Electrical Machines Eddy current loss will depends on Thickness All of these Flux density Frequency Thickness All of these Flux density Frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.9 lag unity 0.2 lead 0.2 lag 0.9 lag unity 0.2 lead 0.2 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starter is not used with large DC motor for starting, it will damage the armature and commutator. provide execessive voltage drop in line. draw a starting current many times its rated full load current. all of above. damage the armature and commutator. provide execessive voltage drop in line. draw a starting current many times its rated full load current. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is K²R1 R1 /K² R1 /K K×R1 K²R1 R1 /K² R1 /K K×R1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 3 or 4 0 2 1 3 or 4 0 2 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Synchronous motors Both Synchronous and Induction motor DC Shunt Motor Induction motors Synchronous motors Both Synchronous and Induction motor DC Shunt Motor Induction motors ANSWER DOWNLOAD EXAMIANS APP
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