WorksheetsIndoor Air Quality
Total questions: 10
Worksheet time: 2mins
What percentage of time do people typically spend indoors?
50%
70%
90%
30%
Which of the following is NOT a common indoor pollutant?
Carbon Dioxide
Nitrogen
Volatile Organic Compounds
Particulate Matter
What is Sick Building Syndrome primarily associated with?
Poor outdoor air quality
Strong perfumes
Poor indoor air quality
Overcrowded buildings
Which standard outlines acceptable ventilation rates in buildings?
ISO 14001
ASHRAE 62.1
MS 1525
LEED v4
What is the typical threshold for CO₂ levels in ppm indoors according to DOSH?
400 ppm
600 ppm
800 ppm
1000 ppm
Which factor does NOT directly affect thermal comfort?
Metabolic rate
Clothing insulation
Wind direction
Air velocity
What does PMV stand for in thermal comfort assessment?
Particulate Mass Volume
Predicted Mean Vote
Physical Motion Variation
Pre-set Monitoring Value
What is a major source of VOCs indoors?
Plants
Paints and adhesives
Tap water
Ceiling fans
What is the purpose of ventilation in buildings?
To reduce lighting energy
To cool electronics
To remove indoor pollutants and provide fresh air
To recycle indoor CO₂
Which of the following strategies can improve IAQ?
Sealing all windows
Using high-emission paints
Introducing mechanical ventilation
Using more indoor carpets
