48510 03 ch03 p3-1-3-44 1. - Cengage · CHAPTER 3 FundamentalsII PROJECT EXERCISE This project exercise provides point-by-point instructions for setting up the drawing with layers

CHAPTER

3

Fundamentals II

PROJECT EXERCISE

This project exercise provides point-by-point instructions for setting up the drawing withlayers and then creating the objects shown in Figure P3–1. In this exercise, you will applythe skills acquired in Chapters 1, 2, and 3.

In this project, you will learn to do the following:

• Set up the drawing, including setting up the layers.

• Use the LINE and RECTANGLE commands with Object Snap modes.

SET UP THE DRAWING AND DRAW A BORDERStep 1: Start the AutoCAD program.

Step 2: To create a new drawing, invoke the NEW command from the Quick Accesstoolbar.

AutoCAD displays the Select Template dialog box. Select acad.dwt as thetemplate file and choose Open. AutoCAD creates a new drawing.

FIGURE P3–1 Completed project drawing

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© 2012 Delmar, Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.

Invoke the UNITS command from the on-screen prompt by typing unitsand press ENTER. AutoCAD displays the Drawing Units dialog box. ChooseDecimal from the Type list box in the Length section and choose OK.

Invoke the LIMITS command from the on-screen prompt by typing limitsand press ENTER. AutoCAD prompts:

Specify lower left corner or 0,0 (ENTER)

Specify upper right corner: 18,12 (ENTER)

Invoke the ZOOM ALL command from the Navigate panel located in the Viewtab to display the drawing limits.

NOTE The step-by-step instructions for all the project exercises and drawing exercises in thismanual are provided with dyn (dynamic) input mode set to ON. Before you start workingon the project and drawing exercises, make sure the DYN button located on the status baris set to ON.

When DYN is set to ON, by default the coordinates for second or next point prompts areconsidered to be Relative unless prefixed with the # symbol. In the instructions, all the abso-lute coordinates are prefixed with # symbol. If you plan to work on the Command windowinstead of in the On-Screen prompt, do not include # prefix for absolute coordinates.

Step 3: Invoke the LAYER command from the Layers panel on the Home tab.AutoCAD displays the Layer Properties Manager dialog box.

Create four layers, rename them as shown in the table, and assign appropri-ate colors and linetypes.

Layer Name Color Linetype Lineweight

Border Cyan Continuous Default

Object Green Continuous Default

Hidden Blue Hidden Default

Const Red Continuous Default

Set Border as the current layer.

Step 4: To draw the border, invoke the RECTANGLE command from the Draw panel.AutoCAD prompts:

Specify first corner point or 0.25,0.25 ((ENTER))

Specify other corner point or #17.75,11.75 ((ENTER))

AutoCAD draws a rectangle border.

DRAW THE OBJECTSStep 1: From the Layer control located in the Layers panel, choose the Layer Control

down-arrow icon to display the layer list box. Select the Object layer as thecurrent layer.

Step 2: Invoke the RECTANGLE command from the Draw panel to draw a rectangle.

AutoCAD prompts:

Specify first corner point or 2,7.5

Specify other corner point or #7.5,9.5

Invoke the RECTANGLE command again from the Draw panel to draw anotherrectangle.


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AutoCAD prompts:

Specify first corner point or 9.5,2

Specify other corner point or #11.5,5.5

Step 3: Invoke the RECTANGLE command again from the Draw panel to draw a rect-angle by invoking appropriate object snaps.

AutoCAD prompts:

Specify first corner point or (invoke the APP Intobject snap, and select line 1 and line 4, as shown inFigure P3–2)

Specify other corner point or (invoke the App IntObject Snap mode, and select line 2 and line 3, as shownin Figure P3–2)

After drawing the rectangle, the drawing should look like Figure P3–3.

Step 4: From the Layer control located in the Layers panel, choose the Layer Controldown-arrow icon to display the layer list box. Select the Const layer as thecurrent layer.

