- Noise
- Vibration
- Illumination
- Overbreak
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) The instrument ”Cross-sectioner” used for _____________ measurement.
Solution:
(d) Overbreak
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