DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Series motor Cumulative compound motor Differentially compound motor Shunt motor Series motor Cumulative compound motor Differentially compound motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Field divertor Voltage regulator Armature divertor Potential divider Field divertor Voltage regulator Armature divertor Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Air blower Centrifugal pump Lathe machine Locomotive Air blower Centrifugal pump Lathe machine Locomotive ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Hopkinson's test Swinburne's test Field's test Brake test Hopkinson's test Swinburne's test Field's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Shunt motor Series motor Cummulative compounded motor Differentially compounded motor Shunt motor Series motor Cummulative compounded motor Differentially compounded motor 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% 8.85% 6.77% 2.22% 4.76% 8.85% 6.77% ANSWER DOWNLOAD EXAMIANS APP