NAFA CAFS EXAM 2024 WITH 100% ACCURATE SOLUTIONS
1 millionth of a meter is called a _____? - ANSWER ☑☑Micrometer or Micron The air we breath is composed mainly of ______? - ANSWER ☑☑Nitrogen The size of particles in outdoor air are mainly _____ and smaller - ANSWER ☑☑1 micrometer ___________ (size) particles behave like a gas, have negligible settling rates, and are affected by Brownian Motion. - ANSWER ☑☑Particles less than 0.1 micrometers Rated flow of air through a filter at specified pressure drop is called _____? - ANSWER ☑☑Capacity The four principles of air filtration are? - ANSWER ☑☑1. Impingement 2. Interception 3. Diffusion 4. Straining If Static Pressure goes up, Velocity Pressure goes _______? - ANSWER ☑☑Down (SP + VP = TP) In the filter industry, a manometer is used to measure? - ANSWER ☑☑Pressure drop across a filter An Electronic Air Cleaner collects particles by? - ANSWER ☑☑Electrostatically charging them and collecting them on oppositely charged plates. What is the
Document information
- Uploaded on
- June 12, 2024
- Number of pages
- 7
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers