DC Motors Which D.C. motor is generally preferred for cranes and hoists? Cumulatively compounded motor Shunt motor Series motor Differentially compounded motor Cumulatively compounded motor Shunt motor Series motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens This will make armature to take heavy current, possibly burning it Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to the motor This will make armature to take heavy current, possibly burning it Motor will run at very slow speed This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc series motors are used in those applications where _____ is required. None of the listed here Low no load speed Constant speed High starting torque None of the listed here Low no load speed Constant speed High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor Series motor Differentially compounded motor Shunt motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Colliery winders Centrifugal pumps Steel rolling mills Elevators Colliery winders Centrifugal pumps Steel rolling mills Elevators ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Less than 50% Anywhere between 75% and 90% Around 90% 1 Less than 50% Anywhere between 75% and 90% Around 90% 1 ANSWER DOWNLOAD EXAMIANS APP
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