DC Motors A compensating winding is an auxiliary winding embedded in slots in Partly in pole faces, partly in armature The pole faces of main poles None of the listed here The armature Partly in pole faces, partly in armature The pole faces of main poles None of the listed here The armature 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 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 higher H.P. should be selected Of lower 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 higher H.P. should be selected ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Battery operated motor Shunt motor Series motor Air motor Battery operated motor Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Flux only Both flux and speed Speed only None of the listed here Flux only Both flux and speed Speed only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A highly resistive circuit A capacitive circuit A low resistance circuit None of these A highly resistive circuit A capacitive circuit A low resistance circuit None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Field divertor Armature divertor Voltage regulator Potential divider Field divertor Armature divertor Voltage regulator ANSWER DOWNLOAD EXAMIANS APP