Unit 3 and 4 test
An inch based micrometer with a vernier scale has graduations that can be read within
0.0001
A metric vernier caliper has graduations that can be read within
0.02 mm
three hundred twenty thousandths is
0.0320
Depth mircometer interchangeable rods are produced in ____ or 25-mm increments
1 in
The vernier bevel protractor has a graduations that can be read within ______ min
5
part surfacesa re compared to the ____ degree crner of the quare
90
_____ are the division or spaces on a ruler
Graduations
______ gagesa re used to check outside corner and insider corner radii
Radius
_______ on an optical comparator allows visual inspection of areas where light can not pass through a part
Surface illumination
a telescoping gage is shaped like an ____ and has two arms that expand when the locking screw is loosened
T
_____ tools are used when the measurement must be transferred to and measured with a rule
Transfer
The opposite sides of an _____ can be positoned to measure widths of slots then measured with a micrometer
adjustable parallel
____ gaes can compare part angles to standard angles similar to the way radius and fillet gages are used
angle
An ______ dial face has equal graduation on each side of the )
balanced
Snap gages are ____-shaped gages that can be used to check external dimensions.
c
______ used in semi precision measurement have two legs that make contact with part surfaces to obtain measurements
calipers
the _____ set consists of a blade square head center head and protractor head
combination
precision fixed gages are used to amek measurements to 0.0005 accuracy
comparative__
an ______ identifies locations in an X Y Z coordinate system by touching an electronic probe to part surfaces
coordinate measuring machine
A _____ is a tool that shows small movements by displaying them with a needle on a graduated dial face
dial indicator
A_____ is a hybrid between a square and a protractor
die makers square
on ____ indicators the movement are displayed on electronic readout
digital
During machining, ____, or specified print sizes, must be measured to be sure they are within required specifications.
dimensions
Two pin gages can be used to create what is called a _____ end go/no go plug gages
double
_____ gages are strips of metal available in different thicknesses that can be used to check small clearances and space
feeler
____ gages are tools without adujstment that are used for comparative measurement of parts to a particular size
fixed
____ block are extremely accurately sized blockes with very smooth surfaces that can be used for part inspections or to check the accuracy of other precision measuring tools
gage
A vernier ____ gage is like a caliper mounted on a solid base for used on a surface plate
heigh
THe ____ is a precision measuring tool that uses a very accurate screw thread to perfom measurement
micrometer
straight edge is a bar with ____ edges that is extremely flat and are available in steel or granite
one
An _____ projects a magnified image of a part on a screen for measurement
optical comparator
An ________ on an optical comparator allows comparative measurement of radii and angles
overlay chart
_____ gages are cylindrical rods with very accurate diameters that can be used to check hole dimensions
pin
An actual measurement of Ra surface roughness can be obtained with a
profilometer
a plain ____ is used to measure angles and has two set of one degree graduations to allow the measurement from either side of the tool
protractor
____ gages are used to inspect external diameters similar to the way pin or plug gages are used to check internal diameters
ring
The ______ is by far the most common semi precision measuring tool utilized in the machining field
rule
_____ gage determines the distance between threads
screw pitch
______ tools have two equal sized cylinders called rolls mounted near each end
sine
____ gages feature a split ball end that expands when an adjusting screw is tightened
small hole
becasue of their construction ______ squares can be accurate within 0.0001
solid
______ can be used to check for perpendicularity
square
A ____ plate is used as an accurate flat surface with other precision tools to aid with some measurements tasks
surface
A______ or allowable variation give a size range that is acceptable
tolerance
An _____ can be used to measure small parts by viewing them through a magnified eyepiece
toolmakers microscope
Adjustable squares are made in ____ piece(s) and can easily be adjusted and disassembled.
two
A ____ measuring tool contains a main scale and a secondaary sliding scale called ____
vernier