Step 5: Invoke the CIRCLE command Radius, Center method from the Draw paneland draw two circles.

FIGURE P3–2 Identifying the lines to draw a rectangle


Chap t e r 3 • Fundamen t a l s I I 3-3

AutoCAD prompts:

Specify center point for circle or 3.25,4.25 (ENTER)

Specify radius of circle or .5 (ENTER)

Invoke the CIRCLE command Center, Radius method again, AutoCADprompts:

Specify center point for circle or 6.25,3.25 (ENTER)

Specify radius of circle or .5 (ENTER)

Step 6: Invoke the LINE command from the Draw panel and draw series of lines byinvoking appropriate object snaps.

AutoCAD prompts:

Specify first point: (invoke the QUAdrant object snap,and select a point QUA 1, as shown in Figure P3–4)

Specify next point or (invoke the PERpendicularobject snap, and select line 5, as shown in Figure P3–4)

Specify next point or (ENTER)

Invoke the LINE command again, AutoCAD prompts:








FIGURE P3–3 Completed drawing of rectangles


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The drawing should look like Figure P3–5.

FIGURE P3–4 Identifying the points to draw additional lines

FIGURE P3–5 Completed drawing



Step 7: From the Layer control located in the Layers panel, choose the Layer Controldown-arrow icon to display the layer list box. Select the Hidden layer to makeit the current layer.

Step 8: Invoke the LINE command from the Draw panel. Draw a series of lines byinvoking appropriate object snaps.

AutoCAD prompts:

Specify first point: (invoke the INTersection objectsnap, and select point 1, as shown in Figure P3–6)

Specify next point or (invoke the INTersection objectsnap, and select point 2, as shown in Figure P3–6)


Draw three additional lines:

From: To:

Point 3 Point 4

Point 5 Point 6

Point 7 Point 8

Step 9: Invoke the ERASE command from the Modify panel located in the Home tab,and erase line 7, line 8, line 9, and line 10, as shown in Figure P3–7.

The completed drawing should look like Figure P3–8.

FIGURE P3–6 Identifying the points to draw additional lines


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Step 10: From the Layer control located in the Layers panel, choose the Layer Controldown-arrow icon to display the layer list box. Select the Object layer to makeit the current layer.

Step 11: Invoke the LINE command from the Draw panel and draw a series of lines.

AutoCAD prompts:

Specify first point: (invoke the TANgent object snap,and select a point in the upper half of circle 1, as shownin Figure P3–9)

Specify next point or (invoke the TANgent objectsnap, and select a point in the upper half of circle 2, asshown in Figure P3–9)


FIGURE P3–7 Identifying the lines to erase





Specify first point: (invoke the TANgent object snap,and select a point in the lower half of circle 1, as shownin Figure P3–9)

Specify next point or (invoke the TANgent objectsnap, and select a point in the lower half of circle 2, asshown in Figure P3–9)


Step 12: Invoke the ARC command 3-Points method from the Draw panel.

AutoCAD prompts:

Specify start point of arc or (invoke the ENDpointobject snap and select endpoint 1, as shown inFigure P3–10)

Specify second point of arc or (invoke the NEArestobject snap and select a point on circle 1, whereindicated in Figure P3–10)

Specify end point of arc: (invoke the ENDpoint objectsnap and select endpoint 2, as shown in Figure P3–10)

Invoke the ARC command 3-Points method again, AutoCAD prompts:

Specify start point of arc or (invoke the ENDpointobject snap and select endpoint 3, as shown inFigure P3–10)

Specify second point of arc or (invoke the NEArestobject snap and select a point on circle 2, whereindicated in Figure P3–10)

Specify end point of arc: (invoke the ENDpoint objectsnap and select endpoint 4, as shown in Figure P3–10)

FIGURE P3–9 Identifying the object snap points to draw additional lines


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Step 13: From the Layer control located in the Layers panel, choose the Layer Controldown-arrow icon to display the layer list box. Set the Const layer to OFF.

The completed drawing should look like Figure P3–11.

Step 14: Invoke the SAVE command from the Quick Access toolbar to save thecurrent drawing as PROJ3.DWG.

FIGURE P3–10 Identifying the Object Snap points to draw arcs




NOTE Do not draw dimensions, text or hatch patterns. They are shown for information only.

EXERCISE 3–1

Create the drawing shown in Figure Ex3–1 according to the settings given in the followingtable:

Settings Value

1. Units Decimal with two decimal places2. Limits Lower left corner: 0,0

Upper right corner: 18,123. Grid 0.254. Snap 0.255. Layers NAME COLOR LINETYPE

Solid Red ContinuousHidden Blue Hidden

HINT To draw the border, use the RECTANGLE command with diagonally opposite corners atcoordinates 0.25,0.25 and 16.75,11.75.


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FIGURE EX3–1



EXERCISE 3–2


Settings Value



Border Red ContinuousObject Green ContinuousCenter Blue Center

HINT Use the LINE and CIRCLE commands to complete the drawing. Make sure to draw theobjects in the appropriate layers. Do not dimension the drawing.

A good place to start is the center of the three circles. With the radius of 4 units, the centercould be at coordinates 5,5.

FIGURE EX3–2


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EXERCISE 3–3


Settings Value




HINTUse the LINE and CIRCLE commands to complete the drawing. Make sure to draw theobjects in the appropriate layers. Do not dimension the drawing.

A good place to start is the center of the three circles. With the radius of 5.5 units, thecenter could be at coordinates 7,7.

FIGURE EX3–3



EXERCISE 3–4

Create the drawing shown in Figure Ex3–4 according to the settings given in thefollowing table:

Settings Value




HINT Use the LINE, CIRCLE, and ARC commands to complete the drawing. Make sure to drawthe objects in the appropriate layers. Do not dimension the drawing.

A good place to start is the center of the large circle. The large circle is 4.5 units from the bot-tom of the plate and 8.5 units from the left side, so its center could be at coordinates 10,6.

FIGURE EX3–4


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EXERCISE 3–5


Settings Value

1. Units Decimal2. Limits Lower left corner: �2, �2

Upper right corner: 10,73. Grid 1.04. Snap 1.0

HINTDraw a sequence of lines from A (7,1) through B, C, and D, to E (3,4) with the Snap set to 1(or 0.50, 0.25, or 0.125) and set to ON. Using the Snap Rotate option, select point E as thenew origin and point A to designate the rotation angle. Using the Continue option of theLINE command, draw the lines from E through F and G and back to point A. Points F andG can be specified only with the Snap rotated, as explained, and the Snap set to ON.

POINT OF INTEREST

• This exercise seems simple enough. However, it is not too often that two systems ofcoordinates share the same common points like A and E in this exercise. This isbecause E-A is a 5-unit hypotenuse of a right triangle whose base and altitude are 4and 3 units.

FIGURE EX3–5



EXERCISE 3–6

In the following exercise, the outline of the house shown in Figure Ex3–6 will be drawn.Create the drawing according to the settings given in the following table:

Settings Value

1. Units Linear Units set to ArchitecturalAngular Units set to Surveyor’s

2. Limits Lower left corner: �20 0, �10 0

Upper right corner: 124 0,86 0

3. Grid 5 0

4. Snap Set SNAPANG TO 4d45 008 00

HINT To draw the property lines, you can use the steps in the example following the text sectionon the Direct Distance option. Do not draw the text; it is provided for reference only. Afterinvoking the LINE command, begin tracking at TK1 (0,0) (refer to Figure Exb3–6b). TurnOrtho ON and track through point TK2 to TK3/A by forcing the cursor in the right directionand entering the proper distance (35.3 0 with the cursor to the east for TK2, and 7.1 0 with thecursor to the north for TK3/A). Draw the first line, A-B, by forcing the cursor to the northand entering the distance of 16.4 0. Continue the lines around the outline of the house with-out exiting the LINE command. Each line’s length can be entered when the cursor is forcedin the right direction, thus using the Direct Distance option for the end point of each line.

