NIMS practice

3 Types of cast iron

• Machine Tool Bases, Engine Blocks, and scale

• ductile, gray, malleable

• low carbon, medium carbon, and high carbon

• none of the above

Which has the highest Carbon content

• 8615

• 1090

• 4140

• 1008

Which steel has the lowest carbon content?

• 1045

• 1025

• 1018

• 1015

A dial bore gauge is used to inspect:

• surface finish

• tapered holes

• slots

• holes

What info must be included on a lockout/tagout device?

• diagnosis of problem

• time and temp

• Identity of specific persons authorized to apply and remove the LOTO device

• type of alarm machine

Surface finish can be check with a

• Surface plate

• scale

• magnifying class

• surface roughness comparator

What gauges are used to set height from a granite plate?

• gage blocks

• gage pins

• dial bore gages

• steel rule

one cause of tapped holes becoming too tight might be:

• tap drill holes too small

• coolant breakdown

• tap wear

• none of the above

To pick the correct type of measuring tools to inspect a part, the first item to review is:

• The usage of the part

• the number of dimensions to be inspected

• the tolerances of the the dimensions you are inspecting

• how to set up the part for inspection

When can a feature on a part be measured?

• when the coolant is turned off

• only when the operation of the machine has been stopped and the spindle is turned off.

• anytime the feature can be reached with a measuring tool

• when taken to the inspection department.