DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will run at very slow speed Nothing will happen to the motor This will make armature to take heavy current, possibly burning it This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will run at very slow speed Nothing will happen to the motor This will make armature to take heavy current, possibly burning it ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Either series or shunt None of the listed here Shunt motor Series motor Either series or shunt None of the listed here Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor None of these 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 Same 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 A stronger 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 The commutating pole winding is connected in Parallel with the armature Series with the armature Series-parallel with the armature None of the listed here Parallel with the armature Series with the armature Series-parallel with the armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which 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 Can be started easily without load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS