Exam 20: Shop Math and Weld Cost

Because ____ costs are figured on an hourly basis, they can be controlled only by increasing productivity.

Describe the approach employed by large shops to estimate the costs of welding.

It is often possible to help control ____ costs by getting bids from several suppliers and combining as many jobs as possible in order to get any discount for larger quantities purchased.

To reduce any number of inches equal to or larger than 12 to feet and inches, you divide the inches by ____.

Which of the following would not be on a bill of materials?

The weight of weld metal required to fill the groove or make the fillet weld is determined by ____.

____________________ costs are those expenses that change with the quantity of work being produced.

____________________ costs are those expenses that must be paid each and every day, week, month, or year, regardless of work or production.

Describe two ways for reducing fractions.

Describe the sequence of operations to be performed when a formula has more than one mathematical operation.

The ____________________ is the rate at which weld metal can be deposited by a given electrode or welding wire, expressed in pounds per hour.

The most common use of math in welding shops is for ____________________ and pricing.

____________________ are commonly used in welding fabrication for dimensioning a distance that is less than an inch.

____________________ is the arc time in hours divided by the total hours worked.

When using solid or flux cored wires, the deposition rate will ____ as the electrical stickout is ____ and the same welding current is maintained.

What is the name of a triangle that has two sides that are the same and two angles that are the same?

To add 1/2 and 1/16 where both denominators are different, you must first find the ____________________.

____ is the math that most welders use on a daily basis.

Convert 0.6875 to a fraction.

It is difficult for most manual welding to work with fractions smaller than ____ of an inch.