List 4 types of micrometers
inside, outside, depth, thread pitch, Vernier, standard
1/16
.0625
Describe the term "feel" in reference to precision measurement.
Explain each of the following items: (6 points) 1/4-20 UNC RH-1A
1/4-__________________________________________
20__________________________________________
UNC_________________________________________
RH-__________________________________________
1__________________________________________
6. A_________________________________________
major diameter
tpi
unified national course
right hand
class of fit
external
dark chocolate (minimum 60 % coco content), it can be in combination with nuts, coffee, peanut butter, but not fruit or bacon
The universal dial caliper can be used to take 4 types of measurements. List them:
outside
inside
depth
step
.093
3/32
Explain the difference between direct and indirect measurement
direct reading tools read directly from a graduated tool
indirect tools are a comparison or transfer measurement
what is the national standard for measurement and inspection in Fahrenheit and Celsius?
68 degrees F
20 degrees C
What is Sara's Philosophy about helping students outside of class?
1. Schedule an appointment
2. She will put as much effort into helping you, as you do yourself
5/16
.3125
give an example of a direct reading measurement tool
steel rule, dial calipers, micrometer
how many mm equal 1 inch
25.4mm = 1 inch
What is the motto for this hairstyle?
business in the front, party in the back
Name 5 semi-precise measurement tools:
protrator
combination set
steel rule
screw pitch gage
radius or fillet gages
.9375
15/16
give an example of an indirect reading measurement tool
comparison or transfer measurement, small hole gages, telescoping gages, screw pitch gage, fillet gage
What trigonometric function do you use to solve a gage block build up?
sine of an angle
What is the longest running sitcom of all time?
google says: the simpsons (1989-present)
Name 5 precise measurement tools:
micrometers
telescoping gages
small holes gages
pin gages
gage blocks
height gage
optical comparitor
11/16
.6875
What is meant by the term reliability and repeatability in reference to precision measurement
reliability-ability of the measuring tool to give you the same measurement over and over
repeatability- ability of the person measuring to obtain the same measurement over and over
List two criteria in how to select the proper size for an outside micrometer in terms of how they are classified.
accuracy (standard or vernier)
range (0-1, 1-2 etc)
What is the largest coal mine in United States?
Black Thunder, Wright Wyoming