Safety Review
When working on machinery producing flying chips, what is the most important safety equipment?
safety glasses
Non ferrous
The process of displacing air between gage blocks for accurate measurements is called?
wringing
What unit is surface finish measured in?
Micro inches
Tight threads produced by a tapping operation may be caused by
tap wear
Government safety regulations state that a person must wear a __ when working with material overhead
hard hat
Steels that have additional elements added to the iron and carbon are called ______ steels
Alloy
How much carbon in 1018
%.18
Dial bore gages are used to measure
holes
Thread percentage is dependent on the
tap hole diameter
The first course of action to take if a material (solid) becomes lodged in the eye is to
pull the top lid over the bottom lid
All ferrous metal contains
Iron
What are the 4 methods of listing drills
1. Letter
2. Number
3. Fractional/decimal
4. Metric
To indicate an angled surface & make that surface parallel to a surface plate, a machinist uses:
sine plate
A reaming operation produces finish tears. What is the cause of these tears?
a reamer with a worn tip
The acronym HMIS stands for
Hazardous Materials Information System
The best PRECISION tool to check perpendicularity of two surfaces is a _____?
The best technique for milling on a vertical mill not equipped with an automatic table is to
conventional mill
What feature of a thread is checked with a thread micrometer?
pitch diameter
What are the three tap chamfers
Chamfer tap, plug, bottoming
The acronym MSDS means:
Material Safety Data Sheet
The most accurate method to measure Ra surface roughness is with a(n)
Profilometer
How old is Jerry
3000 years old
What is a gage block height for an angle of 17 degrees on a 5" sine plate?
1.4618
How should feed be adjusted when breaking through a workpiece?
Feed should be increased to break through the bottom of the hole