DC Motors For starting a dc motor a starter is required because None of the listed here It limits the speed of the motor It starts the motor It limits the starting current to a safe value None of the listed here It limits the speed of the motor It starts the motor It limits the starting current to a safe value ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Highest torque braking Zero torque braking Smallest torque braking None of the listed here Highest torque braking Zero torque braking Smallest torque braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load changes frequently Where constant operating speed is needed Where load is constant None of these Where load changes frequently Where constant operating speed is needed Where load is constant None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor Of lower H.P. should be selected Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Can be used for 50°C ambient temperature also Of lower H.P. should be selected Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Can be used for 50°C ambient temperature also ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is Infinity 2000 rpm 1000 rpm 4000 rpm Infinity 2000 rpm 1000 rpm 4000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Commutator Yoke Size of conductor Winding Commutator Yoke Size of conductor Winding ANSWER DOWNLOAD EXAMIANS APP