BICSI
RCDDV15 · Question #296
What is the air change requirement for a tunnel of 610 m (2000 ft) long with a diameter of 3.4 m (11 ft)?
The correct answer is C. Three complete air changes per hour. See the full explanation below for the reasoning.
Outside Plant – Special Environments (Tunnels)
Question
What is the air change requirement for a tunnel of 610 m (2000 ft) long with a diameter of 3.4 m (11 ft)?
Options
- AOne complete air change per hour
- BTwo complete air changes per hour
- CThree complete air changes per hour
- DFour complete air changes per hour
- EFive complete air changes per hour
How the community answered
(41 responses)- A2% (1)
- B10% (4)
- C83% (34)
- D2% (1)
- E2% (1)
Topics
#tunnel ventilation#air change rate#environmental requirements#tunnel specifications
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