Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 850 rpm 900 rpm 1000 rpm 950 rpm 850 rpm 900 rpm 1000 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Decreases. Increases. Remains unchanged. None of above. Decreases. Increases. Remains unchanged. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines internal characteristics are plotted between Eg vs Ia Vt vs Ia Vt vs load current Eg vs load current Eg vs Ia Vt vs Ia Vt vs load current Eg vs load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon shape of the pole shoe. clearance between tips of the adjacent pole shoes. size of air gap. all of above. shape of the pole shoe. clearance between tips of the adjacent pole shoes. size of air gap. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be pulsed wave. sine wave. square wave. triangular wave. pulsed wave. sine wave. square wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 1600 Volt. 0 Volt. 1500 Volt. 2000 Volt. 1600 Volt. 0 Volt. 1500 Volt. 2000 Volt. ANSWER DOWNLOAD EXAMIANS APP
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