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问题 单项选择题

钢筋切断机切短料时，手和切刀之间的距离应保持在150mm以上，如手握端小于（）时，应采用套管或夹具。

A.150mm

B.200mm

C.400mm

D.500mm

答案

参考答案：C

单项选择题

During execution, a functional manager asks you to use a model C generator of model B on your project. The functional manager says that model C will solve the needs of the project and provide some benefits to the manufacturing department. You look at the cost associated with model C and discover that it is substantially higher than model B. If you are not sure you can justify the more expensive model, what do you do

A) Review the specification of each to validate the manager’s claims.
B) Measure the differences in using each model and present them to senior management.
C) Use model C and cut other tasks to make up for the added cost.
D) Do a life cycle analysis and present the results to your boss.
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判断题

计量检定系统应该是根据量值传递级数的要求，由工作计量器具开始，按每一级传递的不确定度，依据误差的理论，逐级往上推出的。
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