- 1:4000 (25 cm to a km)
- 1:2000 (21 cm to a km)
- 1:4000 (50 cm to a km)
- 1:3000 (25 cm to a km)
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) Plans (CEAR 2010) showing on scale?
Solution:
1:4000 (25 cm to a km)
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