series motor Decrease in speed demanding less armature current. Increase in speed but armature currnet remains the same. Increase in speed demanding more armature current. Decrease in speed but armature current remains the same. Decrease in speed demanding less armature current. Increase in speed but armature currnet remains the same. Increase in speed demanding more armature current. Decrease in speed but armature current remains the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of induction motors the ratio of length to pole pitch for minimum cost, is taken as 1.5 to 2. 2 to 3. 3 to 5. 1.0. 1.5 to 2. 2 to 3. 3 to 5. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Residual magnetism of the generator. Field resistance. Armature resistance. None of above. Residual magnetism of the generator. Field resistance. Armature resistance. None of above. ANSWER DOWNLOAD EXAMIANS APP
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