DC Motors In D.C. shunt motors as load is reduced The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will reduce The speed will remain almost/constant The speed will increase abruptly The speed will increase in proportion to reduction in load The speed will reduce The speed will remain almost/constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will run at very slow speed This will make armature to take heavy current, possibly burning it Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will run at very slow speed This will make armature to take heavy current, possibly burning it ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor is generally preferred for cranes and hoists? Differentially compounded motor Shunt motor Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 8 poles 6 poles 4 poles 2 poles 8 poles 6 poles 4 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because It limits the speed of the motor It starts the motor None of the listed here It limits the starting current to a safe value It limits the speed of the motor It starts the motor None of the listed here It limits the starting current to a safe value ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Armature rotor Armature conductors Commutator Yoke Armature rotor Armature conductors Commutator Yoke ANSWER DOWNLOAD EXAMIANS APP
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