DC Motors Which motor should be used for centrifugal pumps? Either series or shunt Shunt motor Series motor None of the listed here Either series or shunt Shunt motor Series motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be 80 to 90 % 60 to 70 % 100 % Less than 50% 80 to 90 % 60 to 70 % 100 % Less than 50% ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The armature 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 ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Remains same Increase Decrease Become zero Remains same Increase Decrease 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 2.22% 4.76% 6.77% 8.85% 2.22% 4.76% 6.77% 8.85% ANSWER DOWNLOAD EXAMIANS APP
DC Motors In case the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be Anywhere between 75% and 90% Less than 50% Around 90% 1 Anywhere between 75% and 90% Less than 50% Around 90% 1 ANSWER DOWNLOAD EXAMIANS APP
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