DC Motors The value of back emf in dc motor is maximum at No load Half full load Full load None of the listed here No load Half full load Full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Cranes Trains Machine tools Hoist Cranes Trains Machine tools Hoist ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 10 to 15 percent 50 to 75 percent 20 to 25 percent 2 to 3 percent 10 to 15 percent 50 to 75 percent 20 to 25 percent 2 to 3 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Voltage regulator Field divertor Armature divertor Potential divider Voltage regulator Field divertor Armature divertor Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Armature winding Slip rings Commutator Field winding Armature winding Slip rings Commutator Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only field flux only None of these both (A) and (B) armature current only field flux only None of these both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP