The loads on distributors systems are generally__________________?
The loads on distributors systems are generally__________________?
A. balanced
B. unbalanced
C. either of the above
D. none of the above
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The spacing between phase conductors of a 220 kV line is approximately equal to________________?
The spacing between phase conductors of a 220 kV line is approximately equal to________________?
A. 2 m
B. 3.5 m
C. 6 m
D. 8.5 mAluminium has a specific gravity of___________?
Aluminium has a specific gravity of___________?
A. 1.5
B. 2.7
C. 4.2
D. 7.8In transmission lines the cross-arms are made of________________?
In transmission lines the cross-arms are made of________________?
A. copper
B. wood
C. R.C.C.
D. steelWhich of the following is not a constituent for making porcelain insulators ?
Which of the following is not a constituent for making porcelain insulators ?
A. Quartz
B. Kaolin
C. Felspar
D. SilicaIn AC.S.R. conductors, the insulation between aluminium and steel conductors is_________?
In AC.S.R. conductors, the insulation between aluminium and steel conductors is_________?
A. insulin
B. bitumen
C. varnish
D. no insulation is requiredThe power factor of industrial loads is generally______________?
The power factor of industrial loads is generally______________?
A. unity
B. lagging
C. leading
D. zero