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Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license

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STDaAWS HOT-ENGL 1i987

= 07842b5 O534398 4 T 0 m

USE OF MEASURING TOOLS FOR THE AWS CERTIFIED WELDING INSPECTOR HANDS-ON EXAMINATION

EDUCATION DEPARTMENT AMERICAN WELDING SOCIETY, INC. 550 N W LE JEUNE RD. MIAMI, FLORIDA 33126
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Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS

Not for Resale

USE OF MEASURING TOOLS FOR THE AWS CERTIFIED WELDING INSPECTOR HANDS-ON EXAMINATION
--``,``-`-`,,`,,`,`,,`---

Copyright 1987 by American Welding Society Inc. 550 N. W. Lejeune Road Miami, Florida 33126 All rights reserved. No part of this module may be produced in any form or by any means without permission in writing from the publisher.

Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS

Not for Resale

Also included with this examination is a sample code to which you must refer in order to answer some of the questions. the three sections of the test Part A : Fundamentals (Closed-book. 46 multiple choice questions).USE OF MEASURING TOOLS FOR THE AWS CWI HANDS-ON EXAMINATION . the format of the AWS Certified Welding Inspector Examination was altered by the Qualification and Certification Committee. cludes plastic replicas of welds and destructive test specimens.. In order to answer the questions on the examination. Part B: Practical Hands-on (Closed-book.`. the require- NOT the same as those found in AWS ments in this sample code are - s-1 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale . include: Presently. there will be questions referring to the pictures appearing in the illuminated viewer. 150 multiple choice questions). As of July. toolkits will be disIn addition to the tools. each person must demonstrate their ability to utilize the tools to measure various aspects of the plastic replicas provided. --``.l.. for a total of 6 hours.`.`.``-`-`. The code provided consists of only a few pages and is generally arranged in the same manner as AWS D1. 4 6 multiple choice questions) and Part C: Code/Standard (Open-book.. In this part of the examination. 1987. plus an illuminated slide viewer containing several pictures. The major change occurring in the examination format is the fact that the Practical portion is now referred to as the "HandsOn" test. In addition. However.`--- Two ( 2 ) hours will be allowed for each separate section of the examination. each kit in- tributed to each person.

the kit also includes an illuminated slide viewer containing pictures showing the equipment for several different nondestructive test methods. In addition to these tools. Before describing their operation. single These replicas include: and multiple a groove pass fillet welds on --``. have to refer to this sample code to determine if the result of that measurement is acceptable in accordance with these code requirements.`--- s-2 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale .`.001 inch graduations (adjustable . weld in a butt joint. O784265 0514401 a15 H During this part of the examination.. Other pic- tures shown in the viewer illustrate weld radiographs containing various types of weld discontinuities.Set of Fibre Metal template fillet weld gages (1/8 to 1 inch fillet weld sizes) .Palmgren weld gage Figure 1 is a picture showing all of the tools found in a typical toolkit for the examination..150 mm metric dial caliper in 0.~ S T D o A W S HOT-ENGL 1987 D1.``-`-`. Finally. you will be asked to Then you may measure certain aspects of the plastic replicas. the list below in- cludes all of the tools contained in the kit: .1.hex wrench provided) . The purpose of this discussion is to familiarize those individuals taking the examination with the tools and their proper usage..`.50 dioptre) .6 inch machinist's rule (or scale) in 1/32 and 1/64 inch graduations - O to 1 inch micrometer in 0.`. the kit contains plastic replicas of welds and destructive test specimens.1 mm graduations 2 inch diameter reading glass (6.

either during the test or in normal day-to-day inspection activities..``-`-`.`. it's appropriate to describe how each particular instrument will be used by the inspector. and a series of four face or root bends showing their convex surfaces after bending. a single pass fillet weld on a T-joint with porosity located in segments identified on the sample.`.- STD=AWS HOT-ENGL 1787 078Y2b5 051YY02 751 W Figure 1.`--- ... Now that all of the components of the kit have been identified.`. a rectangular tensile specimen.or lap joint. s-3 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``. Tools Found in the Examination T o o l k i t different sides of a T.

