9) Counterboring is a process ofa) Cutting threads in a Workpieceb) Making precise hole in a Workpiecec) Making shape for a Socket Flathead cap screw in aworkpieced) Making shape for a Socket head cap screw in aWorkpiece10) Countersinking is a process ofa) Cutting threads in a Workpieceb) Making precise hole in a Workpiecec) Making shape for a Socket Flathead cap screw in aWorkpieced) Making shape for a Socket head cap screw in aWorkpiece11) What size drill is used to Ream 1/4 inch hole?a) 0.250b) 0.235c) 0.248d) 0.20012) What size drill is used for ½ -13 tapped hole?a) 0.423b) 0.485c) 0.498d) 0.312

9) Counterboring:Correct answer: d) Creating a recess for a Socket head cap screw in a…

Answered: 9) Counterboring is a process of a)…

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

Chapter8: Computer Numerical Control

Section8.8: Computer-aided Design And Computer-aided Manufacturing

Problem 4RQ

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19-21 Answer it correctly and this is Asap I will rate helpful if fast and perfect
Which one of the options isn't classified as a chip form type? a)Non-segmental chip b)Sheared chip c)Discontinuous chip d)Continuous chip
17) The Feed Rate on a Conventional lathe is measured in a) Feet per minute b) Inches per Revolution c) Inches per minute d) Inches per tooth 18) From a feed and Speed chart we find that a single point lathe tool is given a cutting speed of 100 FPM and a feed per revolution 0.007.If the diameter of the Workpiece is 1.25 inches What is the correct RPM and Feed rate used on the Lathe? a) 320 RPM and 0.007 IPR b) 100 RPM and 7 IPM c) 3200RPM and 0.007 IPR d) 125 RPM and 0.007 IPR 19) To Fix a small bump left on the Face of a workpiece in a lathe a) Use a file b) Ignore it c) Adjust the tool on centre again 20) The best tool to use to Chamfer a hole is a a) Chamfer file b) Counterbore c) Countersink d) Reamer 01
Gear finishing operation is called: A) Burnishing B) Hobbing C) Shaping D) Milling
An orthogonal cutting operation is being carried out in which to=0.2 mm, V=2m/s, a=7.5o, and the width of cut=5 mm. It is observed that tc=0.25mm, Fc=400N, and Ft=300N. Calculate the percentage of the total energy that is dissipated in friction at the tool-chip interface. A) 22% B) 50% C) 70% D)None of the above
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37) What is the nominal included angle of a Standard Countersink drill a) 30 Degrees b) 82 Degrees c) 90 Degrees d) 118 Degrees 38) Convert 47/64 inch to Millimeters a) 18.653 mm b) 17.830 mm c) 18.550 mm d) 16.852 mm 39) Calculate the RPM and Feed Rate for a 1.750 Diameter Carbide 5 tooth Cutter when machining Cast Iron. Recommended Cutting Speed is 190FPM Feed per tooth is 0.006 inch.? a) 314 rpm, 9.42 ipm b) 414 rpm, 12.442 ipm c) 514 rpm, 15.42 ipm d) 313 rpm, 13.23 ipm 40) What is the reading on the 0-1 inch micrometer? a) 0.625 b) 0.635 c) 0.638 d) 0.610 11 TT 71
Objects produced by a casting or forging process often have one or more rough surfaces that: a) must be surface coated b) must be finished by machining c) must be polished d) must be repaired
Please answer correctly thank you
1. Buckling a)Explain what is meant by the term “buckling” in a machine structure? b)What parameters affect the critical load limit equation (Pcr) - buckling on a machine structure? c)How to improve the ability of a machine structure so that it is not easyexperiencing buckling?

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