DC Motors Which motor should be used for centrifugal pumps? Series motor Shunt motor None of the listed here Either series or shunt Series motor Shunt motor None of the listed here Either series or shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Field divertor Potential divider Armature divertor Voltage regulator Field divertor Potential divider Armature divertor Voltage regulator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Armature current Speed Field and armature resistance Flux Armature current Speed Field and armature resistance ANSWER DOWNLOAD EXAMIANS APP
DC Motors The direction of rotation of a D.C. series motor can be changed by None of these Interchanging field terminals Interchanging supply terminals Either of (A) and (B) above None of these Interchanging field terminals Interchanging supply terminals Either of (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Loose coupling Dirt on the commutator Misaligment of machine Worn bearings Loose coupling Dirt on the commutator Misaligment of machine Worn bearings ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Punch presses Cranes Pump Lathes Punch presses Cranes Pump Lathes ANSWER DOWNLOAD EXAMIANS APP
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