Electrical Machines Open circuit test on transformer gives hysteresis loss eddy current loss both 1and 2 copper loss hysteresis loss eddy current loss both 1and 2 copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? closed slot----- leakage flux is high semi closed slot-----leakage flux is moderate open slot----- leakage flux is less All of these closed slot----- leakage flux is high semi closed slot-----leakage flux is moderate open slot----- leakage flux is less All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will improve and the speed falls. deteriorate and the speed falls. deteriorate and the speed rises. improve and the speed rises. improve and the speed falls. deteriorate and the speed falls. deteriorate and the speed rises. improve and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss Rotational loss All of these Stator core loss Stator copper loss Rotational loss All of these Stator core loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these AC. DC. both of above. None of these AC. DC. both of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying applied voltage. resistance of armature culture. all of these. its flux oer pole. applied voltage. resistance of armature culture. all of these. its flux oer pole. ANSWER DOWNLOAD EXAMIANS APP
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