Which of the following materials is not used for transmission and distribution of electrical power________?
ACopper
BSteel
CTungsten
DAluminium
Correct answer
C. Tungsten
Explanation
The correct answer is Tungsten.
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Study 90 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
C. Tungsten
Explanation
The correct answer is Tungsten.
Correct answer
D. 31.25 percent of copper
Explanation
The correct answer is 31.25 percent of copper.
Correct answer
B. all of the above
Explanation
The correct answer is all of the above.
Correct answer
A. Booster transformer
Explanation
The correct answer is Booster transformer.
Correct answer
A. Service mains
Explanation
The correct answer is Service mains.
Correct answer
C. there is no current in the line
Explanation
The correct answer is there is no current in the line.
Correct answer
C. sector-shaped conductors
Explanation
The correct answer is sector-shaped conductors.
Correct answer
B. corona losses are minimum
Explanation
The correct answer is corona losses are minimum.
Correct answer
D. all of the above
Explanation
The correct answer is all of the above.
Correct answer
B. 20—25 km
Explanation
Short 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 km