CRC Building Codes & Regulations 3

Question 1

Which IRC chapter primarily governs the energy efficiency requirements for new residential construction?

Accepted Answer

Chapter 11 – Energy Efficiency

Answer

Chapter 11 of the IRC, often cross-referenced with the IECC, establishes energy efficiency requirements for residential buildings.

Question 2

A homeowner wants to convert a garage into a bedroom. Which code concern is MOST critical?

Accepted Answer

Egress window requirement

Answer

Bedrooms must have at least one egress window meeting minimum opening size, sill height, and net clear opening dimensions under the IRC.

Question 3

Under IRC Section R302, what is the minimum fire-resistance rating required for the wall separating an attached garage from a dwelling?

Accepted Answer

½-inch gypsum board on the garage side

Answer

IRC R302.6 requires the wall between an attached garage and the dwelling to be protected with not less than ½-inch gypsum board on the garage side.

Question 4

What does the acronym 'AHJ' stand for in the context of building codes?

Accepted Answer

Authority Having Jurisdiction

Answer

AHJ stands for Authority Having Jurisdiction, the entity responsible for enforcing code requirements in a given area.

Question 5

The IRC requires smoke alarms to be installed in which of the following locations?

Accepted Answer

In each bedroom, outside each sleeping area, and on each story

Answer

IRC R314 requires smoke alarms inside each bedroom, outside each separate sleeping area, and on every story including the basement.

(CRC) Certified Residential Contractor Practice Test