Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively less and thick large and thin less and thin large and thick less and thick large and thin less and thin large and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements: To control the speed of a dc shunt motor above the base speed over a reasonably wide range, the motor must 1. have compensating winding 2. have interpole winding 3. be started using a 3-point starter 4. be started using a 4-point starter Of these statements 1, 2 and 4 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 4 are correct 1, 2 and 4 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 4 are correct ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce hysteresis loss. both 1 and 2. eddy current loss. copper loss. hysteresis loss. both 1 and 2. eddy current loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor in split phase induction motor is used to improve the power factor. start the motor. improve the starting torque. reduce the harmonics. improve the power factor. start the motor. improve the starting torque. reduce the harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The armature current will reduce. DC Shunt Motor The motor will attain dangerously high speed. The speed of motor will be reduced. The armature current will reduce. DC Shunt Motor The motor will attain dangerously high speed. The speed of motor will be reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor will remain the same will become lagging None of these will become leading will remain the same will become lagging None of these will become leading ANSWER DOWNLOAD EXAMIANS APP
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