DC Motors A dc series motor is that which Can be started easily without load Has a poor torque Has almost constant speed Has its field winding consisting of thick wire and less turns Can be started easily without load Has a poor torque Has almost constant speed Has its field winding consisting of thick wire and less turns ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Cumulatively compounded Series Differentially compounded Shunt Cumulatively compounded Series Differentially compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed Zero Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be 1 Anywhere between 75% and 90% Less than 50% Around 90% 1 Anywhere between 75% and 90% Less than 50% Around 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to field flux only armature current only both (A) and (B) None of these field flux only armature current only both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will increase in proportion to reduction in load The speed will reduce The speed will remain almost/constant The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will reduce The speed will remain almost/constant The speed will increase abruptly ANSWER DOWNLOAD EXAMIANS APP