By which of the following systems electric power may be transmitted ?
By which of the following systems electric power may be transmitted ?
A. Overhead system
B. Underground system
C. Both A. and (b)
D. None of the above
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For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?
A. 132 kV
B. 66 kV
C. 33 kV
D. 11 kVThe operating voltage of high voltage cables is up to_______________?
The operating voltage of high voltage cables is up to_______________?
A. l.lkV
B. 3.3kV
C. 6.6kV
D. llkVA booster is a_________________?
A booster is a_________________?
A. series wound generator
B. shunt wound generator
C. synchronous generator
D. none of the aboveThe following system is not generally used?
The following system is not generally used?
A. 1-phase 3 wire
B. 1-phase 4 wire
C. 3-phase 3 wire
D. 3-phase 4 wireIn a tap changing transformer, the tappings are provided on__________?
In a tap changing transformer, the tapgs are provided on__________?
A. primary winding
B. secondary winding
C. high voltage winding
D. any of the aboveThe 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