Electrical Machines Total core loss is also called as -------------? Eddy current loss Copper loss Magnetic loss Hysteresis loss Eddy current loss Copper loss Magnetic loss Hysteresis loss 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? Induced emf. Armature current. Mechanical power. Can not be determined. Induced emf. Armature current. Mechanical power. Can not be determined. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce iron weight. dissipate more heat. reduce armature reaction. reduce pulsation loss. reduce iron weight. dissipate more heat. reduce armature reaction. reduce pulsation loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Lenzs law. Flemings right hand rule. Flemings left hand rule. Amperes law. Lenzs law. Flemings right hand rule. Flemings left hand rule. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 90° 0° Greater than 90° less than 90° 90° 0° Greater than 90° less than 90° 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
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