Electrical Machines Reactive power generated or delivered significantly depends on excitation. both 1 and 2. frequency. load angle. excitation. both 1 and 2. frequency. load angle. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? Star-delta starter. All of these. Auto transformer starter. DOL starter. Star-delta starter. All of these. Auto transformer starter. DOL starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, if the supply voltage and frequency are reduced by the same ratio, then slip at which maximum torque occurs is less and maximum torque decreases more and maximum torque remains constant less and maximum torque increases more and maximum torque decreases less and maximum torque decreases more and maximum torque remains constant less and maximum torque increases more and maximum torque decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will None of these decrease increase not changed None of these decrease increase not changed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces damping torqe. both 1 and 2. eddy current torque. no torque. damping torqe. both 1 and 2. eddy current torque. no torque. ANSWER DOWNLOAD EXAMIANS APP