DC Motors For starting a dc motor a starter is required because None of the listed here It limits the starting current to a safe value It starts the motor It limits the speed of the motor None of the listed here It limits the starting current to a safe value It starts the motor It limits the speed of the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Series Shunt Differentially compounded Cumulatively compounded Series Shunt Differentially compounded Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. None of the listed here Constant speed High starting torque Low no load speed None of the listed here Constant speed High starting torque Low no load speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Armature current Field and armature resistance Flux Speed Armature current Field and armature resistance Flux Speed 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 Armature is temporarily open circuited A resistance is connected in series with armature A high value resistor is connected across the field winding A resistance is connected parallel to the armature Armature is temporarily open circuited A resistance is connected in series with armature A high value resistor is connected across the field winding A resistance is connected parallel to the armature ANSWER DOWNLOAD EXAMIANS APP
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