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Multiple Start Threads

Vincent Bergeron 11 questions

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Questions in this quiz (11)

  1. 1Which of the following statements is incorrect for multiple start threads?
    1. Ahave a larger lead without greater depth than single threads
    2. Bhave a larger minor diameter than single threads
    3. Cfurnish less load bearing area than single threads
    4. Dtransmit motion more efficiently than single threads
  2. 2Which of the following statements is incorrect for multiple start threads?
    1. Athe pitch on multiple threads is the distance a nut moves in one revolution
    2. Bthe depth is determined by the pitch of the thread
    3. Cmultiple start threads have less locking power than single start threads
    4. Dthe lead on multiple threads is greater than on single threads
  3. 3Which of the four statements is incorrect with regards to creating multiple start threads?
    1. Aindexing the workpiece using the back gears
    2. Bindexing the workpiece with a faceplate
    3. Cusing the compound rest on a lathe
    4. Dusing the dial chasing mechanism on the lathe
  4. 4Identify one of the disadvantages when using a driveplate to cut multiple start threads
    1. Adriveplate has to be accurately machined
    2. Bshaft can be removed and replaced for inspections
    3. Cworkpiece is held between centers
    4. Dcompound rest can be swiveled for cutting procedures
  5. 5The end gear method has some limitation when cutting multiple start threads. You can only use this method when it is possible to divide the teeth of the spindle gear evenly with:
    1. Athe pitch of the thread
    2. Bthe number of threads per inch
    3. Cthe number of starts on the thread
    4. Dthe lead of the thread
  6. 6The lathe has a spindle gear of 48 teeth. Which of the following thread starts can be machined on the lathe using the back gear method: 2, 3, 4, 5, 6, 7, 8 & 9
    1. A2, 3, 4, 6, 8
    2. B2, 3, 4, 5, 6
    3. C2, 3, 4, 5, 8
    4. D3, 5, 7, 8, 9
  7. 7You are supposed to generate a double-start odd numbered thread on a lathe and you are utilizing the thread dial on the unit. Where are you engaging the split nut to machine the first start?
    1. Aat opposed numbered lines
    2. Bat any graduation
    3. Cat half lines
    4. Dat numbered lines
  8. 8You are supposed to generate a double-start odd numbered thread on a lathe and you are utilizing the thread dial on the unit. Where are you engaging the split nut to machine the second start?
    1. Aat opposed numbered lines
    2. Bat half lines
    3. Cat any graduation
    4. Dat numbered lines
  9. 9You are supposed to generate a double-start even numbered thread on a lathe and you are utilizing the thread dial on the unit. Where are you engaging the split nut to machine the first start?
    1. Aat split between graduations
    2. Bat opposed numbered lines
    3. Cat numbered lines
    4. Dat any graduation
  10. 10You are supposed to generate a double-start even numbered thread on a lathe and you are utilizing the thread dial on the unit. Where are you engaging the split nut to machine the second start?
    1. Aat split between graduations
    2. Bat opposed numbered lines
    3. Cat numbered lines
    4. Dat any graduation

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Description
3rd year Quiz on Multiple Start Threads, created by Vincent Bergeron on 15/04/2015.
Language
English
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