measuring device included in the toolkit is the 6 inch machinist's rule...`. and probably the most common. 6 Inch Machinist's Rule The particular type found in the kit is graduated in increments of 1 / 3 2 inch on the one (top) side and 1/64 inch on the The large numbers indicate whole inches. Figure 2 shows a closeup of the type in- Figure 2..STD-AWS HOT-ENGL L987 E 07842b5 0534403 698 E Use of the Tools for Measuring and Weld Evaluation Measuring With the 6 Inch Machinist's Rule The simplest. cluded in the kit.`.``-`-`.`. and the smaller numbers indicate the appropriate number of 1/32 --``. other (bottom) side. sometimes referred to as a scale.`--- s-4 Not for Resale Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS .

there is friction stop. and the anvil. These items are shown in Figure 4 . located at the end of the s-5 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``.``-`-`. The type found in the test kit is adjustable. spindle. The significance of these graduations is depicted in Figure 3. so there is an accompanying hex wrench. the barrel. In Figure 5. is an instrument that measures in thousandths of an inch (1/1000 inch)... or "mike" for short. the various parts of the micrometer are identified. Ruler Increments of One Inch Measuring With the O to 1 Inch Micrometer The next measuring device to be discussed here will be the O to 1 inch micrometer. Figure 3.`. A micrometer. a friction stop.`.`.`--- . the also On this particular model.. depending which side of the rule is being used. The the thimble. including the frame.~ ~ ~ STD=AWS HOT-ENGL 1787 0784265 0514404 524 W or 1/64 inch increments.

.`..F R A M E Figure 5.___ STD-AWS HOT-ENGL 3987 = 07842b5 0534405 4b0 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``.`.. Parts of a Micrometer S-6 Not for Resale .`--- Figure 4. Adjustable Micrometer with Hex Wrench FR I CTI ON STOP \ LOCK NUT 5PIN ANVI / .``-`-`.`.

" To do this.``-`-`.`--- . Proper Way to Hold a Micrometer Figure 7. If this is not the case.STD-AWS HOT-ENGL 1987 W 07842b5 051440b 3T7 m thimble.`. Testing the Exactness of a 1 Inch Micrometer s-7 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``.. then the instrument must be adjusted as explained below. allowing for more repeatable results. the first operation involves checking to make certain that the micrometer is "zeroed. can be used to tighten the micrometer on the be measured.`.. Figure 6.. the micrometer can be tightened the same amount for each measurement. as shown in Figure 7. hold the micrometer a s shown in Figure 6 . and turn the friction stop until the spindle and anvil are in contact.`. object to Since the friction stop always slips at a particu- l a r pressure. Since the micrometer found in the test kit is an adjustable type. the " O " on the thimble should be aligned with the " 0 " mark on the barrel. With the micrometer closed.

Then move the thimble until the I I O " marks on both the barrel and the spindle are aligned as shown in Figure 7 .``-`-`. that represents a distance between the spindle and anvil of 0.001") Additional turning in the same direction will move the S-8 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale . If the thimble is turned so that the first mark on the thimble is aligned with the I I O " on the barrel. it is necessary to understand how to read dimensions on the micrometer. The marks on the thimble represent 0.00IH One Thousandth of an Inch (0. in order to determine the size of some object. I Figure 8. The hex wrench can then be used to tighten the thimble in this position.`. However. By turning the thimble in the direction shown in Figure 8.STD*AWS HOT-ENGL A987 0784265 0514407 233 To begin this adjustment. loosen the setscrew located near the friction stop end of the thimble.`.001 inch each.. --``.. The micrometer is now ready to be used for measuring..`.001 inch.`--- 0. as shown in Figure 8. while holding the spindle stationary. The thimble should then be loosened and the initial step repeated to make certain that the instrument is now properly calibrated. the spindle moves away from the anvil.

This represents a dimension of 0. which is shown in Figure 9. as depicted in Figure 10. etc. Five Thousandths of an Inch (O..OOS1') Note that one complete turn of the thimble is 0. Twenty-five Thousandths of an Inch \3.`.100.200.025") Every fourth line on the barrel is a little longer than the others and is stamped 1..`. Figure 11 shows the position of the s-9 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale .. the thimble moves over one more mark on the barrel.025 inch on the barrel. etc.``-`-`. which stands for 0. 0. 2 . --``. i Figure O. Figure 9. For each complete revolu- tion of the thimble.300 inch. 0 2 5 inch. 0. 3 .005 inch.`.~~ STD-AWS HOT-ENGL 1987 0781i2b5 0514408 17T thimble so that the " 0 " mark on the barrel is aligned with the thimble mark identified by the number " 5 " .. 025 " .`--- This means that each mark on the barrel is 0 .

