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提问人:网友lixin080108
发布时间:2022-02-20
[单选题]
水泥安定性试验,调整好沸煮箱内的水位,沸煮试件应在30min±5min内加热水至沸腾,恒沸()
A.3h±5min
B.3h±15min
C.5h±5min
D.5h±min
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A、3h±5min
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- · 有4位网友选择 A,占比50%
- · 有2位网友选择 C,占比25%
- · 有1位网友选择 B,占比12.5%
- · 有1位网友选择 D,占比12.5%
A.3h±5min
B.3h±15min
C.5h±5min
D.5h±min
水泥安定性试验,调整好沸煮箱内的水位,沸煮试件应保证在30min±5min内加热水至沸腾,并恒沸()。
A.3h±5min
B.3h±15min
C.5h±5min
D.5h±l5min
A.3h±5min
B.3h±15min
C.5h±5min
D.5h±15min
A.3h±5min
B.3h±15min
C.5h±5min
D.5h±15min
A.30min±5min
B.45min±5min
C.180min±5min
D.240min±5min
A.30±5,30±5
B.180±5,180±5
C.30±5,180±5
D.30±5,180±5
水泥安定性检验沸煮时,先把水烧至沸腾状态衙再将试件放入沸煮箱内,并保持沸煮3h以上。()
A.正确,在水没有沸腾前可以重新添加水
B.不正确,只要不关掉电源直接添加水即可
C.该组水泥安定性试验作废
D.只要能保证恒沸时间在180±5min内即可
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