187. Which statement about the ventilation of bulk coal is TRUE?

Coal should be surface ventilated only.
Coal should not be ventilated; all oxygen should be excluded from the cargo.
Coal should be through-ventilated to remove methane and reduce the heat of spontaneous combustion.
Coal should be ventilated only if temperatures in the center of the cargo exceed 125°F.

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it