Physics · Public Health Engineering
Which of the following characteristics is INCORRECT regarding the quality and design of an efficient sanitary trap?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It should provide a sufficient water seal with an adequate surface area.
- 2It should be constructed from a durable, non-absorbent material.
- 3The internal and external surfaces must be rough to hold water.✓
- 4It should possess self-cleaning properties.
Correct answer
The internal and external surfaces must be rough to hold water.
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