DC Motor Types MCQ || Type of DC Motors Questions and Answers
1. Which test is used to determine the efficiency of a traction motor? Field’s test Hopkinson’s test Retardation test Swinburne’s test 2. A 460 V series motor runs at 500 rpm taking a current of 40 A. Calculate the percentage change in torque if the load is changed so that the motor takes 30 …
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