- 40%
- 50%
- 60%
- 30%
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) All parts & all joints at least equal to________of the conductivity of the largest conductor enclosed by the said metallic covering?
Solution:
All parts & all joints at least equal to 50% of the conductivity of the largest conductor enclosed by the said metallic covering.
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