Quality Inspection Flashcards
7 cards from real CBI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quality Inspection flashcards as text
A drain, waste, and vent system water test requires the system to hold at least what head of water?
Answer: 10 feet for 15 minutes
IRC P2503.5.1 requires a 10-foot head of water held for at least 15 minutes.
Under the IRC, fuel gas piping must be tested at what minimum pressure?
Answer: 1.5 times working pressure but not less than 3 psig
IRC G2417.4.1 requires 1.5 times the proposed maximum working pressure, but not less than 3 psig.
What is the minimum duration of a fuel gas piping pressure test under the IRC?
Answer: 10 minutes
IRC G2417.4.2 requires the test pressure to be held for at least 10 minutes.
A water heater temperature and pressure relief discharge pipe should terminate how far above the floor or receptor?
Answer: Not more than 6 inches
IRC P2804.6.1 requires the discharge to terminate not more than 6 inches above the floor or waste receptor.
The door between an attached garage and the dwelling must be one of which of the following?
Answer: Solid wood or solid/honeycomb-core steel door at least 1-3/8 inches thick, or 20-minute rated
IRC R302.5.1 requires solid wood, solid or honeycomb-core steel at least 1-3/8 inches thick, or a 20-minute fire-rated door.
What gypsum board is required on the garage ceiling when a habitable room is located above the garage?
Answer: 5/8-inch Type X gypsum board
IRC Table R302.6 requires not less than 5/8-inch Type X gypsum board under habitable rooms above garages.
An inspector finds a plastic pipe penetrating a required fire-resistance-rated wall with no sealant. What is required?
Answer: An approved penetration firestop system
Penetrations of fire-resistance-rated assemblies must be protected by an approved, tested firestop system.