DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Stator Commutator Frame Shaft Stator Commutator Frame Shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Shunt motor only Both shunt and compound motor Compound motor only Series motor only Shunt motor only Both shunt and compound motor Compound motor only Series motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Less than full-load current More than full-load current Almost negligible Rated full-load current Less than full-load current More than full-load current Almost negligible Rated full-load current 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 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 Nothing will happen to the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 0.4 mm 2 mm 10 mm 6 mm 0.4 mm 2 mm 10 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP