Cih ventilation - Study guides, Class notes & Summaries

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-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 ...

Acoustical Insulation The general application or use of asbestos for the control of sound due to its lack of reverberant surfaces Acoustical Tile A finishing material in a building usually found in the ceiling or walls for the purpose of noise control Actinolite One of the six naturally occurring asbestos minerals. It is not normally used commercially. addenda (n) Changes made to working drawings and specifications for a building before the work is bid AHERA Asbe...

Ergonomics (CIH) Questions and Answers Graded A+ Lateral Rotation Turning away from the midline Medial Rotation Turning towards the midline of the body Flexion Decreasing the angle (between 2 adjacent bones) Extension Increasing the angle (between 2 adjacent bones) Psychophysical Evaluations -Develop population percentages of the male and female population that can be expected to perform a task without overexertion. -Holds all but one variable constant and allo...