Galvanised steel wire is generally used as______________?
Galvanised steel wire is generally used as______________?
A. stay wire
B. earth wire
C. structural components
D. all of the above
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A 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 usual spans with R.C.C. poles are_______________?
The usual spans with R.C.C. poles are_______________?
A. 40—50 meters
B. 60—100 meters
C. 80—100 meters
D. 300—500 metersFor which of the following equipment current rating is not necessary?
For which of the following equipment current rating is not necessary?
A. Circuit breakers
B. Isolators
C. Load break switch
D. Circuit breakers and load break switchesThe 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 aboveWhich of the following are the constants of the transmission lines ?
Which of the following are the constants of the transmission lines ?
A. Resistance
B. Inductance
C. Capacitance
D. All of the aboveSeries capacitors on transmission lines are of little use when the load VAR requirement is___________?
Series capacitors on transmission lines are of little use when the load VAR requirement is___________?
A. large
B. small
B. fluctuating
D. any of the above