5 0 --``.`--- I"' - O 7 20 0.`. 1 0 0 inch).gned with " 0 " line on the barrel (increments of 0.`. and the graduation on the thimble ali.300 inch.100") To find out how much the micrometer is opened (the distance between the anvil and the spindle) the marks on the barrel may be read like any ordinary rule.025").562 s-10 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale .``-`-`. 2.100. add So.. dimension of 0.200" + 0. 3 .100 inch.025" + 0.. etc.250 inch ( o r 0. the end of the thimble is aligned on the barrel and the " O " ilO" with the number " 2 " aligned with the on the thimble is This represents a line on the barrel.200 inch.`. the reading shown is 0. mean 0. Figure 12 illustrates four different dimensions indicated on a micrometer. the measured the thousandths that show on the thimble.100" A i Figure 11. remembering that the numbers 1.~ STD-AWS HOT-ENGL 1987 07842b5 05Lr1404 006 W thimble f o r a setting of 0. One Hundred Thousandths of an Inch (0. Figure 1 2 ( C ) represents the dimension 0.001 inch). To this number.025 inch). etc.. 2 0 0 . the smaller graduation on the barrel (increments of 0. 0. 0 . In Figure 12(A).. In Figure 1 2 ( B ) . dimension of some object is arrived at by closing the spindle and anvil around the object and adding the following indications on the micrometer: the number on the barrel (increments of 0 .

`.050" + 0.`--- I I I u O . 7 0 0 " 0.`. 562" .500" + 0.STD-AWS HOT-ENGL 1987 = 0784265 0514410 828 inch ( o r 0.075 + I 0. in F i g u r e 12(D). + 0..012").. Reading a Micrometer Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``. the measurement is shown to be 0.``-`-`.012+").200" 1 4 (0) c ..787% inch (or 0 . 7 ~ I " Figure 12.`. Finally.

inside jaws.. caliper include: The various parts of the dial main beam (with 10 mm increments).Measuring With the Metric Dial Caliper A closeup of the metric dial caliper included in the toolkit is shown in Figure 13.`. thumb wheel (for moving slider). Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``.`. Figure 14 depicts how the caliper s-12 Not for Resale .``-`-`. and depth indicator. ticular style can be used to measure dimensions as large as 150 mm in increments of 0. Closeup of Metric Dial Caliper This instrument can be used for measuring either inside or outside dimensions of objects. In addition. outside jaws.. slider.`. dimensions such as This par- depths or heights of steps can also be determined. dial (with 0..1 mm increments).1 mm.`--- Figure 13. bezel (movable rim of dial used for zeroing).

This is a c - complished by moving the slider until the outside jaws are completely closed. in- side. Figure 14. Depending on the type of dimension desired (outside. While holding the slider in this position. At a given slider position. the dimen- sions indicated by the outside jaws... depth or step height) the dial caliper will be positioned as shown in Figure 14.`--- . Positioning Dial Caliper for Various Measurements As with the micrometer.``-`-`. it is now ready for use. inside jaws.STD-AWS HOT-ENGL 1987 0784265 0534432 bTO W is positioned to measure various types of dimensions. Once the instrument is properly zeroed.`. and depth in- s-13 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``. the first step toward using the dial caliper is to determine if it is properly zeroed. move the bezel until the dial indicator needle is centered over the "O" mark on the dial.`.`..

the to- tal dimension is equal to 10 mm (from main beam) plus 7. This allows for the measurement of objects to an accuracy of 0.85 mm. indication will be added these two indicators. this is the dimension. for this example. The dimension of the object can then be Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``. The total dimension of the object is the sum of The beam indicator will point to graduaTo that.. the main beam indicator is positioned between the 10 and 2 0 graduations.`. regardless of whether the measurement is an outside.05 =17.85 mm (from dial indicator) for a total of 17. Figure 15 shows a slider position and the corresponding dimension measurement.`. S-14 Not for Resale .dicator are identical. As shown.``-`-`. or a step height. I \ fi 19+7.85mn Figure 15.`--- determined by observing the positions of the main beam and dial indicators. a depth. The dial indicator then points to the exact number of millimeters to be added to the 10 mm indication of the main beam. So.`. tions which are 10 mm apart.. Reading a D i a l Caliper Looking at this Figure. the dial indication.. an inside.1 mm.

