DC Motors ______ motor has the best speed regulation. Differentially compounded Shunt Cummulative compounded Series Differentially compounded Shunt Cummulative compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Series with the armature None of the listed here Parallel with the armature Series-parallel with the armature Series with the armature None of the listed here Parallel with the armature Series-parallel with the armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Loose coupling Worn bearings Misaligment of machine Dirt on the commutator Loose coupling Worn bearings Misaligment of machine Dirt on the commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally Around 500 Ω Low Infinitely large 1000 Ω Around 500 Ω Low Infinitely large 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP Upto 20 HP Upto 15 HP Upto 5 HP Upto 10 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 10 to 15 percent 2 to 3 percent 50 to 75 percent 20 to 25 percent 10 to 15 percent 2 to 3 percent 50 to 75 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP