DC Motors In which of the following tests only one motor is required? Brake test Swinburne's test Hopkinson's test Field's test Brake test Swinburne's test Hopkinson's test Field's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Dirt on the commutator Worn bearings Misaligment of machine Loose coupling Dirt on the commutator Worn bearings Misaligment of machine Loose coupling ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run as a generator None of the listed here Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator None of the listed here Motor is run at reduced speed Motor is reversed in direction ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Dynamic braking None of these Regenerative Plugging Dynamic braking None of these Regenerative Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Flux only Speed only None of the listed here Both flux and speed Flux only Speed only None of the listed here Both flux and speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Highest torque braking Smallest torque braking None of the listed here Zero torque braking Highest torque braking Smallest torque braking None of the listed here Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
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