it is positioned between the eye and the object being viewed to produce a magnified image..``-`-`.. As far as the use of the reading glass. 2 Inch Diameter Reading Glass The primary purpose of this instrument is to magnify objects so they can be more accurately analyzed. Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``.. S-15 Not for Resale .`. The combined use of the reading glass with one of the measuring instruments will allow for the most accurate determination of the porosity size.`. An example of its use for the examination might be in the measurement of porosity occurring in the fillet weld. which is shown in Figure 16. or magnifier.`.~ STDmAWS HOT-ENGL 1987 W 07842b5 0514414 473 I Using the Reading Glass The next tool in the kit is the 2 inch diameter reading glass.`--- Figure 16.

With this in mind. Before discussing the application of these gages.. Figure 17. S-16 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``. AWS defines the size of a fillet weld as being the size of the largest right isosceles triangle which can be totally contained within the cross section of the fillet weld. it is appropriate to briefly mention what is meant by fillet weld size.`.`.``-`-`.. convex or concave. Fibre Metal Template Fillet Weld Gages This set of gages permits the accurate measurement of fillet welds from 1/8 to 1 inch.`--- Not for Resale .Measuring Fillet Weld Size With the Fibre Metal Template Gages The Fibre Metal template fillet weld gages are sold in a set as shown in Figure 17.`. regardless of whether the contour of the fillet weld is flat..

`. In Figure 18. It is --``. In the case of the concave fillet weld.`--- noted that there are two different shapes of cutouts present.. The other shape noted (shown on the top of this gage) consists of two circular cutouts (or arcs) on either side of a flat surface. Figure 18. weld gages have been designed to facilitate the measurement of either of these dimensions.`. one of these template gages is shown. the throat Consequently. its size is determined by the leg dimension. One shape (shown on the bottom of this gage) is a single approximately circular cutout (or arc).``-`-`.. depending on which part of the gage is used.`. Typical Fibre Metal Template Gage S-17 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale .. these fillet dimension is the limiting factor. For the convex fillet weld.it becomes apparent that the part of the fillet weld limiting the size of this theoretical triangle is different depending on whether the weld is convex (humped up) or concave (dished in).

. Similarly.``-`-`. If the weld appears to be convex. This weld is then considered to be the size indicated on the gage if the flat reference surface touches S-18 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale . the size of a concave fillet weld is found by positioning the proper portion of the gage against the two base metal reference surfaces. Their typical application is shown in Figure 19. tion of the gage is used for determining the size of a concave fillet weld. the single arc Similarly.`.The different cutout shapes are to be applied to different --``.`.`.. CONCAVE WELDS Typical Application of Fibre Metal Gages The convex fillet weld size is determined by placing the proper portion of the gage against the two base metal surfaces.`--- weld contours. the double arc por- portion of the gage is applied. The weld is considered to be the size specified on the gage if the top corner of the gage touches the weld face or the weld toe when positioned as shown in Figure 19 (bottom left illustration).. wio WaO CONVEX WELDS Figure 19.

