DC Motors Which of the following motors is most suitable for signalling devices and many kinds of timers ? C. shunt motor Reluctance motor C. series motor Induction motor C. shunt motor Reluctance motor C. series motor Induction motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Series motor Differentially compound motor Cummulative compound motor Shunt motor Series motor Differentially compound motor Cummulative compound motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor None of the listed here Motor is run as a generator Motor is reversed in direction Motor is run at reduced speed None of the listed here Motor is run as a generator Motor is reversed in direction Motor is run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Voltage control method Field control method Armature resistance control method Field divertor method Voltage control method Field control method Armature resistance control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Mechanical loading system Shunt armature control Armature voltage control Field control Mechanical loading system Shunt armature control Armature voltage control Field control ANSWER DOWNLOAD EXAMIANS APP
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