Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 175 V 140 V 120 V 240 V 175 V 140 V 120 V 240 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for tape recorders wet grinders food mixers personal computers as cooling fan tape recorders wet grinders food mixers personal computers as cooling fan ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same voltage magnitude same frequency same phase sequence same prime mover speed same voltage magnitude same frequency same phase sequence same prime mover speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce eddy current loss. hysteresis loss. both 1 and 2. copper loss. eddy current loss. hysteresis loss. both 1 and 2. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is none of above. demagnetising. crossmagnetising. magnetising. none of above. demagnetising. crossmagnetising. magnetising. ANSWER DOWNLOAD EXAMIANS APP
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