Skip to main content

Fasteners for PT

Chromate copper arsenate (CCA) was phased out of pressure treated products by 2003 in favor of either alkaline copper quaternary (ACQ) or copper azole (CA), both of which contain higher concentrations of copper than CCA. What types of fasteners are recommended for use with current formulations of pressure treated wood?
A. stainless steel
B. aluminum
C. hot dipped galvanized
D. electric galvanized

AnswerA. Stainless steel and C. Hot dipped galvanized. ACQ and CA formulations are very corrosive to most other fasteners.

ARE 4.0 exam prep: BDCS

Comments

Post a Comment

Try These Too!

Bolted connections

What is the minimum spacing of bolts specified by AISC? and preferred spacing? A. 1 1/4 times the diameter of the bolt; 2 times preferred B. 1 3/4 times the diameter of the bolt; 2 1/4 times preferred C. 2 1/3 times the diameter of the bolt; 2 2/3 times preferred D. 2 2/3 times the diameter of the bolt; 3 times preferred E. 3 times the diameter of the bolt; 3.25 times preferred
Post a Comment
See the answer »

Roof pitch

Which one of the following slopes in this illustration corresponds with an 8:12 pitch roof? A. 45° B. 36.87° C. 33.69° D. 26.57°
Post a Comment
See the answer »

Soil Analysis

In sieve analysis, one of the first results measured is the % retained in each sieve of the total sample (W sieve / W total x 100%). If the illustrated sample indicates equal amounts of various sizes of aggregate, where most of the voids in such material will be filled with particles, which gradation term is used? A. Narrow gradation B. Gap gradation C. Dense gradation D. Open gradation E. Rich gradation
Post a Comment
See the answer »