The conductors of the overhead lines are
A. solid
B. stranded
C. both solid and stranded
D. none of the above
Answer: Option C
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By which of the following a bus-bar is rated?
A. Current only
B. Current and voltage
C. Current, voltage and frequency
D. Current, voltage, frequency and short time current
A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. Booster transformer
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
In aluminium conductors, steel core is provided to
A. Compensate for skin effect
B. Neutralise proximity effect
C. Reduce line inductance
D. Increase the tensile strength
correct answer is stranded condutor is used
really , is solid conductor can be used for over head line transmission?
6. An overhead line has a span of 250m. The tension in the line is 1500 kg while the conductor weighs 750 kg per 100m. Calculate the maximum sag in the conductor.
Correct answer is: Option B
Answer is Wrong... true ans B. Stranded