The Wire Feed Speed on Charts Are Generally Given in ___________________

question 21

Multiple Choice

The wire feed speed on charts are generally given in ___________________.

• A) pounds for filler wire per minute
• B) amperage and voltage
• C) pounds per square inch of weld area
• D) inches per minute

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Definitions:

Test Statistic

A calculated value from sample data used to make a decision on whether to reject the null hypothesis in statistical hypothesis testing.

Population Random Variable

A variable that incorporates the randomness from a population and is used for probability distributions in statistical calculations.

Ch-Squared Distribution

A statistical distribution describing the sum of the squares of variables that follow a standard normal distribution; often used in hypothesis testing.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or test without violating any constraints.