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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

4 6 multiple choice questions) and Part C: Code/Standard (Open-book. include: Presently. --``. cludes plastic replicas of welds and destructive test specimens. the format of the AWS Certified Welding Inspector Examination was altered by the Qualification and Certification Committee.`. 150 multiple choice questions).USE OF MEASURING TOOLS FOR THE AWS CWI HANDS-ON EXAMINATION .``-`-`.. The major change occurring in the examination format is the fact that the Practical portion is now referred to as the "HandsOn" test. there will be questions referring to the pictures appearing in the illuminated viewer. 46 multiple choice questions). The code provided consists of only a few pages and is generally arranged in the same manner as AWS D1. Part B: Practical Hands-on (Closed-book. for a total of 6 hours. the three sections of the test Part A : Fundamentals (Closed-book.`.l. each kit in- tributed to each person.`.`--- Two ( 2 ) hours will be allowed for each separate section of the examination.. Also included with this examination is a sample code to which you must refer in order to answer some of the questions.. toolkits will be disIn addition to the tools. In addition. In this part of the examination. 1987. plus an illuminated slide viewer containing several pictures. In order to answer the questions on the examination. As of July. 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 . each person must demonstrate their ability to utilize the tools to measure various aspects of the plastic replicas provided. However.

the kit also includes an illuminated slide viewer containing pictures showing the equipment for several different nondestructive test methods.hex wrench provided) . O784265 0514401 a15 H During this part of the examination.001 inch graduations (adjustable ..`. have to refer to this sample code to determine if the result of that measurement is acceptable in accordance with these code requirements.50 dioptre) . you will be asked to Then you may measure certain aspects of the plastic replicas..`. weld in a butt joint.6 inch machinist's rule (or scale) in 1/32 and 1/64 inch graduations - O to 1 inch micrometer in 0.`--- 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 . Other pic- tures shown in the viewer illustrate weld radiographs containing various types of weld discontinuities.. the kit contains plastic replicas of welds and destructive test specimens.1 mm graduations 2 inch diameter reading glass (6.~ S T D o A W S HOT-ENGL 1987 D1. the list below in- cludes all of the tools contained in the kit: . single These replicas include: and multiple a groove pass fillet welds on --``.``-`-`. In addition to these tools.150 mm metric dial caliper in 0. The purpose of this discussion is to familiarize those individuals taking the examination with the tools and their proper usage.`.Set of Fibre Metal template fillet weld gages (1/8 to 1 inch fillet weld sizes) .1. Before describing their operation.Palmgren weld gage Figure 1 is a picture showing all of the tools found in a typical toolkit for the examination. Finally.

. either during the test or in normal day-to-day inspection activities.`.or lap joint. and a series of four face or root bends showing their convex surfaces after bending.. it's appropriate to describe how each particular instrument will be used by the inspector. a single pass fillet weld on a T-joint with porosity located in segments identified on the sample.. a rectangular tensile specimen.`--- . 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 --``.`. Now that all of the components of the kit have been identified.- STD=AWS HOT-ENGL 1787 078Y2b5 051YY02 751 W Figure 1.`.``-`-`. Tools Found in the Examination T o o l k i t different sides of a T.

``-`-`.. Figure 2 shows a closeup of the type in- Figure 2. other (bottom) side.`.`. measuring device included in the toolkit is the 6 inch machinist's rule.`--- 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 ..`. 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. and the smaller numbers indicate the appropriate number of 1/32 --``. sometimes referred to as a scale.. cluded in the kit. and probably the most common.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.

The the thimble. is an instrument that measures in thousandths of an inch (1/1000 inch). there is friction stop.. or "mike" for short. and the anvil. A micrometer. These items are shown in Figure 4 .. In Figure 5. spindle.. the also On this particular model. a friction stop.~ ~ ~ STD=AWS HOT-ENGL 1787 0784265 0514404 524 W or 1/64 inch increments.`. the barrel. 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 significance of these graduations is depicted in Figure 3. 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. including the frame. depending which side of the rule is being used. Figure 3.`. the various parts of the micrometer are identified.`. so there is an accompanying hex wrench.``-`-`.`--- . The type found in the test kit is adjustable.

``-`-`. Parts of a Micrometer S-6 Not for Resale . Adjustable Micrometer with Hex Wrench FR I CTI ON STOP \ LOCK NUT 5PIN ANVI / ..___ 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 --``.`--- Figure 4.`.F R A M E Figure 5..`..`.

