A. Steel cored aluminium
B. Galvanised steel
C. Cadmium copper
D. Any of the above
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Related Mcqs:
- 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 kV...
- For transmission of power over a distance of 500 km, the transmission voltage should be in the range?
- A. 150 to 220 kV B. 100 to 120 kV C. 60 to 100 kV D. 20 to 50 kV...
- Which of the following relays is used on long transmission lines?
- A. Impedance relay B. Mho’s relay C. Reactance relay D. None of the above...
- 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...
- Which of the following are the constants of the transmission lines ?
- A. Resistance B. Inductance C. Capacitance D. All of the above...
- Which of the following materials is not used for transmission and distribution of electrical power________________?
- A. Copper B. Aluminium C. Steel D. Tungsten...
- 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...
- Most of the high transmission lines in Pakistan are_______________?
- A. underground B. overhead C. either of the above D. none of the above...
- High voltage transmission lines use__________________?
- A. suspension insulators B. pin insulators C. both A. and B. D. none of the above...
- In transmission lines the cross-arms are made of________________?
- A. copper B. wood C. R.C.C. D. steel...
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