DC Motors ______ motors never use belt connected loads. Series Shunt Differentially compounded Cummulative compounded Series Shunt Differentially compounded Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 4000 rpm 2000 rpm 1000 rpm Infinity 4000 rpm 2000 rpm 1000 rpm Infinity ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Field control Armature voltage control Mechanical loading system Shunt armature control Field control Armature voltage control Mechanical loading system Shunt armature control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking Plugging None of the listed here Rheostatic braking Regenerative braking Plugging None of the listed here Rheostatic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Armature conductors Commutator Yoke Armature rotor Armature conductors Commutator Yoke Armature rotor ANSWER DOWNLOAD EXAMIANS APP