Equilizer rings are required in case armature is_______________?
		A. wave wound
B. lap wound
C. delta wound
D. duplex wound
		A. wave wound
B. lap wound
C. delta wound
D. duplex wound
		A. to reduce the reluctance of the mag¬netic path
B. to spread out the flux to achieve uniform flux density
C. to support the field coil
D. to discharge all the above functions
		A. Series generator
B. Shunt generator
C. Compound generator
D. Separately excited generator
		A. reduces generator e.m.f.
B. increases armature speed
C. reduces interpoles flux density
D. results in sparking trouble
		A. Lap winding
B. Wave winding
C. Either of A. and B. above
D. Depends on other features of design
		A. magnetic flux, direction of current flow and resultant force
B. magnetic flux, direction of motion and the direction of e.m.f. induced
C. magnetic field strength, induced voltage and current
D. magnetic flux, direction of force and direction of motion of conductor
		A. number of pole pairs
B. number of poles
C. number of parallel paths
D. number of commutator segments