Which of the following best describes a differential gage?
Response:

• A. Has a set of cartridge or contact gage heads to check several dimensions on a part at the same time
• B. Measures the drop in pressure of the air flowing through a venturi tube
• C. Air passes through the gage in one line to the gage head and in a parallel line to the atmosphere through a setting valve
• D. Measures the clearance between two mating parts

A first-article tool sample inspection is performed to ensure that all
Response:

• A. specified characteristics are being met
• B. engineering responsibilities are complete
• C. purchase order requirements are being satisfied
• D. items in the bill of materials for the tool are correct

In right triangle ABC, in which C is the right angle, the length of AB is equal to c, the length of AC is equal to b, and the length of BC = a. What is the sin for angle A?
Response:

• A. b/c
• B. a/b
• C. a/c
• D. b/a

An engineer reviews a control chart and finds the pattern to show an indication of a mixture. An explanation for this pattern may be a(n):
Response:

• A. indication of common cause variation
• B. indication of special cause variation
• C. failure to make rational subgroups when the control chart was originally created
• D. Both indication of special cause variation and failure to make rational subgroups when the control chart was originally created

A micrometer is used to measure an aluminum part in a fabricator's plant at about 100 degrees Fahrenheit at 11:00 a.m. The customer then uses the same micrometer to test the same part at 72 degrees Fahrenheit at 11:20 a.m.
Which of the following is a certain source of error?
Response:

• A. Variation in environmental conditions
• B. Measuring equipment
• C. Variation in operators
• D. Variation in test procedure