Electrical Machines A 3 stack stepper motor has 12 teeth on stator as well as on rotor. Determine the step size when each stack excited? 10°. 30°. 24°. 45°. 10°. 30°. 24°. 45°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature reaction mmf in a DC machines has a form of sinusoidal. rectangular. triangular. trapezoidal. sinusoidal. rectangular. triangular. trapezoidal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 950 rpm 1000 rpm 850 rpm 900 rpm 950 rpm 1000 rpm 850 rpm 900 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? None of these Bush bearings. Cast iron bearings. Ball bearings. None of these Bush bearings. Cast iron bearings. Ball bearings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine the armature mmf is stationary with respect to armature. rotating with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to field poles. stationary with respect to armature. rotating with respect to field poles. rotating with respect to field poles as well as armature. stationary with respect to field poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? None of these. Compounded DC generator. DC shunt generator. DC series generator. None of these. Compounded DC generator. DC shunt generator. DC series generator. ANSWER DOWNLOAD EXAMIANS APP
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