`. provided the sizes etched on the gage surfaces are the same. even t h o u g h t h e p a r t of the fillet weld being measured varies depending on whether it is convex or concave.`. MMsuring Concave Fillets --``..`. WRONG Thisgage indicates lillet s i e is greater than 5/16'' this is incorrect I . Using the Fibre Metal Type Fillet Weld Gages s-19 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale ..``-`-`. WRONG Not 5 / 1 6 ' RIGHT 114" isosules right triangle u n be inscribed within m l d crot(.sxtion DO not use gage for conwx lilletson concave lillets concaw There Are 2 T y p s of Gages 2. belore it touches vertical plate B o t t o m leg IS larger than vertical leg The important thing IS to 1 check w i t h b o t h piges dnd 2 Check b o t h l e p wilh lhe convex qdw Figure 20.the weld face when the gage is held in the position shown in Figure 19 (bottom right illustration). Mooruring Conwx Fillets RIGHT Medsure the smaller 01 two legs tor a true mdimion ot Iiilet sue Measuring Fillets When Shop Ir N o t Apparent Check with b o t h type gages to determine true Y&?. So.) Eithcr type wge can be und. To measure M~ruiing 45" Flat Fillets With Equol legs (Idwl Fillet Shop.Gage lor concaw fillets touches bonorn leg. Figure 20 illustrates the proper application of these types of gages for several different conditions..I A - RIGHT Correct sile 5/16" WRONG not 3/8" Do not use pi* l o r concave t ~ ~ l eon ts conven lilleis RIGHT 5/16" ltllet 51 16'' i~>sceles riyfit triangle Cdn be inscribed i*irhin weld cro% rPction convex In this example .. the actual sizes of the welds will be iden- tical.`--- Fillet size is difficult i o measure without gages.

So. For example. it would then be considered to be a 5/16 inch fillet weld. If the weld appears to be less than 1/32 inch larger than the 1/4 inch gage.`--- s-20 Not for Resale ~ Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS . the inspector will have to make a judgment as to w h i c h gage comes closest to actual weld size.`.-~ STD-AWS HOT-ENGL 1967 07842b5 0514417 T55 It is noted in these examples that multiple applications of the gage may be necessary in order to properly measure a f i l l e t weld... Since these gages are supplied in 1/16 inch increments. the in- spector must make a decision as to which of the two gages comes closest to the actual weld size. but the weld appeared larger than 1/4 inch but less than the 5/16 inch.``-`-`. it would be classified as a 1/4 inch weld.`. In this example. we'll assume that t w o separate gages (1/4 and 5 / 1 6 inch) were applied. let's consiüer the measurement of a convex fillet weld. if the measurement showed that the weld size was less than 1 / 3 2 inch smaller than the 5 / 1 6 inch gage.. fillet weld sizes can be determined only to the closest 1 / 3 2 inch. In this case.`. However. --``.

STDmAWS HOT-ENGL 1987 Using the Palmgren Weld Gage 07842b5 0514420 The final tool to be discussed here is the Palmgren weld gage. including: reinforcement. il8 inch root opening. While a number of different dimensions can be determined with this gage..`. because the specimens are not large s-21 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``. This gage is not really suited for measuring the fillet welds on the examination. This gage can be utilized to weld measure a number of different weld dimensions.`...`--- Figure 21. and 5/16 inch root opening. convex fillet weld s i z e .`.``-`-`. maximum convexity. concave fillet weld size. It is pictured in Figure 21. o n l y that part of the gage designed to measure the amount of weld reinforcement will be needed for the hands-on test. Palmgren Weld Gage .

the base (the edge where the root opening spacers are attached) of the gage is positioned such that the t w o legs are on either side of the weld reinforcement. Measuring Weld Reinforcement s-22 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``..`. the gage is positioned as shown in Figure 22. reinforcement present can then be read directly from the scale labelled "butt weld reinforcement .. ' I Figure 22. positioned. To utilize this gage for measuring the height of weld rei.STD-AWS HOT-ENGL L987 07842b5 051442L 603 W enough to properly position the gage.`.``-`-`.`--- . Once the slider is then moved until it is in contact with The amount of weld the highest point of the weld reinforcement. There.nforcement present on a groove weld.`..

References Oswald..`.`--- S-23 Not for Resale Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS . Inc..`. Metal Work Technoloqy and Practice (McKnight and McKnight Publishing Company. Illinois.. . each individual is urged to practice with each of these tools prior to the day of the test. Sales literature accompanying fillet weld template gages Palmgren Steel Company.`. Only then will it be possible to most efficiently apply these tools during the brief test period.STDmAWS HOT-ENGL 3987 W 078Y2b5 0534422 5LiT Summary This section is intended to provide an individual preparing for the AWS CWI Examination with information about what to expect during the closed-book "Practical Hands-On" portion of the test.``-`-`.. Ludwig A . It's primary purpose is to explain the use of the various tools in the test kit. Sales literature accompanying adjustable micrometer and dial caliper Fibre Metal Products Company. Since it is difficult to fully understand how to use some instrument simply from some written explanation. Bloomington. pages 4 8 and 49 General Hardware Manufacturing Company. Sales literature accompanying weld gage --``. 1962) "Stick Electrode Welding Guide" (Lincoln).

