The steel used in steel cored conductors is usually__________?
The steel used in steel cored conductors is usually__________?
A. alloy steel
B. stainless steel
C. mild steel
D. high speed steel
E. all of the above
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Transmission voltage of 11 kV is normally used for distances up to_____km?
Transmission voltage of 11 kV is normally used for distances up to_____km?
A. 20—25 km
B. 40—50 km
C. 60—70 km
D. 80—100 kmShort transmission line: 0-20 kv, 0-50 km.
Medium transmission line: 20-100 kv, 50-150 km.
Long transmission line: above 100 kv and 150 kmWhen an alternator connected to the bus-bar is shut down the bus-bar voltage will___________?
When an alternator connected to the bus-bar is shut down the bus-bar voltage will___________?
A. fall
B. rise
C. remain unchanged
D. none of the aboveOverhead system can be designed for operation up to____________?
Overhead system can be designed for operation up to____________?A. 11 kV
B. 33 kV
C. 66 kV
D. 400 kV310 km line is considered as_______________?
310 km line is considered as_______________?
A. a long line
B. a medium line
C. a short line
D. any of the aboveIn 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. steelGalvanised 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