- (A) is always present
- (B) is always absent
- (C) may be sometimes present
- (D) none of the above
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- (A) slots
- (B) armature conductors
- (C) winding elements
- (D) poles
- (A) any even number of conductors
- (B) any odd number of conductors
- (C) that even number which is exact multiple of poles + 2
- (D) that even number which is exact multiple of poles
- (A) 2
- (B) 4
- (C) 6
- (D) 8
- (A) external resistance = internal char-acteristic – armature reaction
- (B) internal characteristic = magnetisation characteristic – ohmic drop
- (C) external characteristic = magnetisation characteristic – ohmic drop – armature reaction
- (D) magnetisation characteristic = external characteristic
- (A) increasing its field resistance
- (B) decreasing its field resistance
- (C) increasing its speed
- (D) decreasing its speed
- (A) Series generator
- (B) Shunt generator
- (C) Over compound generator
- (D) Flat compound generator
- (A) Series field
- (B) Compensating field
- (C) Inter pole field
- (D) Shunt field
- (A) same kW rating
- (B) the same operation r.p.m.
- (C) the same drooping voltage characteristics
- (D) same percentage regulation
- (A) to increase the series flux
- (B) to increase the generated e.m.f.
- (C) to reduce the combined effect of ar-mature reaction of both the machines
- (D) so that the two identical machines will pass approximately equal cur¬rents to the load
