HVAC Study Guide Questions & Answers Already Passed!!

Why is IAQ important? a) to provide a comfortable environment for occupants b) to provide enough oxygen for occupants c) to provide the right temperature for a productive environment for occupants d) to provide sufficient airflow for occupants e) to provide a healthy environment for occupants - Answer-e) to provide a healthy environment for occupants What is not considered a contaminate? a) Carbon Dioxide b) Ozone c) Carbon Monoxide d) Oxygen e) Radon - Answer-d) Oxygen What gas is the best indicator for the quality of air in a building? a) Oxygen b) Carbon Dioxide c) Ozone d) Carbon Monoxide e) Radon - Answer-b) Carbon Dioxide What is not true statement about carcinogens? a) carcinogen exposure can cause irreversible health problems b) exposure to carcinogens might be unnoticeable c) the only source of carcinogens comes from environmental tobacco smoke (ETS) d) carcinogens are among the most significant contaminants e) the risk of cancer increases with level and time of exposure to carcinogens - Answer-c) the only source of carcinogens comes from environmental tobacco smoke (ETS)How can concentration of contaminants be calculated? a) by adding the source strength to the ventilation rate b) by dividing the source strength by the ventilation rate c) by subtracting the ventilation rate from the source strength d) by multiplying the source strength by 1000 ppm e) by dividing the source strength by the production rate - Answer-b) by dividing the source strength by the ventilation rate What is the recommended outdoor air ventilation rate per person for an office space according to ASHRAE Standard 62-1989? a) 20 cfm b) 45 cfm c) 100 cfm d) 300 cfm e) 1000 cfm - Answer-a) 20 cfm