单选题 Developer assists in the detection of penetrants retained in discontinuities byaiding the:有助于使停留在不连续性中的渗透剂形成显示,显像剂通过:
A、post-cleaning process 后清洗过程
B、emulsification process 后乳化过程
C、bleed out process 吸咐 过程
D、drying process 干燥过程
单选题 When using post-emulsification penetrants, difficulties incurred during the
Washing operation can be overcome by:
当使用后乳化渗透时,水洗操作过程遇到困难可通过以下哪个选项克服?
A、 reapplying a coating of emulsifier 重新施加乳化剂层
B、increasing the water pressure used during the washing operation 水洗
过程时造加水压
C、 completely reprocessing the part from surface preparation on and by using a longer emulsifier time, if allowed如果允许的话,从表面准备开始重
新处理零件,延长乳化时间
D、dipping the part in boiling water 将零件浸入沸水中
单选题 All of the following methods are recommended to remove grease from the
Surface of a penetrant test specimen except:
以下所有方法推荐去除即将进行渗透检测的零件表面的油脂,除了 :
A、 vapor degreasing 蒸汽除脂
B、 alkaline cleaning 碱清洗
C、 cleaning with solvent type material 用溶液类型材料清洗
D、 hot water rinsing 热水清洗
单选题 Which of the following physical properties, more than any other, determines
What makes a material a good penetrant?
与其它相比,以下哪种物理性能将决定渗透性能的好坏
A、 viscosity 粘度
B、 surface tension 表面张力
C、 wetting ability 润湿性能
D、no one single property determines if a material will or will not be a good penetrant
单一的性能将不能决定此材料渗透性能优良与否
单选题 Which of the following types of discontinuities cannot be detected by the liquid
Penetrant test method?
以下哪种类型的不连续性通过渗透检测方法不能被检测
A、 surface laminations 表面分层
B、 internal forging bursts 内部爆裂
C、 surface cracks 表面裂纹
D、 surface laps 表面折叠
单选题 Penetrant developer is commonly available in all of the following forms except:渗透显像剂通常是以下所有的形式类型,除了
A、dry developer干粉显像剂
B、nonaqueous developer 非水湿显像剂
C、wet developer 湿显像剂
D、high viscosity developer高粘度显像剂
单选题 Developer assists in the detection of the visible dye penetrant test indications显像剂通过以下哪个选项有助于形成可见的着色渗透检测的显示?
A、providing a clean surface 提供一个干净的表面
B、providing a contrasting background 提供一个对比背景
C、providing a dry surface 提供一个干燥的表面
D、emulsifying the penetrant bleed out 乳化渗透剂的吸附
单选题 The speed with which a penetrant penetrates a surface flaw is influenced to the
Greatest extent by which of the following properties?
以下哪个选项将极大地影响渗透剂渗入表面缺陷的速度?
A、 capillary action 毛细作用
B、 surface tension and wettability 表面张力和润湿能力
C、 viscosity 粘度
D、 density宅度