POINT OF INTEREST

• It is important to realize that using the SNAPANG system variable setting to estab-lish a new snap origin and snap angle does not change the X and Y coordinates ofthe points on the screen. Nor does it change input angles. These can be done withthe more complicated UCS command. This means that if you use absolute coordi-nate entry, AutoCAD will use the coordinates based on the origin and angle of rota-tion of the coordinate system in effect before changing the snap origin and/or angleof rotation. Also, relative rectangular or polar coordinate input is based on the un-rotated system of coordinates. For example, if the snap origin and angle werechanged to 4,4 (X,Y coordinates) and 45 degrees, respectively, and you were specify-ing a point relative to a point at the new snap origin as @4,0 or @4<0, the specifiedpoint would be at the X,Y coordinates of 8,4. They would not be 4 units distance at45 degrees from 4,4 as you might expect. A rotated snap grid with a relocated originis for use primarily in conjunction with the Snap and/or Ortho set to ON. Otherwise,SNAPANG system variable setting is not that functional, as you will learn withexperience.


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FIGURE EX3–6A Outline of a house



FIGURE EX3–6B Outline of a house with dimensions


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EXERCISE 3–7

Create the stair plan drawing shown in Figure Ex3–7, according to the settings given inthe following table:

Settings Value

1. Units Architectural2. Limits Lower left corner: 0,0


3. Grid 6 00

4. Snap 3 00

5. Layers NAME COLOR LINETYPEBorder Green ContinuousStair riser Blue Hiddentread White Continuoustext Blue Continuouswall White Continuousdoor Red Continuous

HINTUse the LINE, RECTANGLE, CIRCLE, and ARC commands to complete the drawing. Makesure to draw the objects in the appropriate layers. Do not dimension the drawing.



FIGURE EX3–7 Stair plan


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EXERCISE 3–8

Create the spiral stair design plan drawing shown in Figure Ex3–8, according to thesettings/design dimensions given in the following table:

Settings Value



3. Grid 24. Snap 15. Layers NAME COLOR LINETYPE

Border Green ContinuousHandrail White ContinuousTread White ContinuousText Blue ContinuousLanding White Continuous

HINTUse the LINE, CIRCLE, and ARC commands to complete the drawing. Make sure to drawthe objects in the appropriate layers. Do not dimension the drawing.

FIGURE EX3–8 Spiral stair design plan



EXERCISE 3–9

Create the prefabricated walk-in refrigerator design shown in Figure Ex3–9, according tothe settings/design dimensions given in the following table:

Settings Value


Upper right corner: 220,1803. Grid 104. Snap 55. Layers NAME COLOR LINETYPE

Border Green ContinuousPanels White ContinuousDoor Red ContinuousShelf Blue Continuous

6. Walk-in refrigerator A OUTSIDE WALL PANEL LENGTH 23 00

Design dimensions B INSIDE WALL SHELF 15 00

C INSIDE WALL SHELF 18 00

D DOOR 46 00

E INSIDE WALL SHELF 20 00

F INSIDE WALL THICKNESS 4 00

G OUTSIDE WALL PANEL LENGTH 11.5 00

H OUTSIDE WALL THICKNESS 4 00

I OUTSIDE WALL THICKNESS 4 00

HINT Use the LINE, RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers. Do not dimension the drawing.

