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Design, Mathematics, Other
9th -
Professional Development
NIMS Measurement, Materials, & Safety
41 questions
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- 1. Multiple Choice
A part is to be machined to a length of 5.504" plus or minus 0.006". Which of the following dimensions is not acceptable?
5.496
5.503
5.498
5.510
All would be acceptable
- 2. Multiple Choice
A precise reference plane or surface used in precision measurement is called a:
Parallel
Surface Plate
Combination Set
Surface Gage
- 3. Multiple Choice
HMIS stands for:
High-speed Machining Information System
Hazardous Materials Identification System
Hazardous Materials Information System
Hazardous Material Inspection Sheets
- 4. Multiple Choice
How would "Five Hundred Thousandths of an Inch" be written as a three place decimal?
.500
.005
.0500
.050
- 5. Multiple Choice
SDS stands for:
Safety Data System
Shop Disposal System
Safety Data Sheet
System Diagnostic Sheet
- 6. Multiple Choice
The R chart below shows we are making consistent parts:
True
False
- 7. Multiple Choice
The amount of permissible variation on part size and shape is known as:
Tolerance
Allowance
Variation Value
Range
- 8. Multiple Choice
What tool would be most accurate for checking perpendicularity during a relaxed check?
Dial Caliper
Precision or Solid Square
Hook Rule
Combination Square
- 9. Multiple Choice
A type of metal that contains no iron and is not magnetic is:
Super Alloy
Nonferrous Metal
Cast Steel
Ferrous Metal
- 10. Multiple Choice
1070 plain carbon steel contains ________ carbon than 1020 plain carbon steel.
more
an equal amount
less
The answer cannot be determined based on the provide information
- 11. Multiple Choice
SAE 1050 steel has what percentage of carbon content:
5%
.50%
50%
.05%
- 12. Multiple Choice
A type of hardening where only an outer layer of material is hardened is called:
Surface Hardening
Direct Hardening
Indirect Hardening
Annealing
- 13. Multiple Choice
A process that uses some type of material containing solid carbon to add carbon to the outer layer of steel is called:
Carburizing
Tempering
Annealing
Normalizing
- 14. Multiple Choice
This process returns metals to their original, unhardened condition:
Quenching
Tempering
Annealing
Nitriding
- 15. Multiple Choice
The ______ and ______ scales both measure the hardness of a material.
Carbon & Tempered
Normal & Quench
Smith & Wesson
Brinnel & Rockwell
- 16. Multiple Choice
Using a standard 81 piece gage block set, which combination of gage blocks would be selected to make a gage block build of 2.8337"?
0.1337, 0.800, 2.000
0.1007, 0.033, 0.600, 2.000
0.103, 0.1307, 0.600, 2.000
0.1007, 0.133, 0.600, 2.000
- 17. Multiple Choice
Read 0-1" micrometer to the nearest thousandth of an inch.
.416
.441
.466
.341
- 18. Multiple Choice
A negative consequence of hardening metal is that it becomes:
Tough
Fragile
Un-cutable
Brittle
- 19. Multiple Choice
Read 0-1" micrometer to the nearest thousandth of an inch.
.749
.724
.751
.774
- 20. Multiple Choice
Read 0-1" micrometer to the nearest thousandth of an inch.
.577
.582
.607
.557
- 21. Multiple Choice
Read 0-1" micrometer to the nearest thousandth of an inch.
.294
.319
.269
.219
- 22. Multiple Choice
Read 0-1" micrometer to the nearest thousandth of an inch.
.214
.164
.189
.114
- 23. Multiple Choice
Read 0-1" depth micrometer to the nearest thousandth of an inch.
.982
.957
.807
.832
- 24. Multiple Choice
Read 0-1" depth micrometer to the nearest thousandth of an inch.
.114
.139
.064
.039
- 25. Multiple Choice
Read 0-1" depth micrometer to the nearest thousandth of an inch.
.036
.261
.211
.136
- 26. Multiple Choice
Read 0-1" depth micrometer to the nearest thousandth of an inch.
.521
.496
.471
.546
- 27. Multiple Choice
Read 0-1" depth micrometer to the nearest thousandth of an inch.
.568
.618
.643
518
- 28. Multiple Choice
Read to the nearest thousandth of an inch.
.347
.233
.333
.247
- 29. Multiple Choice
Read to the nearest thousandth of an inch.
.567
.553
.153
.145
- 30. Multiple Choice
Read to the nearest thousandth of an inch.
.272
.288
1.288
1.272
- 31. Multiple Choice
Read to the nearest thousandth of an inch.
.126
.134
2.126
2.134
- 32. Multiple Choice
Read to the nearest thousandth of an inch.
2.356
2.344
.356
.344
- 33. Multiple Choice
Read the .050 vernier caliper to the nearest one thousandth at the indicated measurement.
3.246
3.250
.996
.946
- 34. Multiple Choice
The best way to calibrate or check the accuracy of a standard 1-2" micrometer would be to use a:
Inside Micrometer
Dial Caliper
Gage Block
Paralle
- 35. Multiple Choice
This is a federal agency responsible for conducting research and making recommendations for the prevention of work-related injuries and illnesses:
NFPA
OSHA
NIOSH
NIMS
- 36. Multiple Choice
All fires can be extinguished with water if a fire extinguisher is not available.
False
True
- 37. Multiple Choice
What items are required in order for a fire to occur? Check all that apply.
Heat
Carbon Dioxide
Fuel
Smoke
Oxygen
- 38. Multiple Choice
When should safety glasses be worn?
When you enter the machining facility
Anytime there is a potential eye hazard
When operating a machine
All of the above
None of the above
- 39. Multiple Choice
Any liquids spilled on the floor should be wiped up immediately because:
It will stain the floor
It may cause someone to slip and fall
It causes more work for the janitor
It looks bad when visitors are touring the facility
- 40. Multiple Choice
The quantity of parts to be inspected from a production run during a specified time period is stated in the company's:
Production Plan
Process Plan
Inspection Plan
Sampling Plan
- 41. Multiple Choice
The symbol 125√ indicates _______ and is ________ in comparison to a 250√
the surface finish of 125 microinches or better is required; smoother
the carbon percent is 25%; softer
the surface finish of 125 microinches or better is required; rougher
the carbon percent is 25%; harder
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