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Draughtsman Civil
Draughtsman Civil Set-1
Bridges and Culverts
22
Bridges and Culverts MCQ with Answers
22)
What is the maximum noise levels of ventilation fans while measure at the closest point of employee exposure?
90 decibel
100 decibel
120 decibel
130 decibel
Answer is:
90 decibel
Bridges and Culverts MCQ with Answers
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Related Bridges and Culverts MCQ with Answers
Bridges and Culverts MCQ with Answers
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