A. double the number of poles
B. same as the number of poles
C. half the number of poles
D. two
A. high voltage, high current
B. low voltage, high current
C. high voltage, low current
D. low voltage, low current
A. there is no load on|he generator
B. the generator runs on full load
C. the generator runs on overload
D. the generator runs on designed speed
A. lie under south pole
B. lie under north pole
C. lie under interpolar region
D. are farthest from the poles
A. their rising voltage characteristics
B. unequal number of turns in their series field windings
C. unequal speed regulation of their primemovers
D. unequal series field resistances
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. to increase the speed and hence generated e.m.f.
B. to increase the series flux
C. so that two similar machines will pass approximately equal currents to the load
D. to reduce the combined effect of ar-mature reaction of both machines