​How Can a Small Gap Between the Plate and Backing

question 50

Multiple Choice

​How can a small gap between the plate and backing strip be removed?

• A) ​By heating the plates with a torch and squeezing them together in a vise.
• B) ​By making another larger tack weld so it will pull the plates together.
• C) ​By placing it on an anvil and striking it with a hammer.
• D) ​There is no reason to remove these gaps, the weld will fill them up.

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Definitions:

Variation

The measure of the spread or dispersion of a set of values.

Standard Error Of Estimate

A measure of the accuracy of predictions made with a regression line, specifically, it estimates the standard deviation of the error term.

Coefficient Of Determination

A measure used in statistical analysis to assess the goodness of fit of a model, represented as the proportion of variance in the dependent variable that is predictable from the independent variable(s).

Pearson Correlation Coefficient

A measure of the linear correlation between two variables X and Y, giving a value between -1 and 1 which indicates the strength and direction of the correlation.