Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.54. 1. 0.7. 0.3. 0.54. 1. 0.7. 0.3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An 8 pole DC generator has 500 armature conductors and useful flux per pole of 0.065 Wb. What will be the emf generated if it is lap connected and runs at 1000 rpm. What must be the speed at which it is driven to produce the same emf if it is wave wound? 541.67V, 200 rpm. 2166.67V, 230 rpm. 541.67V, 250 rpm. 2166.67V, 270 rpm. 541.67V, 200 rpm. 2166.67V, 230 rpm. 541.67V, 250 rpm. 2166.67V, 270 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of ohmic losses. eddy current losses. hysteresis losses. mechanical losses. ohmic losses. eddy current losses. hysteresis losses. mechanical losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? DC shunt generator. DC series generator. None of these. Compounded DC generator. DC shunt generator. DC series generator. None of these. Compounded DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in food processing traction All of these computer printers food processing traction All of these computer printers ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load primary current in a transformer leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage somewhat less than 90à lags behind applied voltage by exactly 90Â&am leads the applied voltage by exactly 90Â& leads the applied voltage somewhat less than 90Ã& lags behind applied voltage somewhat less than 90à lags behind applied voltage by exactly 90Â&am ANSWER DOWNLOAD EXAMIANS APP
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