DC Motors Small dc motors up to 5 HP usually have 8 poles 4 poles 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 10 mm 6 mm 0.4 mm 2 mm 10 mm 6 mm 0.4 mm 2 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Air blower Lathe machine Centrifugal pump Locomotive Air blower Lathe machine Centrifugal pump 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 Anywhere between 75% and 90% 1 Around 90% Less than 50% Anywhere between 75% and 90% 1 Around 90% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens This will make armature to take heavy current, possibly burning it Motor will come to stop This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor This will make armature to take heavy current, possibly burning it Motor will come to stop This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Nothing will happen to motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at None of the listed here No load Full load Half full load None of the listed here No load Full load Half full load ANSWER DOWNLOAD EXAMIANS APP
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