A. r.p.m. is more than 300
B. r.p.m. is less than 300
C. number of poles is 4
D. number of poles is 2
A. to reduce eddy current losses
B. to enhance flux density
C. to amplify voltage
D. to provide mechanical balance for the rotor
A. lap winding
B. wave winding
C. delta winding
D. duplex wave winding
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. Series generator
B. Shunt generator
C. Over compound generator
D. Flat compound generator
A. same kW rating
B. the same operation r.p.m.
C. the same droog voltage characteristics
D. same percentage regulation
A. total copper loss and mechanical loss
B. armature copper loss and iron loss
C. shunt field copper loss and mechanical loss
D. iron loss and mechanical loss