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Exam (elaborations)

HVAC EXAM 1 PREP QUESTIONS ANSWERED CORRECTLY.

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  • Course
  • HVAC CONTRACTOR
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  • HVAC CONTRACTOR

USGBC & LEED CERTIFICATION - Answer performance based rating system to measure how "green" a building COMFORT - Answer satisfaction with the thermal environment USUALLY DEFINED IN TERMS OF DRY BULB (DB) AND RELATIVE HUMIDITY (RH) A BUILDING IS CONSIDERED COMFORTABLE WHEN... - Answer...

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  • October 8, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • HVAC CONTRACTOR
  • HVAC CONTRACTOR
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COCOSOLUTIONS
HVAC EXAM 1 PREP QUESTIONS
ANSWERED CORRECTLY.
USGBC & LEED CERTIFICATION - Answer performance based rating system to measure how "green" a
building



COMFORT - Answer satisfaction with the thermal environment



USUALLY DEFINED IN TERMS OF DRY BULB (DB) AND RELATIVE HUMIDITY (RH)



A BUILDING IS CONSIDERED COMFORTABLE WHEN... - Answer when 80% or more of the occupants will
find the environment thermally acceptable



BUILDING CONDITIONS CAN IMPACT STUDENT ACHIEVEMENT BY AS MUCH AS - Answer 17%



ANY TEMP OVER _____ HARMS STUDENT MATH SCORE - Answer 74 DEGREES



HOW DO PEOPLE TRANSFER HEAT TO MAINTAIN COMFORT - Answer TAKE OFF CLOTHING, WALK
SLOWER SO AS NOT TO SWEAT



CRITERIA FOR COMFORT (2 CATEGORIES) - Answer ENVIRONMENT & PERSONAL PARAMETERS



ENVIRONMENT (CRITERIA FOR COMFORT) - Answer AIR TEMP.

MEAN RADIANT TEMP. (MRT)

HUMIDITY

AIR SPEED

NOISE

LIGHTING

, PERSONAL PARAMETER (CRITERIA FOR COMFORT) - Answer CLOTHING (CLO)

METABOLISM (MET)

AGE

SIZE

HEALTH



FANGER SEVEN POINT SCALE - Answer FIGURES OUT PMV



TYPICAL OCCUPIED ZONE - Answer 3 IN TO 6 FT - SPACE PEOPLE ACTUALLY OCCUPY



WHEN IS HVAC SYSTEM OPERATING AT ITS MOST EFFICIENT STATE? - Answer WHEN IT IS OFF



HOW MANY TEMP ZONES PER M&N FLOOR - Answer SEE SLIDES?



CLO VALUE - Answer ****



ASHRAE STANDARD 55 - Answer THERMAL ENVIRONMENT CONDITIONS FOR HUMAN OCCUPANCY -
COMFORT



DRY BULB - Answer SENSIBLE HEAT



WHAT WE MEASURE ON THEMOMETER



OFTEN USED WITH WET BULB ON PSYCHROMETRIC CHARTS



RESPIRABLE PARTICLES - Answer #1 ALLERGEN IN HOMES IS THE DUST MITE



DECREASE BELOW 50% RH

DIES BELOW 40% RH

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