DC Motors In which of the following tests only one motor is required? Swinburne's test Hopkinson's test Brake test Field's test Swinburne's test Hopkinson's test Brake test Field's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Armature circuit resistance Aplied voltage Is flux All of the listed here Armature circuit resistance Aplied voltage Is flux All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in None of the listed here Series with armature Series-parallel with armature Parallel with armature None of the listed here Series with armature Series-parallel with armature Parallel with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Armature reaction Load Field excitation None of the listed here Armature reaction Load Field excitation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit Armature is temporarily open circuited A resistance is connected parallel to the armature A resistance is connected in series with armature A high value resistor is connected across the field winding Armature is temporarily open circuited A resistance is connected parallel to the armature A resistance is connected in series with armature A high value resistor is connected across the field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature ANSWER DOWNLOAD EXAMIANS APP