Electrical Machines Which of the following motors is/are widely used? either of these None of these slip ring induction motor squirrel cage induction motor either of these None of these slip ring induction motor squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 168.75 W 75 W 50 W 112.5 W 168.75 W 75 W 50 W 112.5 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? D.C. shunt motor. None of these D.C. cumulative compound motor. D.C . series motor. D.C. shunt motor. None of these D.C. cumulative compound motor. D.C . series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. decreased. increased. remains same. kept constant to certain value. decreased. increased. remains same. kept constant to certain value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has starting torque equal to full-load torque. zero starting torque. low starting torque. high starting torque. starting torque equal to full-load torque. zero starting torque. low starting torque. high starting torque. ANSWER DOWNLOAD EXAMIANS APP
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