sf 355 industrial hygiene and toxicology

SF 355 Industrial Hygiene

Homework Assignment #4

1. Describe a well-designed air supply system and its key components.
2. Define the following ventilation terms
   1. Density
   2. Standard atmospheric pressure
   3. Static pressure
   4. Velocity pressure
   5. Volumetric flow rate
   6. Friction loss
3. What items on a fan are recommended to ensure operation within manufacturer’s specification?
4. When trying to conduct “field measurements” of a ventilation system’s hood, what are some of the issues that are likely to create difficulties? Name at least two (2) of these issues.

https://archive.org/stream/gov.law.acgih.manual.19…