Metalworking Occupations Mid-term Exam

30 Questions | Total Attempts: 94

SettingsSettingsSettings
Please wait...
Metalworking Occupations Mid-term Exam

This exam covers basic machine shop practices. Content areas are listed below. Measurement Layout Machine Speeds Drilling Screw threads Lathe work Milling


Questions and Answers
  • 1. 
    Identify the following tool.
    • A. 

      Vernier caliper

    • B. 

      Depth micrometer

    • C. 

      Outside micrometer

  • 2. 
    Identify the following tool.
    • A. 

      Divider

    • B. 

      Combination Square

    • C. 

      Height gage

  • 3. 
    Identify this tool which is used to scribe circles, arcs, and radii.
    • A. 

      Divider

    • B. 

      Combination Square

    • C. 

      Height gage

  • 4. 
    Identify the following tool.
    • A. 

      Electronic Digital Caliper

    • B. 

      Electronic edge finder

    • C. 

      Electronic Indicator

  • 5. 
    Which of the following tools would be used for basic hole layout work.
    • A. 

      Protractor, scriber, & center drill.

    • B. 

      Edgefinder, scriber, & live center

    • C. 

      Combination square, scriber,& center punch

  • 6. 
    Which of the following tools will produce an internal thread?
    • A. 

      Tap

    • B. 

      Die

    • C. 

      Reamer

  • 7. 
    A small double ended drill used to start a hole is called a
    • A. 

      Pilot drill

    • B. 

      Center drill

    • C. 

      Taper shank drill

  • 8. 
    When preparing to produce internal threads, a hole which is  __________________ the major diameter of the thread should be drilled first.
    • A. 

      Slightly larger than

    • B. 

      Slightly smaller than

    • C. 

      The same size as

  • 9. 
    In the following thread information what does the first number represent? 1/4 - 20 UNC
    • A. 

      The major diameter of the thread is .250 inch

    • B. 

      There are 14 threads per inch

    • C. 

      A 1/4" diameter hole should be drilled

  • 10. 
    What is the decimal equivalent of 23/64?
    • A. 

      .3281

    • B. 

      .3906

    • C. 

      .3594

  • 11. 
    What is the fractional equivalent of .6250?
    • A. 

      1/16

    • B. 

      9/16

    • C. 

      5/8

  • 12. 
    Which drill bit has the largest diameter?
    • A. 

      Number 10

    • B. 

      Letter A

    • C. 

      15/64

  • 13. 
    What size tap drill is used for a 1/4 - 20 UNC thread.
    • A. 

      1/4

    • B. 

      Number 7

    • C. 

      Number 3

  • 14. 
    What size tap drill is used for a 3/8 - 24 UNF thread?
    • A. 

      5/16

    • B. 

      Letter Q

    • C. 

      3/8

  • 15. 
    Which tool is used to de-burr holes?
    • A. 

      Countersink

    • B. 

      Counterbore

    • C. 

      Counter balance

  • 16. 
    Which tool is used to create a square bottomed hole for the head of a bolt to fit in?
    • A. 

      Countersink

    • B. 

      Counterbore

    • C. 

      Counter balance

  • 17. 
    What is the reading on the outside micrometer shown below?
    • A. 

      .244

    • B. 

      .231

    • C. 

      .256

  • 18. 
    What is the reading on the outside micrometer shown below?
    • A. 

      .430

    • B. 

      .455

    • C. 

      .405

  • 19. 
    The lathe operation which cuts across the end of the workpiece is called ___________ .
    • A. 

      Turning

    • B. 

      Surfacing

    • C. 

      Facing

  • 20. 
    The lathe operation which cuts along the outside diameter of the workpiece is called _______________ .
    • A. 

      Turning

    • B. 

      Surfacing

    • C. 

      Facing

  • 21. 
    One methof for cutting a taper or angle on a part in the lathe is to use the ______________ .
    • A. 

      Compound Rest

    • B. 

      Head Stock

    • C. 

      Half Nut Lever

  • 22. 
    A diamond shaped surface which produces a better grip on handles is produced with a _______________ .
    • A. 

      Parting tool

    • B. 

      Reamer

    • C. 

      Knurling tool

  • 23. 
    Drill chucks, live centers, and other taper shank tools are held in the ____________ .
    • A. 

      Head stock

    • B. 

      Tail stock

    • C. 

      Tool post

  • 24. 
    Identify this common cutting tool used in a milling machine.
    • A. 

      Indexable carbide insert end mill

    • B. 

      Two flute end mill

    • C. 

      Four flute end mill

  • 25. 
    After mounting a vise on the milling machine the back jaw of the vise should be aligned with the table using an _______ .
    • A. 

      Indicator

    • B. 

      Edge finder

    • C. 

      Electronic caliper