Category: D.C. Generators

A. motion of conductor
B. lines of force
C. either of the above
D. none of the above

A. rising voltage characteristics
B. identical voltage characteristics
C. drooping voltage characteristics
D. linear voltage characteristics

A. only if the load current is zero
B. only if the load current is not zero
C. irrespective of the value of load current
D. none of the above

A. multiplication of front and back pitches
B. division of front pitch by back pitch
C. sum of front and back pitches
D. difference of front and back pitches

A. Insulation failure between two commutator bars
B. Insulation failure between two turns of a coil
C. Two of more turns of the same coil getting grounded
D. All of the above

A. is the same as that of the main pole ahead
B. is the same as that of the immediately preceding pole
C. is opposite to that of the main pole ahead
D. is neutral as these poles do not play part in generating e.m.f.

A. slots
B. armature conductors
C. winding elements
D. poles

A. to supply traction load
B. to supply industrial load at constant voltage
C. voltage at the toad end of the feeder
D. for none of the above purpose

A. series generator
B. shunt generator
C. long shunt compound generator
D. any of’the above

A. speed of armature
B. type of winding
C. voltage
D. amount of current to be collected