DC Motors The starting resistance of a DC motor is generally Low Around 500 Ω Infinitely large 1000 Ω Low Around 500 Ω Infinitely large 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
DC Motors The running speed of a dc series motor is basically determined by Armature reaction Field excitation Load None of the listed here Armature reaction Field excitation Load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor constant torque is produced due to Rotor laminations Pole shoes End plates Commutator Rotor laminations Pole shoes End plates Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 2 mm 0.4 mm 6 mm 10 mm 2 mm 0.4 mm 6 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the sparking To improve cooling To reduce the generated emf To increase the generated emf To reduce the sparking To improve cooling To reduce the generated emf To increase the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Hopkinson's test Brake test Field's test Swinburne's test Hopkinson's test Brake test Field's test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
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