DC Motors A compensating winding is an auxiliary winding embedded in slots in 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 The pole faces of main poles The armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will not run at all Motor will run at very high speed Motor will run at very slow speed Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed Motor will burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 2.0 0.5 4.0 1.0 2.0 0.5 4.0 1.0 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Parallel with armature Series-parallel with armature None of the listed here Series with armature Parallel with armature Series-parallel with armature None of the listed here Series with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Four point starter is used All above can be used Three point starter is used Drum type controller is used Four point starter is used All above can be used Three point starter is used Drum type controller is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor Can be used for 50°C ambient temperature also Of lower H.P. should be selected Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor Can be used for 50°C ambient temperature also Of lower H.P. should be selected Of higher H.P. should be selected Is to be de-rated by a factor recommended by manufacturer and select the next higher H.P. motor ANSWER DOWNLOAD EXAMIANS APP
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