Electrical Machines If field current is decreased in shunt dc motor, the speed of the motor increases. remains same. None of these decreases. increases. remains same. None of these decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to 1.5 %. less than 1 %. zero. 4 %. 1.5 %. less than 1 %. zero. 4 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 500 rpm 250 rpm 1000 rpm 2000 rpm 500 rpm 250 rpm 1000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has average value. total value. rms value. maximum value. average value. total value. rms value. maximum value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, which of these parameters remain the same whether it runs as a DC motor or a DC generator? Armature current. Induced emf. Mechanical power. Can not be determined. Armature current. Induced emf. Mechanical power. Can not be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to both 1 and 2. decrease the load current. suppress the hunting. increase the load current. both 1 and 2. decrease the load current. suppress the hunting. increase the load current. ANSWER DOWNLOAD EXAMIANS APP
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