DC Motors In a dc motor constant torque is produced due to End plates Commutator Pole shoes Rotor laminations End plates Commutator Pole shoes Rotor laminations ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally 1000 Ω Infinitely large Around 500 Ω Low 1000 Ω Infinitely large Around 500 Ω Low ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Differentially compounded motor Series motor Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor Cumulatively compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Armature resistance control method Field control method Voltage control method Field divertor method Armature resistance control method Field control method Voltage control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive motor vibration is caused by Worn bearings Open armature coil Too much brush tension Bent shaft Worn bearings Open armature coil Too much brush tension Bent shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Differentially compounded Shunt Cumulatively compounded Series Differentially compounded Shunt Cumulatively compounded Series ANSWER DOWNLOAD EXAMIANS APP
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