- (A) field control method
- (B) armature controlled method
- (C) field diverter
- (D) frequency control method
Electrical Engineering Mcqs
- (A) Swinburne test
- (B) Hopkinson test
- (C) Brake test
- (D) Field test
- (A) decrease in speed
- (B) increase in speed
- (C) short circuit
- (D) open circuit
- (A) series with field winding
- (B) series speed armature winding
- (C) parallel big field winding
- (D) parallel with armature winding
- (A) not develop starting torque
- (B) fail to start without load
- (C) run at dangerously high speed
- (D) draw more current without producing sufficient torque
- (A) length of conductor
- (B) cross-sectional area of the conductor
- (C) number of conductors
- (D) all of the above
- (A) mica
- (B) copper
- (C) cast iron
- (D) carbon
- (A) copper is harder than mica
- (B) mica and copper are equally hard
- (C) mica is harder than copper
- (D) none of the above
- (A) motion of conductor
- (B) lines of force
- (C) either of the above
- (D) none of the above
- (A) direction of induced e.m.f.
- (B) direction of flux
- (C) direction of motion of the conductor if forefinger points in the direction of generated e.m.f.
- (D) direction of motion of conductor, if forefinger points along the lines of flux
