Features of the textbook vii Copyright Goodheart-Willcox Co., Inc. 541 Copyright Goodheart-Willcox Co., Inc. Chapter18 Dimensi o ning Features a n d AlternatePractices Drawing Problems Start Auto CAD if it is not already star ted. Start a new drawing for each problem an appropri ate template of your choice. The template should include layers text, disusingenecessary.oon8.e5″a× mension, and multileader styl es , wh en necessary, for drawing the given objects. Add layers and text, di mension, and multileader styles as needed. Draw all objects using apprand opriate layers. Use propriate text, dimension, and multil eader stawingjustification, yles, and format. Follow the specific inst ructions for each problem. Use only dr and editinindustry g commands and techniques you ha ve alremensions ady learned. Use your own judgment and approximate dimensions when Apply di accur ately using ASME or appropriate standards. ▼ Basic 1. Me chanical Save P4-3 as P18-1.If youhaveewl n ot yet completed Probl e m 4-3,d so now.Intesus h e P18-1 file,centerlinel.Ifyoortaveewl cr eate o r import a n aye r f o r center lin es, a nd draw t h centerlin in g t h e aye r . 2. Me chanical Save P4-7 as P18-2rimpr u h not yet completedPres, obl e m 4-,dot 7 so now.In t h e P18-2 file,crnterlinel eate o a n aye r f o r centerlin a nd draw h e centerlinesusDraw in g t h e ce aye . 3. Mechanical a n d dimensi o n t h e part vewshown i . Save t hedrawing as P18-3. .500 1.750 2.250 1.750 2.500 .500 3.500 1.125 4X Ø.500 Ø.625 3X R.250 Drawing Pro b lems - Cha pt er 18 Cop d ingan n d he ob tif nd d a ro u o r r f y m l a s i o d in g n an d e bj if d a op h r r . y m a i o 547 Copyright Goodheart-Willcox Co., Inc. Chapter 18 Dimensioning Featurress and Allternate Practicess Drawing Pro b lems - Cha pt er 18 ▼ Intermap-diaDraw e te 15. M e chanical nd dimension the thumb screw shown. Save the drawing as P18-15 . Prin t an 11″ copy of the drawing extents using a 1:1 scale and land- cap orientati . Ø.1511 35°° .2199 .688 Ø.437 PITCH 64 DIAMOND KNURL 2X .032 X 45° R.032 10-32 UNF-2A .155 FULL KNURL For Problems 16 through 18, draw and dimension orthographic views needed to describe part completely. Save the drawings as P18-16, P18-17, and P18-18. 16. Mechanical Tiitle:: Sh him MS Mettricc 10 THK AutoCAD Certified Professional Exam Practice - Chapter 19 580 AutoCAD and Its Applications—Basics Copyright Goodheart-Willcox Co., Inc. AutoCAD Certified Professional Exam Practice Answer the following questions using the information in this chapter. 1. Which of the following terms describes the dimension 18.75±.25? Select all that apply. A. deviation tolerance B. equal bilateral tolerance C. limit dimensioning D. plus-minus dimensioning E. symmetrical tolerance F. unequal bilateral tolerance 2. Which AutoCAD tolerancing method can you use to create an unequal bilateral tolerance? Select the one item that best answers the question. A. Basic B. Deviation C. Limits D. None E. Symmetrical 3. What is the specified dimension in the tolerance shown here? Select the one item that best answers the question. A. 10.17 B. 10.50 C. 10.60 D. 10.62 E. 10.67 Follow the instructions in each problem. Complete each problem by answering the related question. 4. Navigate to this chapter on the companion website and open CPE-19limits.dwg. Create a new dimension style named Limits and select the Limits tolerancing method. Set the primary units to use two-place precision and set the upper and lower tolerance values to .25. Use the Limits dimension style to create the two dimensions shown. What are the limits of Dimensions A and B? 5. Navigate to this chapter on the companion website and open CPE-19unilateral.dwg. Create a new dimension style named Unilateral and select the appropriate toler- ancing method to create a unilateral tolerance. Set the primary units to use three-place precision. Set an upper limit of 0 and a lower limit of –.021. Make the necessary setting to suppress leading zeros. Use the Unilateral dimension style to create the two dimensions shown. What are the limits of Dimensions C and D? 5 4 7 Ch ap ter 1 8 D i m e n s i o n i n g Fe at u e a n d A t e r n a te Pr a c t i c e Dr aw r r ing Pro b lems - C ha pt er 18 Ø .15 3 5 . 688 mens ion tthee h orthogra ph ic vi ews nee d ed to d escri be tthee h -16 , P1 8 -17 , and 7 7 P1 8 -18 . t l t l e l e e e: : S S S S h h him M S S M e et r t r r ri i i ic c c 1 1 1 0 TH K Drawing Problems - Chapter 18 Chapter 18 Dimensioning Features and Alternate Practices 553 Copyright Goodheart-Willcox Co., Inc. ▼ Advanced 23. Mechanical Draw and dimension the part views shown. Do not draw the table. Save the drawing as P18-23. 0.000 0.000 .750 .875 1.250 3.125 5.250 6.000 3.938 9.950 .000 .750 1.500 5.000 13.250±.031 .000 .281 12.969 9.950 7.750 6.000 5.500 4.375 3.875 B A A A C D G G G G F E B A A 5.125 5.250 8.875 .465 .500 2X R.47 .188 .375 2X R SCALE: 2:1 SCALE: 2:1 Ø.141 SEE VIEW A Ø.813 Ø1.625 Ø.594 Ø.500 SEE VIEW B HOLE LEGEND G F E D C B A VIEW A VIEW B 24. Mechanical Draw and dimension the part views shown. Save the drawing as P18-24. Title: Bracket Material: SAE 1040 Drawing Problems require application of chapter concepts and problem-solving techniques. Problems are grouped in order of diffi culty and are classifi ed as Basic, Intermediate, or Advanced. AutoCAD Certifi ed Professional Exam Practice questions help prepare you for the AutoCAD professional level certifi cation exam. Discipline labels identify problems from different drafting disciplines. Discipline Labels Mechanical Architectural Electronics General Civil Graphic Design Piping