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33) What reason would a Tap break during Tapping: a) Moving Tap from 12:00 am to 3:00 then back to 12:00 am b) Moving Tap from 12:00 am to 11:00 c) Using a Taper Tap with Oil d) None of the above 34) Why is the Reaming operation performed? a) To clean a drilled hole for Dowel Pins b) To make a drilled hole larger c) Used instead of a Tap Drill d) Used for making fine Threads 35) The difference between a UNC thread and UNF thread is a) UNC Thread has less threads per Inch b) UNF Thread has less threads per Inch c) UNC has less tensile strength d) UNC has more thread contact 36) The hole to be Tapped must be: a) The same diameter as the desired thread b) A few thousandth larger than the desired thread c) 0.003 to 0.004 smaller than the desired thread d) All of the above e) None of the above

33) What reason would a Tap break during Tapping: a) Moving Tap from 12:00 am to 3:00 then back to 12:00 am b) Moving Tap from 12:00 am to 11:00 c) Using a Taper Tap with Oil d) None of the above 34) Why is the Reaming operation performed? a) To clean a drilled hole for Dowel Pins b) To make a drilled hole larger c) Used instead of a Tap Drill d) Used for making fine Threads 35) The difference between a UNC thread and UNF thread is a) UNC Thread has less threads per Inch b) UNF Thread has less threads per Inch c) UNC has less tensile strength d) UNC has more thread contact 36) The hole to be Tapped must be: a) The same diameter as the desired thread b) A few thousandth larger than the desired thread c) 0.003 to 0.004 smaller than the desired thread d) All of the above e) None of the above

Precision Machining Technology (MindTap Course List)
Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter4: Drill Press
Section4.3: Drill Press Operations
Problem 8RQ: Briefly contrast the speed and feed differences between drilling and reaming operations.
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33) What reason would a Tap break during Tapping: a) Moving Tap from 12:00 am to 3:00 then back to 12:00 am b) Moving Tap from 12:00 am to 11:00 c) Using a Taper Tap with Oil d) None of the above 34) Why is the Reaming operation performed? a) To clean a drilled hole for Dowel Pins b) To make a drilled hole larger c) Used instead of a Tap Drill d) Used for making fine Threads 35) The difference between a UNC thread and UNF thread is a) UNC Thread has less threads per Inch b) UNF Thread has less threads per Inch c) UNC has less tensile strength d) UNC has more thread contact 36) The hole to be Tapped must be: a) The same diameter as the desired thread b) A few thousandth larger than the desired thread c) 0.003 to 0.004 smaller than the desired thread d) All of the above e) None of the above
Transcribed Image Text:33) What reason would a Tap break during Tapping: a) Moving Tap from 12:00 am to 3:00 then back to 12:00 am b) Moving Tap from 12:00 am to 11:00 c) Using a Taper Tap with Oil d) None of the above 34) Why is the Reaming operation performed? a) To clean a drilled hole for Dowel Pins b) To make a drilled hole larger c) Used instead of a Tap Drill d) Used for making fine Threads 35) The difference between a UNC thread and UNF thread is a) UNC Thread has less threads per Inch b) UNF Thread has less threads per Inch c) UNC has less tensile strength d) UNC has more thread contact 36) The hole to be Tapped must be: a) The same diameter as the desired thread b) A few thousandth larger than the desired thread c) 0.003 to 0.004 smaller than the desired thread d) All of the above e) None of the above
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