DC Motors Ward-Leonard control is basically a Armature resistance control method Field divertor method Voltage control method Field control method Armature resistance control method Field divertor method Voltage control method Field control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Cummulative compound motor Series motor Differentially compound motor Shunt motor Cummulative compound motor Series motor Differentially compound motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Differentially compounded Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Not run Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 8 poles 2 poles 6 poles 4 poles 8 poles 2 poles 6 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It limits the starting current to a safe value It limits the speed of the motor None of the listed here It starts the motor It limits the starting current to a safe value It limits the speed of the motor None of the listed here It starts the motor ANSWER DOWNLOAD EXAMIANS APP