Question

john runs the silo blower for 5 minutes before entering the silo to remove silo gas. is this safe or unsafe? select the best option safe unsafe if you need to review this content, it can be found in the agricultural confined space hazards module of the agricultural confined spaces topic.

Explanation:

Typically, running a silo - blower for only 5 minutes may not be sufficient to completely remove silo gas, which can be extremely dangerous. Silo gas can contain harmful and potentially lethal gases like nitrogen dioxide. A longer period of ventilation is often required to ensure a safe - entry environment.

Answer:

Unsafe