DC Motors The most suitable motor for elevators is the ____ motor. Series Shunt Differentially compuonded Cummulative compounded Series Shunt Differentially compuonded Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals 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 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is High maintenance cost High initial cost All of these Low efficiency at high loads High maintenance cost High initial cost All of these Low efficiency at high loads ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Armature voltage control Mechanical loading system Shunt armature control Field control Armature voltage control Mechanical loading system Shunt armature control Field control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Series motor only Shunt motor only Both shunt and compound motor Compound motor only Series motor only Shunt motor only Both shunt and compound motor Compound motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Armature rotor Commutator Armature conductors Yoke Armature rotor Commutator Armature conductors ANSWER DOWNLOAD EXAMIANS APP
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