Overhead lines generally use__________________?
A. Copper conductors
B. All aluminium conductors
C. A.c.s.r. conductors
D. None of these
The loads on distributors systems are generally__________________?
A. Balanced
B. Unbalanced
C. Either of the above
D. None of the above
Multicore cables generally use________________?
A. Square conductors
B. Circular conductors
C. Rectangular conductors
D. Sector-shaped conductors
High voltage transmission lines use__________________?
A. Suspension insulators
B. Pin insulators
C. Both a. and b.
D. None of the above
The distributors for residential areas are______________?
A. Single phase
B. Three-phase three wire
C. Three-phase four wire
D. None of the above