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BASIC ELECTRICAL PRACTICE
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1) Which is conductor?
Wood
Zinc
Rubber
Mica
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Correct Answer: Zinc
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1) Which is conductor?
Wood
Zinc
Rubber
Mica
2) What is the property of good conductor?
Must have low specific resistance
Must have high dielectric strength
Must have low tensile strength
Must have low melting point
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Correct Answer: Must have low specific resistance
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2) What is the property of good conductor?
Must have low specific resistance
Must have high dielectric strength
Must have low tensile strength
Must have low melting point
3) What is the advantage of stranded conductor compared to solid conductor?
More rigidity
Flexibility
High melting point
High mechanical strength
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Correct Answer: Flexibility
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3) What is the advantage of stranded conductor compared to solid conductor?
More rigidity
Flexibility
High melting point
High mechanical strength
4) What is the main property of an insulator?
Low resistance
Low melting point
High temperature co-efficient
High dielectric strength
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Correct Answer: High dielectric strength
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4) What is the main property of an insulator?
Low resistance
Low melting point
High temperature co-efficient
High dielectric strength
5) What is the voltage grading range of high voltage?
0V - 250V
650V - 33000V
Above 33000V
250V - 650V
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Correct Answer: 650V - 33000V
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5) What is the voltage grading range of high voltage?
0V - 250V
650V - 33000V
Above 33000V
250V - 650V
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