DC Motors Excessive motor vibration is caused by Bent shaft Worn bearings Open armature coil Too much brush tension Bent shaft Worn bearings Open armature coil Too much brush tension ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Field control Shunt armature control Mechanical loading system Armature voltage control Field control Shunt armature control Mechanical loading system Armature voltage control ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by None of the listed here Either of Interchanging field or Interchanging supply Interchanging supply terminals Interchanging field terminals None of the listed here Either of Interchanging field or Interchanging supply Interchanging supply terminals Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. Constant speed High starting torque Low no load speed None of the listed here Constant speed High starting torque Low no load speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load changes frequently None of these Where constant operating speed is needed Where load is constant Where load changes frequently None of these Where constant operating speed is needed Where load is constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors In the dc motor the iron losses occur in Field Armature Commutator Brushes Field Armature Commutator Brushes ANSWER DOWNLOAD EXAMIANS APP
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