. object to Since the friction stop always slips at a particu- l a r pressure. and turn the friction stop until the spindle and anvil are in contact. the micrometer can be tightened the same amount for each measurement." To do this. If this is not the case. With the micrometer closed. allowing for more repeatable results. hold the micrometer a s shown in Figure 6 . the first operation involves checking to make certain that the micrometer is "zeroed.`. then the instrument must be adjusted as explained below.`.`. 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 --``..``-`-`..STD-AWS HOT-ENGL 1987 W 07842b5 051440b 3T7 m thimble. Figure 6.`--- . Proper Way to Hold a Micrometer Figure 7. as shown in Figure 7. Since the micrometer found in the test kit is an adjustable type. can be used to tighten the micrometer on the be measured. the " O " on the thimble should be aligned with the " 0 " mark on the barrel.

The hex wrench can then be used to tighten the thimble in this position.`.001 inch. it is necessary to understand how to read dimensions on the micrometer.`--- 0.. that represents a distance between the spindle and anvil of 0. as shown in Figure 8. in order to determine the size of some object. The thimble should then be loosened and the initial step repeated to make certain that the instrument is now properly calibrated. The marks on the thimble represent 0. By turning the thimble in the direction shown in Figure 8.. I Figure 8. The micrometer is now ready to be used for measuring. loosen the setscrew located near the friction stop end of the thimble.001 inch each.`.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 .`. Then move the thimble until the I I O " marks on both the barrel and the spindle are aligned as shown in Figure 7 . --``..STD*AWS HOT-ENGL A987 0784265 0514407 233 To begin this adjustment.``-`-`. while holding the spindle stationary. If the thimble is turned so that the first mark on the thimble is aligned with the I I O " on the barrel. However.00IH One Thousandth of an Inch (0. the spindle moves away from the anvil.

etc.100. This represents a dimension of 0. 2 .300 inch. For each complete revolu- tion of the thimble. 0.``-`-`.~~ 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 " . 0. Five Thousandths of an Inch (O.`--- This means that each mark on the barrel is 0 .`.025 inch on the barrel. which is shown in Figure 9.. as depicted in Figure 10.`.. Figure 9.025") 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 .005 inch. --``. i Figure O. etc.`.. which stands for 0. 025 " . 0 2 5 inch. 3 .OOS1') Note that one complete turn of the thimble is 0. Twenty-five Thousandths of an Inch \3.. the thimble moves over one more mark on the barrel.200.

and the graduation on the thimble ali.. 0 . add So. the reading shown is 0. 2 0 0 . etc.025" + 0. Figure 12 illustrates four different dimensions indicated on a micrometer. 0. In Figure 12(A).`. remembering that the numbers 1. 3 .250 inch ( o r 0.025 inch).200 inch.. 2.~ STD-AWS HOT-ENGL 1987 07842b5 05Lr1404 006 W thimble f o r a setting of 0. One Hundred Thousandths of an Inch (0.562 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 .gned with " 0 " line on the barrel (increments of 0. mean 0.100 inch.`.`. etc. 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 .100" A i Figure 11. In Figure 1 2 ( B ) . 1 0 0 inch).`--- I"' - O 7 20 0. the smaller graduation on the barrel (increments of 0.025").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.300 inch.001 inch). To this number.100. 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. 5 0 --``. Figure 1 2 ( C ) represents the dimension 0..``-`-`. dimension of 0.200" + 0. the measured the thousandths that show on the thimble..

STD-AWS HOT-ENGL 1987 = 0784265 0514410 828 inch ( o r 0..``-`-`. + 0.500" + 0.`. the measurement is shown to be 0.050" + 0.`--- I I I u O . 7 ~ I " Figure 12.200" 1 4 (0) c .787% inch (or 0 .`.`. 562" .. in F i g u r e 12(D)..075 + I 0.012"). Finally. 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 --``. 7 0 0 " 0.012+").

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

``-`-`. Figure 14. At a given slider position.`. it is now ready for use. the first step toward using the dial caliper is to determine if it is properly zeroed. the dimen- sions indicated by the outside jaws. Positioning Dial Caliper for Various Measurements As with the micrometer.. Once the instrument is properly zeroed. While holding the slider in this position. depth or step height) the dial caliper will be positioned as shown in Figure 14. This is a c - complished by moving the slider until the outside jaws are completely closed. move the bezel until the dial indicator needle is centered over the "O" mark on the dial. in- side.`.`.. inside jaws.`--- .STD-AWS HOT-ENGL 1987 0784265 0534432 bTO W is positioned to measure various types of dimensions. 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 --``. Depending on the type of dimension desired (outside..

