Red Seal Plumbing Practice Exam

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How high must a vent terminal be above a roof that is usable for activities such as sun-tanning?

1.0 metre
1.5 metres
2.0 metres
2.5 metres

The correct answer is: 2.0 metres

The correct height for a vent terminal above a roof is 2.0 metres. This is because this height allows for safe ventilation while also preventing any potential obstructions or dangers for people engaging in rooftop activities, such as sun-tanning. Option A may be too low and could potentially obstruct the flow of air from the vent. Option B and D may also be too high, making it difficult to access and maintain the vent if needed. Therefore, option C is the most suitable and appropriate height for a vent terminal above a usable roof space.