DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Series Cumulatively compounded Differentially compounded Shunt Series Cumulatively compounded Differentially compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will run noisy The motor will continue to run The motor will stop The armature may burn The motor will run noisy The motor will continue to run The motor will stop The armature may burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. Low no load speed None of the listed here High starting torque Constant speed Low no load speed None of the listed here High starting torque Constant speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Faraday's law Fleming's left hand rule Lenz's law Coloumb's law Faraday's law Fleming's left hand rule Lenz's law Coloumb's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Rheostatic braking Regenerative braking Plugging None of the listed here Rheostatic braking Regenerative braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half Twice One-third None of the listed here Half Twice One-third None of the listed here ANSWER DOWNLOAD EXAMIANS APP