For transmission of power over a distance of 200 km, the transmission voltage should be_________kv?

Transmitted power remaining the same, if supply voltage of a D.C. 2-wire feeder is increased 100 percent, saving in copper is____________________?

A. 25 percent
B. 50 percent
C. 75 percent
D. 100 percent

Which of the following characteristics should the line supports for transmission lines possess?

A. Low cost
B. High mechanical strength
C. Longer life
D. All of the above

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

In the analysis of which of the following lines shunt capacitance is neglected?

A. Short transmission lines
B. Medium transmission lines
C. Long transmission lines
D. Medium as well as long transmission lines

Galvanised steel wire is generally used as______________?

A. stay wire
B. earth wire
C. structural components
D. all of the above

The frequency of voltage generated, in case of generators, can be increased by___________?

A. using reactors
B. increasing the load
C. adjusting the governor
D. reducing the terminal voltage
E. none of the above