Hamad D.C. Motors 15/05/2023 A. 2.36% B. 4.76% C. 6.77% D. 8.84% Related Mcqs: No-load speed of which of the following motor will be highest ?A. Shunt motor B. Series motor C. Cumulative compound motor D. Differentiate compound motor... Which of the following load normally needs starting torque more than the rated torque?A. Blowers B. Conveyors C. Air compressors D. Centrifugal pumps... Which of the following method of speed control of D.C. machine will offer minimum efficiency ?A. Voltage control method B. Field control method C. Armature control method D. All above methods... Which of the following losses are significantly reduced by laminating the core of a D.C. generator ?A. Hysteresis losses B. Eddy current losses C. Copper losses D. Windage losses... Ward Leonard method of speed control is basically a______________?A. field control method B. armature controlled method C. field diverter D. frequency control method...
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