Chemical Engineering - Environmental Engineering - Discussion

Discussion Forum : Environmental Engineering - Section 1 (Q.No. 22)
22.
Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels.
120
140
170
200
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Aakanksha Gavani said:   3 years ago
Please explain the answer in detail.
(1)

Mahrukh jawaid said:   4 years ago
Explain the Solution please.

Manjunath said:   9 years ago
How 170? please describe.

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