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Ironworking
Ironworker Red Seal Certification
Reinforcing Steel (Rebar)
Verificación de conocimientos
Reinforcing Steel (Rebar)
Verificación de conocimientos
Verificación de conocimientos
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What is a 'rebar chair' and why is it critical for structural performance?
A
A rebar chair is the formwork bracket used to support beam side forms during concrete placement
B
A rebar chair is a precast concrete or plastic support that holds rebar at the specified height above the form, ensuring correct concrete cover for corrosion protection and structural performance
C
A rebar chair is a safety device that locks rebar in place to prevent roll-off accidents during placement
D
A rebar chair is the threaded coupling used to connect rebar segments with mechanical splices
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