DC Motors The friction and windage losses in a dc motor depends upon Flux Armature current Field and armature resistance Speed Flux Armature current Field and armature resistance Speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is inversely proportional to applied voltage None of the listed here inversely proportional to flux per pole Directly proportional to flux per pole inversely proportional to applied voltage None of the listed here inversely proportional to flux per pole Directly proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Machine shops Air compressors Electric traction Pumping sets Machine shops Air compressors Electric traction Pumping sets ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Full-load current Operating speed Starting torque All of these Full-load current Operating speed Starting torque All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The output power available at the shaft The gross power The power drawn in kVA The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA The power drawn in kW ANSWER DOWNLOAD EXAMIANS APP
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