DC Motors In a dc motor constant torque is produced due to End plates Pole shoes Commutator Rotor laminations End plates Pole shoes Commutator Rotor laminations 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 Can be used for 50°C ambient temperature also Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Of lower H.P. should be selected Of higher H.P. should be selected Can be used for 50°C ambient temperature also Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Of lower H.P. should be selected Of higher H.P. should be selected ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Shunt motor Cummulative compound motor Series motor Differentially compound motor Shunt motor Cummulative compound motor Series motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Zero More than the normal speed Normal speed Loss than the normal speed Zero More than the normal speed Normal speed Loss than the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Potential divider Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor Armature divertor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Either series or shunt Shunt motor Series motor None of the listed here Either series or shunt Shunt motor Series motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP