Electrical Machines The ventilating ducts in most of DC machine are radial. none of these. longitudinal. radial as well as longitudinal. radial. none of these. longitudinal. radial as well as longitudinal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of aluminium. silicon steel. closed grained cast iron. stainless steel. aluminium. silicon steel. closed grained cast iron. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as prime mover. rotating amplifier. power pump. rectifier. prime mover. rotating amplifier. power pump. rectifier. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Over-excitation. Over-loading for long period. Periodic variation of load. Small and constant load. Over-excitation. Over-loading for long period. Periodic variation of load. Small and constant load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.02, 1.98 0.04, 0.96 0.04, 1.96 0.02, 0.98 0.02, 1.98 0.04, 0.96 0.04, 1.96 0.02, 0.98 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? both 1 and 2 3-phase induction motor 1-phase induction motor None of these both 1 and 2 3-phase induction motor 1-phase induction motor None of these ANSWER DOWNLOAD EXAMIANS APP
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