Written by IAPMO• April 4, 2025• 4:20 pm• Code Quiz

Code Quiz | Second Quarter 2025

Questions related to the 2021 UPC Study Guide, 6, Water Supply and Distribution 

Copper water tube Type “M” may be installed within a building __________.

Immediately ahead of each water-supplied appliance and each slip joint or appliance supply a _______________ is required.

After allowing for friction and other pressure losses, the residual water pressure shall be at least __________.

A water piping system with a pressure of 110 psi will require a (an) ______________.

Questions related to the 2021 UMC Study Guide, 6, Duct Systems 

Exhaust ducts and venting systems under positive pressure shall not extend into or through ___________.

Ducts located where exposed to mechanical damage by vehicles or from other causes shall be ____________.

The minimum dimensions for access openings for fire dampers shall be _________ .

Except where permitted by the building code, the use of corridors to convey air to or from rooms where the corridor is required to be of fire-resistive construction is _______________.

IAPMO
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IAPMO develops and publishes the Uniform Plumbing Code®,the most widely recognized code of practice used by the plumbing industry worldwide; Uniform Mechanical Code®; Uniform Swimming Pool, Spa and Hot Tub Code®; and Uniform Solar Energy, Hydronics and Geothermal Code™ — the only plumbing, mechanical, solar energy and swimming pool codes designated by ANSI as American National Standards — and the Water Efficiency Standard (WE-Stand)™. IAPMO works with government, contractors, labor force, and manufacturers to produce product standards, technical manuals, personnel certification/educational programs and additional resources in order to meet the ever-evolving demands of the industry in protecting public health and safety.

Last modified: April 4, 2025

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