Precision Core Knowledge and Fundamentals 3

Question 1

In the context of quality control, what does 'Six Sigma' primarily aim to reduce?

Accepted Answer

Defects and process variation

Answer

Six Sigma is a data-driven methodology aimed at reducing defects and process variation to near-zero levels.

Question 2

Which type of screw drive requires a cross-shaped driver with a tapered tip?

Accepted Answer

Phillips

Answer

A Phillips head screw has a cross-shaped recess that accepts the tapered cross tip of a Phillips screwdriver.

Question 3

What is the correct way to measure the diameter of a cylinder using a micrometer?

Accepted Answer

Measure at multiple points along the length and rotation

Answer

Measuring at multiple points along the length and at different rotational positions detects taper, out-of-round, and other dimensional variations.

Question 4

What does ISO stand for in the context of international standards?

Accepted Answer

International Organization for Standardization

Answer

ISO stands for International Organization for Standardization, the body that publishes international standards across industries.

Question 5

In a series electrical circuit, what happens to the total resistance when more resistors are added?

Accepted Answer

Total resistance increases

Answer

In a series circuit, total resistance equals the sum of all individual resistances, so adding more increases the total.

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