A. commutator
B. solid connection
C. slip rings
D. none of above
A. Series generator
B. Shunt generator
C. Compound generator
D. Separately excited generator
A. speed of armature
B. type of winding
C. voltage
D. amount of current to be collected
A. Compensating winding in a D.C. machine helps in commutation
B. In a D. C. generator interpoles winding is connected in series with the armature winding
C. Back pitch and front pitch are both odd and approximately equal to the pole pitch
D. Equilizing bus bars are used with parallel running of D.C. shunt gen¬erators
A. increase
B. decrease
C. remain unaffected
D. fluctuate heavily
A. lap winding
B. wave winding
C. delta winding
D. duplex wave winding
A. mainly to reduce the eddy currents by providing local short-circuits
B. to provide path for the circulation of cooling air
C. to neutralise the cross-magnetising effect of the armature reaction
D. none of the above