IED-Activity 1.3.1 Quiz

A highly precise measurement is one that:

• Is always accurate.

• Has many significant figures.

• Is made with expensive equipment.

• Is close to the true value.

A measurement that is close to the true value is said to be:

• Precise

• Accurate

• Certain

• Estimated

Which measuring tool is generally more precise, a ruler or a dial caliper?

• Ruler

• Dial Caliper

• Both are equally precise

• It depends on the user

The level of precision needed for a measurement depends on:

• The cost of the measuring tool

• The available time

• The consequences of inaccuracy

• The preference of the engineer

The quality of a measurement can be affected by:

• The quality of the measuring tool

• Human error in reading the measurement

• Imperfections in the object being measured

• All of the above

Calibrating a measuring device ensures:

• Increased precision

• Improved accuracy

• Faster measurement times

• All of the above

When measuring the diameter of a wire, which tool provides a more precise measurement?

• Ruler

• Dial Caliper

• A visual estimate

• Tape Measure

What is abstraction in the context of measurement?

• Using the most precise measuring tool available

• Using the least precise measuring tool available.

• Choosing the appropriate level of precision for the given task

• Ignoring sources of error.

In which field of engineering would the consequences of inaccurate measurements be most severe?

• Aerospace Engineering

• Chemical Engineering

• Civil Engineering

• In all fields, it depends on the product's cost and application.