Exam (elaborations)
TTT L1. Truss Design, Specs, Manufacturing & Installing Questions and Answers 2024
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TTT L1. Truss Design, Specs, Manufacturing & Installing
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TTT L1. Truss Design, Specs,Manufacturing & Installing
Single-Ply and Two-Ply Girder Trusses - answer These are not permitted to use the
repetitive member factor.
Truss Placement Diagram - answer Illustration identifying the assumed location of each
Truss.
Truss Submittal Package - answer Package consisting of each individual Truss Design
Drawing, and, as applicable, the Truss Placement Diagram, the Cover/Truss Index
Sheet, Lateral Restraint and Diagonal Bracing details
ANSI/TPI 1 - answerThe document that is the design standard for metal plate
connected wood trusses.
1/8" - answerOnly up to ____ of member-member gap is allowed.
Quality Assurance - answerQuality control is performed by the manufacturer or plant
personnel while _________________ is offered by third party.
1/4 - answerTooth rollover is to be avoided if more than ____ of tooth length is visible.
20% - answerUse ___% larger plate for wet lumber (MC=20%& up)
60 feet - answerA stiff back or spreader bar directly attached to the truss should be
used when lifting a single truss with a span greater than ___'.
Triangles - answer___________ makes truss and bracing strong.
1/4 - answerThe maximum exposure allowable to assume teeth are ineffective due to
rollover is ___ of tooth length visible in a slot.
3 - answerWeb Continuous Lateral Bracing (CLBs) require at least ___ similar trusses
in a row
Cross - answer_______- bracing is important on high wind region
4 times - answer1 CLB on web increases axial compression forces by ______.
9 times - answer2 CLB on web increases axial compression forces by _____.
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