DC Motors In the dc motor the iron losses occur in Brushes Field Commutator Armature Brushes Field Commutator Armature 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 Cumulatively compounded Level compounded Differentially compounded Under compounded Cumulatively compounded Level compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? High starting torque Stability Wide speed range Low cost High starting torque Stability Wide speed range Low cost 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 Less than 50% Around 90% 1 Anywhere between 75% and 90% Less than 50% Around 90% 1 Anywhere between 75% and 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Armature voltage control Field control Shunt armature control Mechanical loading system Armature voltage control Field control Shunt armature control Mechanical loading system ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
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