85 mm.`. or a step height.dicator are identical. As shown. an inside. This allows for the measurement of objects to an accuracy of 0.``-`-`. the main beam indicator is positioned between the 10 and 2 0 graduations. Reading a D i a l Caliper Looking at this Figure.. I \ fi 19+7. 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 dial indicator then points to the exact number of millimeters to be added to the 10 mm indication of the main beam.. tions which are 10 mm apart. this is the dimension.. S-14 Not for Resale . for this example. regardless of whether the measurement is an outside. a depth.`. indication will be added these two indicators. the dial indication.1 mm. Figure 15 shows a slider position and the corresponding dimension measurement. the to- tal dimension is equal to 10 mm (from main beam) plus 7. The total dimension of the object is the sum of The beam indicator will point to graduaTo that.85 mm (from dial indicator) for a total of 17.85mn Figure 15.`.`--- determined by observing the positions of the main beam and dial indicators. So.05 =17.

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.``-`-`.`.`. or magnifier.`.. it is positioned between the eye and the object being viewed to produce a magnified image...`--- Figure 16. 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 . An example of its use for the examination might be in the measurement of porosity occurring in the fillet weld.~ 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. which is shown in Figure 16. The combined use of the reading glass with one of the measuring instruments will allow for the most accurate determination of the porosity size.

. With this in mind. regardless of whether the contour of the fillet weld is flat.`--- Not for Resale . Fibre Metal Template Fillet Weld Gages This set of gages permits the accurate measurement of fillet welds from 1/8 to 1 inch. Figure 17.`.``-`-`. it is appropriate to briefly mention what is meant by fillet weld size.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..`. Before discussing the application of these gages.. 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. S-16 Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS --``. convex or concave.`.

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 . In the case of the concave fillet weld. depending on which part of the gage is used. It is --``.`--- noted that there are two different shapes of cutouts present. weld gages have been designed to facilitate the measurement of either of these dimensions. one of these template gages is shown. 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. the throat Consequently..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). Figure 18.`.`. its size is determined by the leg dimension.. these fillet dimension is the limiting factor.`. One shape (shown on the bottom of this gage) is a single approximately circular cutout (or arc).. In Figure 18. For the convex fillet weld.``-`-`.

.`--- weld contours. tion of the gage is used for determining the size of a concave fillet weld.. If the weld appears to be convex.`. the double arc por- portion of the gage is applied. 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 single arc Similarly. 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. Their typical application is shown in Figure 19. the size of a concave fillet weld is found by positioning the proper portion of the gage against the two base metal reference surfaces.The different cutout shapes are to be applied to different --``. 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. Similarly.`.`.

``-`-`.the weld face when the gage is held in the position shown in Figure 19 (bottom right illustration)...`--- Fillet size is difficult i o measure without gages. WRONG Thisgage indicates lillet s i e is greater than 5/16'' this is incorrect I . 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&?. MMsuring Concave Fillets --``.Gage lor concaw fillets touches bonorn leg.sxtion DO not use gage for conwx lilletson concave lillets concaw There Are 2 T y p s of Gages 2. So.`.) Eithcr type wge can be und.. To measure M~ruiing 45" Flat Fillets With Equol legs (Idwl Fillet Shop. Figure 20 illustrates the proper application of these types of gages for several different conditions.`.`. 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. 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 . the actual sizes of the welds will be iden- tical. 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. WRONG Not 5 / 1 6 ' RIGHT 114" isosules right triangle u n be inscribed within m l d crot(.. provided the sizes etched on the gage surfaces are the same.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 .

--``..`--- 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 . However. fillet weld sizes can be determined only to the closest 1 / 3 2 inch.`. if the measurement showed that the weld size was less than 1 / 3 2 inch smaller than the 5 / 1 6 inch gage.``-`-`. If the weld appears to be less than 1/32 inch larger than the 1/4 inch gage..`. So. we'll assume that t w o separate gages (1/4 and 5 / 1 6 inch) were applied..-~ 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. In this case. In this example. it would be classified as a 1/4 inch weld. the in- spector must make a decision as to which of the two gages comes closest to the actual weld size. the inspector will have to make a judgment as to w h i c h gage comes closest to actual weld size. let's consiüer the measurement of a convex fillet weld.`. For example. Since these gages are supplied in 1/16 inch increments. it would then be considered to be a 5/16 inch fillet weld. but the weld appeared larger than 1/4 inch but less than the 5/16 inch.

