Which premature failure occurs when insufficiently braced rebar buckles?

💡 Explanation

Reduced moment capacity occurs because lateral torsional buckling reduces rebar's effective cross-section resisting bending. The unbraced rebar yields prematurely, causing reduced flexural capacity, therefore 'A' is correct, rather than carbon steel corrosion or creep, under normal conditions.

• Which mechanism causes increased signal interference when multiple base station antennas operate on closely spaced frequencies?
• Which risk increases when thermal runaway occurs in an uninterruptible power supply (UPS) lithium-ion battery pack, exceeding cell limits?
• Which risk increases when transformers in a meshed power grid encounter circulating currents?
• Which consequence results when hydraulic retraction failure occurs during aircraft landing sequence?
• Which outcome occurs when a circuit breaker trips in a three-phase motor control center during the operation of a pump?
• Which outcome occurs when an aircraft's automatic stabilizer abruptly disengages during landing approach due to unexpected wind shear?