题目内容
(请给出正确答案)
[单选题]
3000型荧光磁粉探伤机荧光磁悬液体积浓度推荐值为()ml/100ml。
A.0.1~0.6ml
B.0.2~0.6ml
C.0.2~0.8ml
D.0.2~0.9ml
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A.0.1~0.6ml
B.0.2~0.6ml
C.0.2~0.8ml
D.0.2~0.9ml
A.0.1mL/100mL~0.8mL/100mL
B.0.1mL/100mL~0.6mL/100mL
C.0.1mL/100mL~0.9mL/100mL
D.0.1mL/100mL~1.0mL/100mL
A.1.2mL/100L~3.0mL/100mL
B.1.2mL/100mL~3.0mL/100mL
C.1.2m/100mL~3.0mL/100mL
D.1.2mL/100mL~3.0mL/100L
A.缺陷检出率与磁悬液浓度无关
B.用水作悬浮介质时,必须加入表面活性剂
C.荧光磁粉磁悬液的浓度一般要高于非荧光磁粉磁悬液的浓度
D.其它三项所述都不正确
A.荧光磁粉分散剂防腐剂消泡剂防锈剂
B.分散剂防腐剂消泡剂防锈剂
C.荧光磁粉分散剂防腐剂
D.荧光磁粉分散剂防腐剂消泡剂