Cih ventilation - Study guides, Class notes & Summaries

CIH Ventilation

CIH Ventilation (Hoods, Fans, Ducts)

CIH Ventilation Questions and Answers 100% correct 2023 Why do we provide ventilation? Protect work health by removing airborne contaminants from the workers breathing zone. Local exhaust ventilation LEV. Removes contaminated air from breathing zone Dilution ventilation Brings in a bunch of clean air to reduce contaminant concentration. General ventilation, typically HVAC system are dilution systems. The big equation Q=VA Ventilation is all about moving air Q is...

CIH Ventilation Question and answers 100% correct Why do we provide ventilation? - correct answer Protect work health by removing airborne contaminants from the workers breathing zone. Local exhaust ventilation - correct answer LEV. Removes contaminated air from breathing zone Dilution ventilation - correct answer Brings in a bunch of clean air to reduce contaminant concentration. General ventilation, typically HVAC system are dilution systems. The big equation - correct answer ...

CIH Ventilation Question and answers 100% correct 2023

CIH - Ventilation

CIH-Health risk& hazard communication Questions and Answers Latest Updated 2023 Blood and urine samples for lead analysis are ashed in order to: concentrate the lead./destroy interfering organics The concentration of carbon dioxide often associated with indoor air quality complaints: Greater than 1000 ppm A room ventilation system has been designed to provide 5 CFM of outdoor air/person. Which statement best describes the situation? The ventilation rate would be insufficient fo...

CIH Questions with complete solution 2023Blood and urine samples for lead analysis are ashed in order to: concentrate the lead./destroy interfering organics The concentration of carbon dioxide often associated with indoor air quality complaints: Greater than 1000 ppm A room ventilation system has been designed to provide 5 CFM of outdoor air/person. Which statement best describes the situation? The ventilation rate would be insufficient for most environments A carbon dioxide concentration ...

CIH Exam Question and answers 100% correct 2023Pickling - correct answer the treatment of metals with acids (derived from early practices with vinegar) - used to remove scale and rust - uses heated sulfuric or hydrochloric acid Bright Dip - correct answer usually mixtures of nitric and sulfuric acids - danger of release of acid gasses - ventilation or inhibitors used to control acid mists Alkaline Cleaning - correct answer sodium or potassium hydroxides or other cleaners ...