DC Motors Ward-Leonard control is basically a Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method Field control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Cummulative compounded Differentially compounded Shunt Series Cummulative compounded Differentially compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To spread out flux for better uniformity To reduce eddy current loss To support the field coils To reduce the reluctance of the magnetic path To spread out flux for better uniformity To reduce eddy current loss To support the field coils To reduce the reluctance of the magnetic path ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Hysteresis losses Eddy current losses Copper losses Windage losses Hysteresis losses Eddy current losses Copper losses 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 power drawn in kVA The power drawn in kW The gross power The output power available at the shaft The power drawn in kVA The power drawn in kW The gross power ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Not run Burn due to heat produced in the field winding by eddy currents Run at lower speed Run at normal speed Not run Burn due to heat produced in the field winding by eddy currents Run at lower speed Run at normal speed ANSWER DOWNLOAD EXAMIANS APP