In 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. steel
Similar Posts
A circuit is disconnected by isolators when____________?
A circuit is disconnected by isolators when____________?
A. line is energized
B. there is no current in the line
C. line is on full load
D. circuit breaker is not openWhich 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. SilicaA feeder, in a transmission system, feeds power to________________?
A feeder, in a transmission system, feeds power to________________?
A. distributors
B. generating stations
C. service mains
D. all of the aboveThe effect of corona can be detected by___________?
The effect of corona can be detected by___________?
A. presence of ozone detected by odour
B. hissing sound
C. faint luminous glow of bluish colour
D. all of the aboveIn 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 use of strain type insulators is made where the conductors are__________?
The use of strain type insulators is made where the conductors are__________?
A. dead ended
B. at intermediate anchor towers
C. any of the above
D. none of the above