Written by IAPMO• February 5, 2025• 6:14 pm• Code Quiz

Code Quiz | First Quarter 2025

Questions related to the 2021 UPC Study Guide, Chapter 5, Water Heaters 

Water heaters installed in residential garages shall be installed so that all burners and burner-ignition devices are located not less than 18 inches above the floor unless ______.

Water heaters not listed for outside installation but installed outdoors shall be provided with ________.

A Type B gas vent shall terminate at least _____ feet above the highest connected equipment draft hood or flue collar.

Appliances may be installed in a separate enclosed space having access only from the outside providing the combustion air is ______.

Questions related to the 2021 UMC Study Guide, Chapter 5, Exhaust Systems, Part 1

The use of rectangular ducts for conveying products shall be _______.

Exhaust ducts for clothes dryers shall not be connected or installed with _______.

When a compartment or space for a domestic clothes dryer is provided, a minimum _____ diameter exhaust duct of approved material shall be installed.

Where aluminum construction is used in Class 1 duct systems, the thickness of aluminum ducts shall be not less than _______ the gauges required for steel ducts.

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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: February 5, 2025

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