30 Questions
According to the National Building Code of Canada 2015, which of the following is NOT required for a mechanical air exhausting device, other than the principal ventilation fan?
Tempering to at least 12°C before being introduced to occupied areas
In a dwelling unit with solid-fuel-burning appliances, is the provision of makeup air as described in Sentence (2) required?
No, it is not required
According to the National Building Code of Canada 2015, which of the following is NOT a requirement for carbon monoxide (CO) alarms?
Having a disconnect switch
Where should a carbon monoxide (CO) alarm be mechanically fixed in a room that contains a solid-fuel-burning appliance?
On or near the ceiling
According to the National Building Code of Canada 2015, which of the following is NOT a requirement for a kitchen or bathroom exempted from installing a supplemental exhaust fan?
Controlled by a dehumidistat or other automatic control
According to the text, what is the requirement for the outdoor air supply fan capacity in relation to the actual normal operating exhaust capacity of the exhaust fan?
It should be within ±10% of the exhaust fan capacity.
According to the text, how should the principal ventilation fan control be wired in relation to the outdoor air supply fan?
The principal ventilation fan should activate the outdoor air supply fan, but the outdoor air supply fan should not operate when the principal ventilation fan is not operating.
According to the text, what is the requirement for the outdoor air supply duct?
It should incorporate a flow-regulating damper.
According to the text, how should the airflow in the outdoor air supply duct be adjusted?
It should be adjusted to be within ±10% of the actual normal operating exhaust capacity of the principal ventilation fan.
According to the text, what is the requirement for the accuracy of the airflow measurements in the outdoor air supply duct?
It should be accurate to within ±15% of the flow rate being measured.
Which of the following statements is true regarding the installation of CO alarms in a suite of residential occupancy with a fuel-burning appliance?
CO alarms shall be installed within 5 m of each bedroom door, measured following corridors and doorways.
In which scenario is a CO alarm required to be installed outside each bedroom in a service room that is not in a suite of residential occupancy?
When the service room shares a wall or floor/ceiling assembly with a suite of residential occupancy.
Which standard should be followed for determining the capacity ratings of required fans for ventilation?
CAN/CSA-C260-M
What is the minimum external static pressure differential to be used in determining the rated capacity of fans installed with ducts connected on both sides for any application?
100 Pa (0.4 inch water column)
Which standard should be followed for determining the sound ratings of fans for ventilation?
HVI Publication 915
According to the National Building Code of Canada 2015, which of the following is a requirement for a ventilation system with no provision for the introduction of outdoor air to a dwelling unit?
It must have a forced air distribution system with a circulation fan.
According to the National Building Code of Canada 2015, where should air supply outlets through which outdoor air is delivered to the rooms be located?
In the ceiling or in a wall at not less than 2 m above the floor.
According to the National Building Code of Canada 2015, when is the installation of a supplemental exhaust fan in a kitchen required?
When the principal ventilation fan draws from that kitchen and other rooms.
According to the National Building Code of Canada 2015, what is the minimum rated capacity for a supplemental exhaust fan in a kitchen?
25 L/s
According to the National Building Code of Canada 2015, when is the interlocking of the forced air distribution system's circulation fan with the principal ventilation fan not required?
When the forced air distribution system is equipped with a control that automatically activates the circulation fan at user-selected intervals.
According to the National Building Code of Canada 2015, which of the following statements is true about exhaust ducts serving only a bathroom or water-closet room?
They must be constructed of a material impervious to water.
According to the National Building Code of Canada 2015, what is the minimum insulation requirement for an exhaust duct that passes through an unheated space or is not separated from an unheated space by an insulated building assembly?
RSI 0.5
According to the National Building Code of Canada 2015, what are the requirements for a duct carrying outdoor air that passes through a heated space?
Insulated to not less than RSI 0.5 and provided with a vapour barrier.
According to the National Building Code of Canada 2015, what are the requirements for ductwork of cooking appliance exhaust fans?
Noncombustible, corrosion-resistant material, leading directly to the outdoors, equipped with a grease filter at the intake end.
According to the National Building Code of Canada 2015, how should joints in ventilation system ducting be sealed?
With mastic, metal foil duct tape, or the manufacturers’ specified sealants.
According to the text, which of the following statements is true about connecting heat recovery ventilators in parallel airflow?
It is not allowed to connect multiple heat recovery ventilators in parallel airflow to a common downstream exhaust duct.
According to the text, what should be done during the start-up procedures recommended by the manufacturer?
All start-up procedures recommended by the manufacturer, including air balancing and airflow determination, should be followed.
According to the text, what should be provided for the free flow of condensate?
A condensate drain of at least 1/2 inch nominal pipe size pitched in the direction of flow.
According to the text, what size should the condensate drain be if the manufacturer's recommendations are not available?
At least 1/2 inch nominal pipe size.
According to the text, what should the condensate drain be pitched in relation to the flow direction?
Pitched in the direction of flow.
Test your knowledge on the installation requirements for carbon monoxide alarms in residential occupancy suites and service rooms. Learn where these alarms should be placed to ensure safety and compliance with regulations.
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