DC Motors A series motor will over speed when Load is removed The armature circuit is opened. The load is increase The field is opened Load is removed The armature circuit is opened. The load is increase The field is opened ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Swinburne's test Field's test Brake test Hopkinson's test Swinburne's test Field's test Brake test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to field flux only armature current only None of these both (A) and (B) field flux only armature current only None of these both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Transistor Thyratron Thyristor Thermistor Transistor Thyratron Thyristor Thermistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Wide speed range Stability Low cost High starting torque Wide speed range Stability Low cost High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Parallel with armature None of the listed here Series with armature Series-parallel with armature Parallel with armature None of the listed here Series with armature Series-parallel with armature ANSWER DOWNLOAD EXAMIANS APP