Humber/Ontario Real Estate Course 3 Exam Practice

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In terms of residential heating, how does a boiler-based system typically function?

  1. It includes a burner and heat exchanger unless it is electric.

  2. It requires radiators for operational efficiency.

  3. It operates through extensive ductwork to distribute heat.

  4. It heats water to 212 degrees to ensure effective heating across space.

  5. It will always demand a pump to ensure circulation without fail.

  6. It primarily uses electrical circuits for heating without burner presence.

The correct answer is: It includes a burner and heat exchanger unless it is electric.

A boiler-based heating system functions by heating water or a water-glycol mixture, which is then circulated through a network of pipes to provide warmth. The inclusion of a burner and a heat exchanger is essential for traditional boiler systems. The burner heats the water, while the heat exchanger facilitates the transfer of heat to the water without mixing the two fluids. This choice correctly identifies the typical components of a boiler system, emphasizing that the presence of a burner and heat exchanger is crucial for operation unless the system is electric. In electric boiler systems, the process is different, as they rely on electrical resistance to heat water instead of a combustion process. While some other options touch on aspects of heating systems, they do not completely capture the function of a boiler-based system. For example, while radiators are often used in conjunction with boilers, their use is not universally required for operational efficiency across all setups. Similarly, extensive ductwork is characteristic of forced-air heating systems, not boiler systems, which utilize pipes for water distribution. The heating process does not necessarily require water to reach 212 degrees; it can operate effectively at lower temperatures. While pumps are commonly employed to circulate heated water throughout the system, the assertion that they are always necessary without fail is an overstatement

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