DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Armature divertor Voltage regulator Field divertor Potential divider Armature divertor Voltage regulator Field divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Differentially compound motor Series motor Cumulative compound motor Shunt motor Differentially compound motor Series motor Cumulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because 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 It limits the starting current to a safe value ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Armature reaction Field excitation None of the listed here Load Armature reaction Field excitation None of the listed here Load ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Shunt armature control Mechanical loading system Armature voltage control Field control Shunt armature control Mechanical loading system Armature voltage control Field control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Eddy current losses Copper losses Hysteresis losses Windage losses Eddy current losses Copper losses Hysteresis losses Windage losses ANSWER DOWNLOAD EXAMIANS APP
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