Bpk180 week 13 environmental factors
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17 Terms
Q: What does S = M – W ± R ± C ± K – E represent
A: Body heat balance (thermoregulation equation)
Q: In a cold rainstorm, which terms are strongly negative
A: Radiation (R), convection (C), conduction (K), Sweat evaporation (E) is minimal
Q: Result of November Vancouver rainstorm on thermal comfort
A: Net heat loss; high cold-stress risk
Q: How does counter-current heat exchange work
A: Warm arterial blood warms returning venous blood to conserve heat
Q: Heat exhaustion vs heat stroke difference
A: Exhaustion = heavy sweating,
Q: Jobs at risk for heat illness
A: Construction, agriculture, roofing, firefighting, kitchens, mines
Q: What is a natural frequency
A: The frequency an object naturally vibrates at; resonance risk
Q: Effects of HAV
A: Numbness, reduced dexterity, HAVS
Q: Effects of WBV
A: Low back pain, fatigue, vision issues
Q: Engineering controls for HAV
A: Anti-vibration handles, low-vibration tools
Q: Administrative controls for WBV
A: Rest breaks, speed reduction, operator training
Q: Light characteristics affecting performance
A: Intensity, glare, contrast, flicker, colour temperature
Q: Other environmental hazards
A: Air quality, vibration, shift work, humidity extremes
Note 
Flashcards (53)