Precision Instruments Study Guide

Front

What is the minimum reading of a precision instrument with a resolution of 0.001 inches?

Back

0.001 inches.

Front

What is Accuracy?

Back

The degree of closeness of measurements of a quantity to the actual (or accepted) value.

Front

What is the smallest division on a micrometer?

Back

0.001 inches.

Front

If a measurement is between 1.000 inches and 1.005 inches, what is the measurement if the green arrow shows alignment at 1.002 inches?

Back

1.002 inches.

Front

What is the significance of the minimum reading in precision measurements?

Back

It indicates the smallest increment that can be accurately measured.

Front

How does precision differ from accuracy in measurements?

Back

Precision refers to the consistency of measurements, while accuracy refers to how close a measurement is to the true value.

Front

What is the formula to convert inches to millimeters?

Back

1 inch = 25.4 mm.

Front

What is a caliper used for?

Back

A caliper is used to measure the distance between two opposite sides of an object.

Front

What is the purpose of a micrometer?

Back

A micrometer is used to measure small distances with high precision.

Front

What is the role of a vernier scale?

Back

A vernier scale allows for more precise measurements by providing additional decimal places.