Reference no: EM132476694 , Length: 2500 Words

Industrial Ventilation Study Guide Questions -

Video 1- Elements of Ventilation Systems.

Q1. What is meant by general ventilation? What are some examples? How does it work?

Q2. How does natural ventilation compare to general ventilation? How does it work? Is mechanical ventilation different? How so?

Q3. How are local exhaust ventilation systems different from general ventilation?

Q4. What are the 5 parts of local exhaust ventilation? (Around 2:30)

Q5. How might a small local exhaust system differ from a bigger one?

Q6. What does each symbol stand for: Q, V, A? What is their mathematical relationship?

Q7. Which contaminants need lower transport (capture) velocity? Which ones need high capture velocities?

Q8. Describe the role and components of air cleaners.

Q9. Describe the different types of hoods.

Video 2 - Overview of Industrial Ventilation - Industrial ventilation: a practical overview

Q1. What are the units used for Q, V, and A? What is their mathematical relationship?

Q2. What is meant by the absolute static pressure? What is it equal to? (2:45)

Q3. How is static pressure measured? What are the units?

Q4. What is meant by negative pressure? What is positive pressure?

Q5. If you converted the %LEL to ppm and compared to the PEL, which would be a higher concentration?

Q6. What airborne components are studied in IAQ? (The video is old- why is tobacco smoke included?)

Q7. If X liters of air are removed from a building, how much needs to replace it? Where does it come from? Why should it be considered in general ventilation system design?

Q8. What are the five components of a local exhaust ventilation system? Give a brief explanation of each.

Q9. What are 3 kinds of hoods- when should each be used? Advantages and disadvantages of each?

Q10. In the design process, what questions are asked? What helps provide the answers?

a. How fast must the air travel capture or contain the emission source?

b. How much air must be moved through the hood to control the emissions?

c. How fast must the air travel through the ductwork in order to prevent dust particles from settling out in the duct?

d. How large should the fan be?

e. How high should the stack be and where should it be located?

f. Where should the stack be located?

Q11. What problems may arise if ventilation properties are not considered? For example, if 2 branches insert opposite each other.

Q12. What are the different kinds of fans, with advantages and disadvantages of each?

Q13. What rules should be followed for exhaust vents? Why?

Q14. What are some common problems and their fixes? (around 19:00)

Q15. Where can people find ventilation standards for many workplace situations?

Attachment:- Industrial Ventilation Study Guide Questions.rar