Common Competencies 2

Multiple Choice

What type of instrument measures quantities using physical constants and requires calculations for results?

• Digital Instrument

• Absolute Instrument

• Indicating Instrument

• Null Deflection Instrument

Multiple Choice

Which of the following is a feature of digital instruments?

• Provides continuously varying output

• Eliminates human error in readings

• Measures energy over time

• Uses null deflection for measurement

Multiple Choice

A null type instrument achieves high accuracy by measuring the deviation from zero.

• True

• False

Fill in the Blank

A voltmeter is an example of an ________ instrument that shows measurements on a dial.

Multiple Choice

Direct measurements are also called:

• Comparative measurements

• Absolute measurements

• Incremental measurements

• Reference measurements

Fill in the Blank

________ measurements are performed using a reference device to compare dimensions.

Multiple Choice

What does the term “resolution” in measurement systems describe?

• The accuracy of the measurement

• The system's sensitivity to detect small changes

• The repeatability of the results

• The largest measurable value

Fill in the Blank

The uncertainty caused by unpredictable variations like noise is classified as ________.

Multiple Choice

Using penetrating oils like WD-40 for lubrication can leave residues that affect calibration.

• True

• False

Multiple Choice

Proper handling and storage can prevent the rapid deterioration of measuring instruments.

• True

• False