A) 100.4 V B) 104.6 V C) 110 V D) 102.4 V. Ans : (B)
A) metadyne B) rosenberg dynamo C) amplidyne D) level compound generator with inter-poles. Ans : (D)
A) 10 B) 100 C) 1000 D) 10,000. Ans : (D)
A) control systems B) emergency peak loads C) fluctuating loads D) battery charging. Ans : (A)
A) regulate the load voltage B) minimize sparking at commutator C) reduce magnetizing effect of armature reaction on the control winding flux D) reduce winding temperature. Ans : (C)
A) tendency for reversal B) armature reaction C) hysteresis losses D) mechanical unbalance. Ans : (D)
A) shunt generators B) shunt motors C) series motors D) all of the above. Ans : (A)
A) series motors B) shunt motors C) dc generators D) none of the above. Ans : (C)
A) are soft B) are self lubricating C) have high resistance D) all of these. Ans : (D)
A) dissipate more heat B) reduce iron weight C) reduce armature reaction D) reduce pulsations loss. Ans : (D)
A) stator B) armature C) field D) rotor. Ans : (B)
A) increase B) reduce C) remain unchanged D) none of these. Ans : (B)