In Conventional Sand Casting, the Flask Consists of a Drag

question 9

Multiple Choice

In conventional sand casting, the flask consists of a drag, a cope, and intermediate sections called ____ when required.

• A) copes
• B) drags
• C) cheeks
• D) gates

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Definitions:

Instructions

Directives or commands that are followed to achieve a particular end, often detailed steps on how to complete a task or operate something.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically denoted by alpha.

Rule of Five

A statistical rule of thumb asserting that normal approximation can be used if an expected frequency is 5 or more in all categories of a binomial distribution.

Chi-squared Goodness-of-fit Test

A statistical test to determine if observed data deviates significantly from the expected distribution.