A) 20000 ohms B) 1000 ohms C) 200 ohms D) 1 ohm. Ans : (D)
A) 8 V B) 10 V C) 15 V D) 175 V. Ans : (C)
A) more than 5 percent B) 5 percent C) less than 5 percent D) 4 percent. Ans : (A)
A) stainless steel B) cast iron C) aluminium D) copper. Ans : (B)
A) decreasing hysteresis loss B) decreasing eddy current loss C) both (A) abs (B) D) none of them. Ans : (B)
A) generator with lower shunt resistance will share mare load B) both generators may start hunting C) one of the generators may get reversed D) one of the generators may stop. Ans : (C)
A) more mechanical strength B) high permeability C) low permeability D) both (B) and (C) Ans : (D)
A) rotation of the armature B) an external dc source C) residual magnetism D) permanent magnet. Ans : (C)
A) stop running B) run as differentially compounded motor in same direction C) run as differentially compounded motor in reverse direction D) run as cumulatively compounded motor in reverse direction. Ans : (A)
A) compound generators B) series generators C) shunt generators D) bipolar generators. Ans : (A)