Chapter 5

A surface plate is most typically made of which one of the following materials

Granite

Which one of the following manufacturing processes is likely to result in the best surface finish

Grinding

Which of the following are likely to be GO/NO-GO gages (three correct answers):

Limit gage, plug gage, snap gage

Which one of the following manufacturing processes is likely to result in the worst surface finish

Sand casting

Accuracy is the degree to which the measured value agrees with the true value of the quantity of interest

True

Dimensions are the linear or angular sizes of a component specified on the part drawing:

True

Precision is the degree of repeatability in the measurement process

True

In inspection, which procedure provides more information

measurement

An outside micrometer is appropriate for measuring which of the following (two correct answers)

part length, shaft diameter

A tolerance is which one of the following

total permissible variation from a specified dimension

Which of the following two geometric terms have the same meaning

circularity, roundness

Surface roughness can be measured as either an arithmetic average (AA) or a root-mean-square (RMS) average. Which value is almost always greater for most surfaces:

root-mean-square average

Which of the following measurement instruments are considered to be graduated measuring devices (three correct answers):

slide caliper, steel rule, vernier caliper

When a tolerance is specified in both the positive and negative directions from the nominal dimension, it is called which one of the following

bilateral tolerance

In a GO/NO-GO gage, which one of the following best describes the function of the GO gage

checks the maximum material condition

Surface texture includes which of the following characteristics of a surface (three correct answers):

deviations from the nominal surface, feed marks of the tool that produced the surface, surface cracks

Thermal energy is normally associated with which of the following changes in the altered layer (three best answers)

hardness variations, heat affected zone, recrystallization

Surface texture is included within the scope of surface integrity

true