Written by IAPMO• October 29, 2025• 4:54 pm• Code Quiz

Code Quiz | Fourth Quarter 2025


Questions related to the 2021 UPC Study Guide, Chapter 8, Indirect Wastes: 

A standpipe for a clothes washer shall have a minimum and maximum length of ____________.

An indirect waste receptor shall not be installed in a __________________.

No drain, overflow, or relief vent from a water supply system, or any other discharges under pressure shall be discharge to the drainage system _______.

A domestic dishwashing machine shall be connected to the drainage system by using _____.

Questions related to  the 2021 UMC Study Guide, Chapter 8,  Chimneys and Vents 

Any angle greater than __________ degrees from the vertical direction is considered _____ .

The total horizontal distance of a vent plus the horizontal vent connector shall not exceed _____ percent of the vertical height of the vent.

Vents serving Category I fan-assisted combustion system appliances shall be sized in accordance with _____ or other approved engineering methods.

A 14 inch diameter gas vent extending through a metal flashing less than 8 feet from a vertical wall shall terminate not less than _____ feet above the vertical wall.

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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: October 29, 2025

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