DC Motors Which of the following methods gives the greatest braking torque? Regenerative braking Rheostatic braking Plugging None of the listed here Regenerative braking Rheostatic braking Plugging None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Differentially compounded Cumulatively compounded Series Shunt Differentially compounded Cumulatively compounded Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to End plates Rotor laminations Commutator Pole shoes End plates Rotor laminations Commutator Pole shoes ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Increase Become zero Decrease Remains same Increase Become zero Decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It starts the motor It limits the speed of the motor It limits the starting current to a safe value None of the listed here It starts the motor It limits the speed of the motor It limits the starting current to a safe value None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will run at very slow speed Motor will burn Motor will run at very high speed Motor will not run at all Motor will run at very slow speed Motor will burn Motor will run at very high speed Motor will not run at all ANSWER DOWNLOAD EXAMIANS APP
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