DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Series motor Differentially compound motor Cumulative compound motor Shunt motor Series motor Differentially compound motor Cumulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Field copper loss None of these Windage loss Armature copper loss Field copper loss None of these Windage loss 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 Of lower H.P. should be selected Can be used for 50°C ambient temperature also 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 Of lower H.P. should be selected Can be used for 50°C ambient temperature also 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
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 torque developed by a dc motor is directly proportional to Armature resistance × applied voltage None of the listed here Armature resistance × armature current Flux per pole × armature current Armature resistance × applied voltage None of the listed here Armature resistance × armature current Flux per pole × armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Shunt motor only Series motor only Both shunt and compound motor Compound motor only Shunt motor only Series motor only Both shunt and compound motor Compound motor only ANSWER DOWNLOAD EXAMIANS APP
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