PLTW IED Test 3

Based on the provided hole note, what is the diameter of the hole?

Based on the provided hole note, what is the diameter of the counterbore?

Based on the provided hole note, what is the depth of the counterbore?

Based on the provided hole note, what is the depth of the hole?

What is the reading from the caliper to three decimal places?

Answer explanation

1.751 is correct because is passes the 1 inch and 0.7inch marks. The dial reads 51 which appears as the decimal places after 1.7.

What is the reading from the caliper to three decimal places?

Answer explanation

5.491 is correct because is passes the 5 inch and 0.4inch marks. It does not quite go past the 0.5 mark. The dial reads 91 which appears as the decimal places after 5.4.

What design principle means that the simplest solution is often the best solution?

Why is iteration an important part of the design process?

Answer explanation

Iteration allows us to test our designs and update them to answer issues that become known during testing.

  Explain the difference between accuracy and precision.

Answer explanation

Accuracy shows how close an answer is to the target.

Precision shows how close our answers are to each other.

Based on the diameter boxed in red, what type of tolerance format is shown?