`.`.`.`--- Not for Resale .``-`-`...STDeAWS HOT-ENGL 3987 078Y2b5 0534423 48b W QUIZ Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``..

678 in. b. c. the above A micrometer is being used to measure the width of a rectangular tensile specimen.~ STDSAWS HOT-ENGL 1787 m 07842b5 0514424 312 m PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT s-1 What is the size of the item being measured with the machinist's ruler shown in the sketch below? a. What is its dimension if the dial caliper appears as shown below? a.0 mm 18. in. 18. none of the above The dial caliper is being used to measure the thickness of the rectangular tensile specimen in the question above. s-2 1-23/32 1-23/64 1-21/64 1-21/32 none of in. in. s-3 0. 0. d. d. e.`. 0. c.568 in. e. b..87 mm 187.90 mm 10.`.762 in. 0.70 mm none of the above --``. What is its dimension if the micrometer appears as shown below? a. c. b.``-`-`..`.`--- Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale . in. d. e.658 in..

77 mm mm mm mm mm s-5 Using a conversion factor provided on the back page.. c.. d.778 0. 22.800 psi 56.736 in. e. d. d.890 psi 82.555 in2 and 358.35 19.966 0.`--- Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale . e.738 in2 and 476.STD-AWS HOT-ENGL I1987 W 0784Zb5 0534425 259 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT.85 none of the above mm2 mm2 mm2 mm2 If the tensile specimen above failed at a load of 51. d. Page 2 s-4 Using a conversion factor provided on the back page. c. in.`.06 0.29 0. b. 91.``-`-`. c.13 0. what is the equivalent dimension in U. in.15 18.777 in2 and 501.400 psi 37. S . e.561 in2 and 361. What is the calculated area of the tensile bar measured above? a. S-6 0.887 0.`. s-7 0. b. customary units for the thickness shown in question S-3 above? ' a. what is the ultimate tensile strength of this metal? a. b. in. what is the equivalent dimension in SI units for the width shown in question S-2 above? a.550 pounds.`. e.936 0.69 19. b. in.. c.76 20.000 psi none of the above --``.

This weld is not acceptable because it is too small.. what would be the size of this weld. d. c. none of the above --``.`.`. What can be said about the measurement being made in the sketch? rl a. From this sketch.. This weld is acceptable.~ ~~ S T D D A W S HOT-ENGL 1787 07842b5 051442b 175 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT. c.``-`-`. e. d. because the wrong gage is being used.`. Unable to accurately determine if the weld is of proper size. Page 3 S-8 A fillet weld gage is being used to measure the size of the fillet weld shown below. b.. a. b. s-9 5/16 inch 1/4 inch less than 1/4 inch cannot properly measure this weld with the gage shown none of the above The fillet weld shown below is being measured to determine if it satisfies the drawing requirement of 3 / 8 inch. e. This weld is not acceptable because it is too large.`--- Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale .

b.`--- Conversion Factors . Page 4 s-10 The groove weld shown below is required to have a maximum weld reinforcement of 1/32 inch. none of the above To Convert From in. d. This weld is unacceptable. The weld is acceptable. as far as the amount of permissible weld reinforcement. what would you say about this weld? a.. 3.937 x Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``. c. because there is too much weld reinforcement..STD-AUS HOT-ENGL 1987 II 07842b5 0534427 021 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT.`.4 mm in. because the requirement only applies to face reinforcement and the root reinforcement is being measured. mm To Multiply By 25.``-`-`.. e. Judging from the measurement shown in the sketch. The weld is unacceptable. because there is not enough weld reinforcement.`.`. The weld is unacceptable.

.``-`-`..`.`--- ANSWERS Not for Resale .`.STD-AUS HOT-ENGL 1987 m 07842b5 0534428 Tb8 m Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``.`..

..`.`--- .STD-AWS HOT-ENGL 1787 = 0784265 0534427 ï T 4 m Page 5 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT.`..``-`-`. Answer Sheet for Hands-on Toolkit Quiz s-1 s-2 d C s-3 d C S-4 S-5 e S-6 s-7 d a b d d S-8 s-9 s-10 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale --``.`.