Changes in the Step-Off Current Have Been Associated with Arc

question 19

Multiple Choice

Changes in the step-off current have been associated with arc stability________________.

• A) to make vertical up and overhead welds
• B) when only AC power is available for the welding current
• C) on aluminum and copper alloys
• D) for some higher electrically resistant filler metals such as stainless steel and nickel alloys

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Definitions:

Par

Typically refers to a face value of a bond or stock that is set at issuance, or the stated value of a currency.

Principal Amount

The original sum of money borrowed in a loan, or invested, on which interest is calculated.

Maturity

Maturity is the date on which the principal amount of a bond, loan, or other financial instrument is to be repaid in full to the investor or lender.

Stated Interest Payment

The amount of interest that a bond or loan promises to pay to its holder, usually expressed as an annual percentage of the principal.