DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only field flux only both (A) and (B) None of these armature current only field flux only both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Thyratron Thermistor Thyristor Transistor Thyratron Thermistor Thyristor Transistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Parallel with the armature None of the listed here Series-parallel with the armature Series with the armature Parallel with the armature None of the listed here Series-parallel with the armature Series with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor A stronger commutating field is needed at low speed than at high speed None of these A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed A stronger commutating field is needed at low speed than at high speed None of these A weaker commutating field is needed at low speed than at high speed Same commutating field is needed at low speed than at high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be Differentially compounded Under compounded Level compounded Cumulatively compounded Differentially compounded Under compounded Level compounded Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature ANSWER DOWNLOAD EXAMIANS APP