DC Motors Which of the following application requires high starting torque? Lathe machine Centrifugal pump Air blower Locomotive Lathe machine Centrifugal pump Air blower Locomotive ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Faraday's law Lenz's law Coloumb's law Fleming's left hand rule Faraday's law Lenz's law Coloumb's law Fleming's left hand rule ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Cumulative compound motor Series motor Differentially compound motor Shunt motor Cumulative compound motor Series motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Voltage control method Field divertor method Armature resistance control method Field control method Voltage control method Field divertor method Armature resistance control method Field control method 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 This will make armature to take heavy current, possibly burning it Motor will run at very slow speed Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses This will make armature to take heavy current, possibly burning it Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Field copper loss Armature copper loss None of these Windage loss Field copper loss Armature copper loss None of these Windage loss ANSWER DOWNLOAD EXAMIANS APP
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