Electrical Machines Thin laminations are used in a machine in order to reduce Hysteresis losses Eddy current losses Both 1 and 2 Copper losses Hysteresis losses Eddy current losses Both 1 and 2 Copper losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is DC. both of above. AC. None of these DC. both of above. AC. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 115 V 460 V 230 V 200 V 115 V 460 V 230 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. high. low. zero. medium. high. low. zero. medium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is higher than power transformer. lesser than power transformer. none of these. equal as power transformer. higher than power transformer. lesser than power transformer. none of these. equal as power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor having 8 poles runs at 727.5 rpm. If the supply frequency is 50Hz, the emf in the rotor will have a frequency of 1.5Hz 51.5Hz 48.5Hz 2.5Hz 1.5Hz 51.5Hz 48.5Hz 2.5Hz ANSWER DOWNLOAD EXAMIANS APP
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