`. This gage can be utilized to weld measure a number of different weld dimensions.``-`-`..`--- Figure 21.. Palmgren Weld Gage . including: reinforcement. It is pictured in Figure 21.`.. convex fillet weld s i z e . 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. concave fillet weld size.`. This gage is not really suited for measuring the fillet welds on the examination. 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 --``. and 5/16 inch root opening. il8 inch root opening.STDmAWS HOT-ENGL 1987 Using the Palmgren Weld Gage 07842b5 0514420 The final tool to be discussed here is the Palmgren weld gage. maximum convexity.

``-`-`. positioned.nforcement present on a groove weld. the gage is positioned as shown in Figure 22.STD-AWS HOT-ENGL L987 07842b5 051442L 603 W enough to properly position the gage.. There.`--- . 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. reinforcement present can then be read directly from the scale labelled "butt weld reinforcement . To utilize this gage for measuring the height of weld rei... ' I Figure 22.`. 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 --``.`. Once the slider is then moved until it is in contact with The amount of weld the highest point of the weld reinforcement.`.

Bloomington. Sales literature accompanying fillet weld template gages Palmgren Steel Company.`.. Illinois. References Oswald. Since it is difficult to fully understand how to use some instrument simply from some written explanation.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. It's primary purpose is to explain the use of the various tools in the test kit. pages 4 8 and 49 General Hardware Manufacturing Company.`. Only then will it be possible to most efficiently apply these tools during the brief test period. Ludwig A .``-`-`..`. 1962) "Stick Electrode Welding Guide" (Lincoln).`--- 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 .. .. Sales literature accompanying weld gage --``. Metal Work Technoloqy and Practice (McKnight and McKnight Publishing Company. Inc. each individual is urged to practice with each of these tools prior to the day of the test. Sales literature accompanying adjustable micrometer and dial caliper Fibre Metal Products Company.

.``-`-`.`.`.`--- 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 --``..`.

658 in.70 mm none of the above --``. What is its dimension if the micrometer appears as shown below? a.`.`. d.. in.87 mm 187. b.568 in. e.90 mm 10. b.678 in. c. none of the above The dial caliper is being used to measure the thickness of the rectangular tensile specimen in the question above. 18.~ 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. 0.. b. s-2 1-23/32 1-23/64 1-21/64 1-21/32 none of in.``-`-`.. d. 0. 0. d.762 in.`. in.0 mm 18. the above A micrometer is being used to measure the width of a rectangular tensile specimen. c. s-3 0. What is its dimension if the dial caliper appears as shown below? a. e.`--- Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale . e. in. c.

06 0.738 in2 and 476. b. customary units for the thickness shown in question S-3 above? ' a. S-6 0.35 19. what is the ultimate tensile strength of this metal? a. d. d.`--- Copyright American Welding Society Provided by IHS under license with AWS No reproduction or networking permitted without license from IHS Not for Resale ..85 none of the above mm2 mm2 mm2 mm2 If the tensile specimen above failed at a load of 51. c..76 20.29 0.736 in..800 psi 56. s-7 0. e. in.887 0. e. c.000 psi none of the above --``. d. What is the calculated area of the tensile bar measured above? a. e.`.777 in2 and 501. b.13 0.15 18.966 0.`.77 mm mm mm mm mm s-5 Using a conversion factor provided on the back page. e.550 pounds. b. Page 2 s-4 Using a conversion factor provided on the back page. d.400 psi 37.890 psi 82. c. in.69 19. b.`. 22.``-`-`. in. c. 91.555 in2 and 358.936 0.STD-AWS HOT-ENGL I1987 W 0784Zb5 0534425 259 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT. what is the equivalent dimension in SI units for the width shown in question S-2 above? a. in.561 in2 and 361.778 0. S . what is the equivalent dimension in U.

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

. d. what would you say about this weld? a.4 mm in. e. b. because there is not enough weld reinforcement. mm To Multiply By 25.STD-AUS HOT-ENGL 1987 II 07842b5 0534427 021 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT.`. The weld is acceptable. none of the above To Convert From in. because the requirement only applies to face reinforcement and the root reinforcement is being measured.``-`-`. The weld is unacceptable..`. This weld is unacceptable. as far as the amount of permissible weld reinforcement. The weld is unacceptable..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 --``.`--- Conversion Factors . because there is too much weld reinforcement. c. Judging from the measurement shown in the sketch. Page 4 s-10 The groove weld shown below is required to have a maximum weld reinforcement of 1/32 inch. 3.`.

..`--- 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 --``.``-`-`.`..`.

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 --``.`.STD-AWS HOT-ENGL 1787 = 0784265 0534427 ï T 4 m Page 5 PRACTICE QUIZ FOR USE OF CWI HANDS-ON TOOLKIT.``-`-`....`.`--- .`.