Electrical Machines If the field circuit of a DC shunt motor is opened DC Shunt Motor The armature current will reduce. The speed of motor will be reduced. The motor will attain dangerously high speed. DC Shunt Motor The armature current will reduce. The speed of motor will be reduced. The motor will attain dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Decreasing the field current. Increasing the armature current. Increasing the field current. Increasing the field current. Decreasing the field current. Increasing the armature current. Increasing the field current. Increasing the field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging of induction motor occurs at high voltage and when stator and rotor poles are equal. low voltage and when stator and rotor poles are equal. high voltage and when stator and rotor poles are not equal. low voltage and when stator and rotor poles are not equal. high voltage and when stator and rotor poles are equal. low voltage and when stator and rotor poles are equal. high voltage and when stator and rotor poles are not equal. low voltage and when stator and rotor poles are not equal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in voltage. speed and voltage. speed. load. voltage. speed and voltage. speed. load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the dynamically induced voltage. None of these statically induced voltage. reactance voltage. dynamically induced voltage. None of these statically induced voltage. reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Shaft torque. Rotor speed. Core loss component. Synchronous speed. Shaft torque. Rotor speed. Core loss component. Synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
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