BPI Exam Questions and Answers
insulation of __% of building shell triggers blower door requirement - Answer-15%
Air flow standard in ASHRAE ___ - Answer-ASHRAE 62.2 (updated 9.2015)
min BAS before requiring mechanical ventilation - Answer-no longer using (9/2015)
rise on ventilation ductwork -...
max level of "safe" CO concentration - Answer✔✔-35ppm or 9 ppm over 8 hour period
CAS inspection tests (4) - Answer✔✔-spillage, CO test, worst-case depressurization, draft
highest priority in air sealing - Answer✔✔-leakage to attic because of stack effect
gas line replacement date - Answer✔✔-If manufactured before 1973
ASHRAE standard for exposure to CO - Answer✔✔-8 hours exposure at 9 ppm
definition of energy - Answer✔✔-measurable quantity of heat, work or light
match to btu to therm - Answer✔✔-1 match = 1 btu
100,000 btu = therm
conduction - Answer✔✔-heat flow through solid objects
convection - Answer✔✔-heat flow through a fluid (air or water)
raditation (2 types) - Answer✔✔-heat waves traveling through space (ex sun)
from sun - solar
from objects - thermal
crosses empty space or air without heating it
types of radiation - Answer✔✔-solar
infrared - heat radiation from objects on earth
HDD - Answer✔✔-any day below 65 degrees
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