$1.$which ventilation system cause moisture to form inside wall assemblies during cold winter months?

a$)$balanced system b$)$exhaust only system c$)$supply only system d$)$passive system

$2.$which ventilation strategy should NOt be in used in average home in canada?

a$)$balanced system b$)$supply only system c$)$heat recovery ventilation d$)$an energy recovery ventilation

$3.$which one has the least impact on the quantity of stack effect in a home?

a$)$building height b$)$air leakage rates c$)$relative humidity d$)$temp difference between inside and outside air

$114.$ what adverse effect may result from cold winter air infiltration the lower portion of a building while indoor air exfiltrate the upper portion of the building

a$)$swealing of hardwood floors

b$)$discomfor due to high humidity levels

c$)$excessive condensation on windows esecialy double glazed

d$)$condensation and mould in walls and ceiling of the upper levels

$121.$ what ventiolation equipment typically requires drainage connection to remove condensate?

a$)$attic fan b$)$heat recovery ventilator

c$)$energy recovery ventilator

d$)$in line fan for exhaust ventilation

$122)$which of the following components of an insulated exteiror wall will cause the effective

a$)$exteiror air fil b$)$solid $2\mathrm{.}75"$ masonry vaneer c$)2$x$6$ wood studs framed at $24"$ o$/$c d$)$polyethylene vapour retarder installed on the warm side of the insulation

which of the following has the gerates impact on the thermal conductivity of a wall?

a$)$the wind and direction

b$)$the construction material used

c$)$the # of stories

d$)$the differec in temp between the inside and outside

an owner complaiting of a damp basement with an unfinished concerte floor was told to fully..waas removed the next day, the underside was wet and the floor showed a dark wet pattern matching

a$)$ cracked foundation wall

b$)$high humidity level in the house

c$)$no insulation under the concrete basment floor

d$)$lack of moisture barrier$/$damproofing under the concrete basement floor