DC Motors Which D.C. motor has got maximum self loading property? Series motor Differentially compounded motor Cumulatively compounded motor Shunt motor Series motor Differentially compounded motor Cumulatively compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run Run at lower speed Burn due to heat produced in the field winding by eddy currents Run at normal speed Not run ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to None of these field flux only armature current only both (A) and (B) None of these field flux only armature current only both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Normal speed More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed Zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor A weaker 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 Same commutating field is needed at low speed than at high speed A weaker 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 Same commutating field is needed at low speed than at high speed ANSWER DOWNLOAD EXAMIANS APP
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