DC Motors Which method of braking is generally used in elevators? Plugging None of these Regenerative braking Rheostat braking Plugging None of these Regenerative braking Rheostat braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque High starting torque Variable speed Frequent on-off cycles Low starting torque High starting torque Variable speed Frequent on-off cycles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Series motor Shunt motor None of the listed here Either series or shunt Series motor Shunt motor None of the listed here Either series or shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Load Field excitation None of the listed here Armature reaction Load Field excitation None of the listed here Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Self-induced e.m.f. Mutually induced e.m.f. Back e.m.f. None of these Self-induced e.m.f. Mutually induced e.m.f. Back e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging supply terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals Interchanging supply terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
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