D.C. Generators

A. zero
B. about 2 V
C. about 50 V
D. 220 V

A. 150 V
B. 175 V
C. 240 V
D. 290 V

A. will be zero
B. will be of 5 Hz
C. will be of 5 xiVHz
D. will be of v Hz 5

A. to reduce eddy current losses
B. to enhance flux density
C. to amplify voltage
D. to provide mechanical balance for the rotor

A. sinusoidal
B. triangular
C. pulsating
D. flat topped

A. armature reaction
B. armature resistance drop
C. field weakening due to armature reaction and armature
D. commutation

A. interpoles
B. dummy coils
C. compensating winding
D. shifting of axis of brushes

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. negligibly low
B. equal to no-load terminal voltage
C. more than no-load terminal voltage
D. less than no-load terminal voltage

A. flux/pole
B. speed of armature
C. number of poles
D. all of the above