DC Motors For constant torque drive which speed control method is preferred? Armature voltage control Shunt armature control Mechanical loading system Field control Armature voltage control Shunt armature control Mechanical loading system Field control ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the speed of dc motor increases, its armature current Decreases None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Anywhere between 75% and 90% 1 Less than 50% Around 90% Anywhere between 75% and 90% 1 Less than 50% Around 90% ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above as well as below the normal speed Above the normal speed only None of the listed here Below the normal speed only Above as well as below the normal speed Above the normal speed only None of the listed here Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors The torque developed by a dc motor is directly proportional to Armature resistance × applied voltage Armature resistance × armature current Flux per pole × armature current None of the listed here Armature resistance × applied voltage Armature resistance × armature current Flux per pole × armature current None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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