NBC 2015 - Section 9.36 -03

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Questions and Answers

According to the text, what is the minimum thickness of piping insulation required for the first 2 meters of outlet piping downstream and inlet piping upstream from a storage tank or heating vessel?

  • 10 mm
  • 8 mm
  • 12 mm (correct)
  • 6 mm

According to the text, what is the requirement for piping insulation in a continuously operating recirculating service water heating system?

  • 6 mm
  • 8 mm
  • 12 mm (correct)
  • 4 mm

According to the text, what is the thermal resistance requirement for piping forming part of the service water heating system located outside the building envelope or in an unconditioned space?

  • Equal to the thermal resistance of the exterior above-ground walls (correct)
  • Not specified in the text
  • Less than the thermal resistance of the exterior above-ground walls
  • Greater than the thermal resistance of the exterior above-ground walls

Which type of space-heating systems must conform to the manufacturer's design requirements and installation procedures?

<p>Space-heating systems that use solar thermal technology (C)</p> Signup and view all the answers

According to the text, what is the requirement for service water heating systems with storage tanks in terms of temperature controls?

<p>Automatic temperature controls required (B)</p> Signup and view all the answers

What is the minimum thermal resistance required for hot service water storage tanks not listed in Table 9.36.4.2?

<p>1.8 (m2·K)/W (C)</p> Signup and view all the answers

According to the text, what is the requirement for heaters for indoor swimming pools in terms of controls?

<p>Both a thermostat and a shut off device (B)</p> Signup and view all the answers

According to the text, what is the requirement for pumps and heaters for indoor swimming pools in terms of controls?

<p>Both time switches and other types of controls required (C)</p> Signup and view all the answers

Which type of service water heating equipment must comply with the performance requirements stated in Table 9.36.4.2?

<p>Service water heaters, boilers, pool heaters, and storage tanks (B)</p> Signup and view all the answers

What is the energy factor (EF) requirement for gas-fired pool heaters?

<p>Et ≥ 82% (D)</p> Signup and view all the answers

Where should service water heating equipment be installed, except for components that are required to be installed outdoors?

<p>In a conditioned space (D)</p> Signup and view all the answers

Which type of service water heating systems must be installed in accordance with the NPC?

<p>Service water heating systems that use solar thermal technology (A)</p> Signup and view all the answers

Which standard sets the minimum performance requirements for air-cooled unitary air conditioners and heat pumps with a cooling capacity of 19 kW or less?

<p>CSA C656 (B)</p> Signup and view all the answers

What is the minimum SEER (Seasonal Energy Efficiency Ratio) for single-package air conditioners with a cooling capacity of 19 kW or less?

<p>14.5 (B)</p> Signup and view all the answers

What is the minimum COPc (Coefficient of Performance in cooling mode) for ground-source heat pumps with a cooling capacity of less than 40 kW?

<p>3.93 (D)</p> Signup and view all the answers

What is the minimum EER (Energy Efficiency Ratio) for room air conditioners with reverse cycle and louvered sides, with a cooling capacity of less than 10.55 kW?

<p>8.5 (B)</p> Signup and view all the answers

What is the minimum AFUE (Annual Fuel Utilization Efficiency) for gas-fired warm-air furnaces with a heating capacity of 65.9 kW or less?

<p>92% (A)</p> Signup and view all the answers

What is the minimum thermal efficiency (Et) for oil-fired duct furnaces and unit heaters?

<p>80% (A)</p> Signup and view all the answers

Which standard should an integrated mechanical system (IMS) with a heat-recovery ventilator be tested in accordance with?

<p>CSA P.10 (A)</p> Signup and view all the answers

What is the minimum overall thermal performance factor required for an integrated mechanical system (IMS) with a heat-recovery ventilator?

<p>60% (A)</p> Signup and view all the answers

What is the sensible heat-recovery efficiency required for heat-recovery ventilators at an outside air test temperature of 0°C for locations with a 2.5% January design temperature greater than or equal to –10°C?

<p>At least 60% (A)</p> Signup and view all the answers

What is the sensible heat-recovery efficiency required for heat-recovery ventilators at an outside air test temperature of 0°C and at least 55% at an outside air test temperature of –25°C for locations with a 2.5% January design temperature less than –10°C?

<p>At least 55% (D)</p> Signup and view all the answers

What is the principal ventilation rate required to meet the requirements of Sentence (3)?

<p>Not less than that required in Section 9.32 (C)</p> Signup and view all the answers

What performance requirements must HVAC equipment and components comply with?

<p>Table 9.36.3.10 (D)</p> Signup and view all the answers

According to the text, which of the following is NOT required to be accounted for in the energy model calculations?

<p>Space cooling (C)</p> Signup and view all the answers

According to the text, what adjustment factor should be used for each suite in a residential building containing 3 suites, when calculating the loads due to heat gains from occupants, lighting, and miscellaneous equipment?

<p>0.606 (A)</p> Signup and view all the answers

According to the text, what is the space-heating temperature set-point in basements and common spaces?

<p>19°C (D)</p> Signup and view all the answers

According to the text, what is the space-cooling temperature set-point in all conditioned spaces served by the cooling system?

<p>25°C (B)</p> Signup and view all the answers

According to the text, what type of control should the energy model calculations account for, which responds to fluctuations of ±0.5°C from the temperature set-point?

<p>Thermostatic control (B)</p> Signup and view all the answers

According to the text, what should be used for both the reference and proposed houses when employing the calculation methods in the energy model?

<p>Same calculation methods (A)</p> Signup and view all the answers

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