Worksheets8.1
Total questions: 14
Worksheet time: 7mins
What does the term one thou stand for?
A thousand inches
1/1000 of an inch or 0.001
100/1000 of an inch
Ten thousand inches
On a standard scale or inspection tool each line is called a....
Graduation
Segment
Line
Measurement
When the drawing of a part is the same actual size as the part the scale is....
1:1
1:4
1:10
1:2
When using a vernier caliper it is important to clean the measuring faces prior to use.
True
False
One of the most versatile pieces of inspection equipment to a machinist is.....
A vernier caliper
Calibrated scale
A rag in your back pocket
A piece of string with knots tied every inch
When using calipers to measure an outside diameter you should remember to....
Not push to hard and place the part deep into the jaws
Measure with the tail of the caliper
Do not use calipers
Stand shoulder width apart
When using the tail of a caliper to measure the depth of a feature it is important to watch the corner radii as this could throw off your measurement...
True
False
Calipers measure the inside of holes except when
The hole is a blind hole
the hole is smaller than 0.125
The hole is a counterbore
your mum says its wrong
what is the number one cause of errors when measuring with micrometers?
Gorilla grip and over-tightening
Dirt on the measuring faces
Using it on the wrong place
Using them like a pair of pliers
For inch micrometers, the main graduations on the sleeve are
0.01
0000004
100, 200, 300 etc
1 Inch
The thousands are etched onto the thimble part of the micrometer
True
False
For small holes a good inspection tool is....
A ruler
A tape measure
A micrometer
Go/No go guages
A good measuring tool to check threads is a thread plug guage.
True
False
A good tool to check small holes is......
Your finger
A rule
Gauge pins
A micrometer
