Electrical Machines Open circuit test on transformer gives both 1and 2 hysteresis loss eddy current loss copper loss both 1and 2 hysteresis loss eddy current loss copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be inversely proportional to MVA rating of transformers. proportionate to MVA rating of transformers. same. such that actual impedance of all transformers would be same. inversely proportional to MVA rating of transformers. proportionate to MVA rating of transformers. same. such that actual impedance of all transformers would be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stability of a synchronous motor ---------- with the increase in excitation. remains unaffected any of the above increases decreases remains unaffected any of the above increases decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between stator and the rotor of the 3 - φ induction motor is kept depends on the material of stator and the rotor. as small as possible. air gap does not matter. as wide as possible. depends on the material of stator and the rotor. as small as possible. air gap does not matter. as wide as possible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? unity slip low slip region high slip region both 1 and 2 unity slip low slip region high slip region both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? both 1 and 2 power factor of load None of these magnitude of load current both 1 and 2 power factor of load None of these magnitude of load current ANSWER DOWNLOAD EXAMIANS APP
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