Measuring Tools

Question 1

What kind of measuring instrument is used to measure the runout of an aircraft engine crankshaft?

Answer 1

A dial indicator

Question 2

What measuring instruments are used to measure the fit between a rocker arm and its bushing?

Answer 2

Outside diameter of the shaft with a micrometer. Inside the bushing is measured with a telescoping gauge and a micrometer caliper

Question 3

In what increments can a vernier micrometer caliper be read?

Answer 3

Ten thousandths of an inch

Question 4

What is an advantage of a vernier caliper over a micrometer caliper?

Answer 4

The range of a vernier caliper is greater than that of a micrometer caliper.

Question 5

What precision tool is used to measure piston ring side clearance?

Answer 5

Thickness gauge

Question 6

What precision tools are used to measure the inside diameter of a cylinder?

Answer 6

A telescoping gauge and a micrometer caliper.

Question 7

What precision tools are used to measure the inside diameter of a small hole?

Answer 7

Small hole gauge + a micrometer caliper.