【Daily Question】【Civil Engineering Version 20180528】
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Which of the following statements regarding expansion agents, antifreezing agents, pumping agents, and accelerators is incorrect? ( ) A. Expansives are admixtures that cause concrete to expand by a certain amount. B. Common antifreeze agents include chlorides, chloride-rust-inhibiting agents, composite admixtures based mainly on chlorides and rust inhibitors, and sulfates. C. Pumping agents are admixtures that improve the pumping properties of concrete. D. Accelerators are mainly used in shotcrete and leak sealing applications. Answer: B
B. Common antifreeze agents include chloride salts, chloride salt-rust inhibitors, composite admixtures based mainly on chloride salts and rust inhibitors, and sulfate salts
B. Common antifreeze agents include chloride salts, chloride salt-rust inhibitors, composite admixtures based mainly on chloride salts and rust inhibitors, and sulfate salts
B. Common antifreeze agents include chloride salts, rust-inhibiting chloride compounds, composite admixtures based mainly on chloride salts and rust inhibitors, and sulfate salts
B. Common antifreeze agents include chloride salts, chloride salt-rust inhibitors, composite admixtures based mainly on chloride salts and rust inhibitors, and sulfate salts
B. Common antifreeze agents include chloride salts, chloride salt-rust inhibitors, composite admixtures based mainly on chloride salts and rust inhibitors, and sulfate salts