DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Series Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a motor falls from 1100 r.p.m. at no-load to 1050 r.p.m. at rated load. The speed regulation of the motor is 4.76% 8.85% 2.22% 6.77% 4.76% 8.85% 2.22% 6.77% ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. shunt motors as load is reduced The speed will remain almost/constant The speed will increase abruptly The speed will reduce The speed will increase in proportion to reduction in load The speed will remain almost/constant The speed will increase abruptly The speed will reduce The speed will increase in proportion to reduction in load ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The gross power The power drawn in kW The output power available at the shaft The power drawn in kVA The gross power The power drawn in kW The output power available at the shaft The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Field winding Commutator Slip rings Armature winding Field winding Commutator Slip rings Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the sparking To improve cooling To increase the generated emf To reduce the generated emf To reduce the sparking To improve cooling To increase the generated emf To reduce the generated emf ANSWER DOWNLOAD EXAMIANS APP
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