DC Motors In which of the following tests only one motor is required? Brake test Field's test Hopkinson's test Swinburne's test Brake test Field's test Hopkinson's test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Plugging Rheostatic braking Regenerative braking None of the listed here Plugging Rheostatic braking Regenerative braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less The same More None of the listed here Less The same More None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds None of the listed here Above as well as below the normal speed Above the normal speed only Below the normal speed only None of the listed here Above as well as below the normal speed Above the normal speed only Below the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is cheap Is simple in construction Provides fine speed control None of the listed here Is cheap Is simple in construction Provides fine speed control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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