DC Motors The plugging gives the None of the listed here Highest torque braking Smallest torque braking Zero torque braking None of the listed here Highest torque braking Smallest torque braking Zero torque braking 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 field terminals None of the listed here Interchanging supply terminals Either of Interchanging field or Interchanging supply Interchanging field terminals None of the listed here Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. None of the listed here Above the normal speed only Above as well as below the normal speed Below the normal speed only None of the listed here Above the normal speed only Above as well as below the normal speed Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The output power available at the shaft The power drawn in kW The power drawn in kVA The gross power The output power available at the shaft The power drawn in kW The power drawn in kVA The gross power ANSWER DOWNLOAD EXAMIANS APP
DC Motors As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit A resistance is connected parallel to the armature A resistance is connected in series with armature Armature is temporarily open circuited A high value resistor is connected across the field winding A resistance is connected parallel to the armature A resistance is connected in series with armature Armature is temporarily open circuited A high value resistor is connected across the field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Lathe machine Centrifugal pump Air blower Locomotive Lathe machine Centrifugal pump Air blower ANSWER DOWNLOAD EXAMIANS APP
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