FIGURE EX3–9 Walk-in refrigerator design


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EXERCISE 3–10

Create the prefabricated sauna shown in Figure Ex3–10 according to the settings/specifications given in the following table:

Settings Value

1. Units Architectural2. Limits Lower left corner: 0 0,0 0



Border Green ContinuousPanels White ContinuousDoor Red ContinuousBench Blue ContinuousHeater White Continuous

6. Specifications A OUTSIDE WALL PANEL LENGTH 8 0-6 00

B INSIDE WALL LENGTH 7 0-0 00

C DECK WIDTH 22 00

D DECK WIDTH 22 00

E DOOR WIDTH 24 00

F WALL THICKNESS 4 00

G WALL THICKNESS 4 00

H HEATER LENGTH 4 00

I HEATER WIDTH 4 00

J CLEARANCE BETWEEN 2 00

WALL & HEATER

HINTUse the LINE, RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers. Do not dimension the drawing.



FIGURE EX3–10 Sauna plan


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EXERCISE 3–11

Create the bell pier foundation shown in Figure Ex3–11 according to the settings/specifications given in the following table:

Settings Value




Object Green ContinuousDim Blue Hidden

HINTUse the LINE and RECTANGLE commands to complete the drawing. Make sure to draw theobjects in the appropriate layers. Do not dimension the drawing.

FIGURE EX3–11 Bell pier foundation



EXERCISE 3–12

Create the typical concrete beam shown in Figure Ex3–12 according to the settings/specifications given in the following table:

Settings Value



3. Grid4. Snap5. Layers NAME COLOR LINETYPE

Border Red ContinuousObject White ContinuousReinf White Continuous

6. Specifications A 39 00

B 24 00

C 12 00

D 3 00

E 0.75 00

HINT Use the LINE, RECTANGLE, CIRCLE, and ARC commands to complete the drawing. Makesure to draw the objects in the appropriate layers. Do not dimension the drawing.

FIGURE EX3–12 Typical concrete beam with reinforcing


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EXERCISE 3–13

Create the residential driveway as shown in figure according to the settings/specificationsgiven in the following table:

Settings Value



3. Grid 2 0

4. Snap 1 0

5. Layers NAME COLOR LINETYPEBorder White ContinuousCline White CenterRoad Red ContinuousBldgwall Green ContinuousRetwall Blue Continuous

6. Specifications A DRIVEWAY WIDTH 14 0-0 00

B STREET WIDTH 11 0-0 00

C GARAGE DOOR WIDTH 12 0-0 00

D WALL LENGTH 15 0-0 00

E WALL LENGTH 10 0-0 00

G WALL DISTANCE FROM DRIVEWAY 2 0-0 00

R RADIUS 10 0-0 00

HINTUse the LINE, RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers. Do not dimension the drawing.

FIGURE EX3–13 Residential driveway



EXERCISE 3–14

Create the surface drainage diagrammatic layout shown in Figure Ex3–14 according tothe settings/specifications given in the following table:

Settings Value



3. Ltscale 24 0

4. Layers NAME COLOR LINETYPEBorder Green ContinuousCline White CenterRoad Red ContinuousCbasins White ContinuousSsewer Blue PhantomJunction box Green Continuous

5. Specifications A Primary Road 24 0-0 00

B Secondary Road 14 0-0 00

R Radius 112 0-6 00

R1 Radius 10 0-0 00

R2 Radius 12 0-0 00

E WALL LENGTH 10 0-0 00

G WALL DISTANCE FROM DRIVEWAY 2 0-0 00

R RADIUS 10 0-0 00


FIGURE EX3–14 Surface drainage diagrammatic layout


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EXERCISE 3–15

Create the porous paving & stone reservoir detail shown in Figure Ex3–15 according tothe settings/specifications given in the following table:

Settings Value



3. Grid4. Snap5. Layers NAME COLOR LINETYPE

Border White ContinuousConcrete curbs White CenterPaving and setting bed Red ContinuousStone reservoir White ContinuousLetter DimensionA 6 00

B 2 0-6 00

C 6 00

D 1 0-0 00

E 2 0-6 00

F 6 00

G 2 0-6 00

H 4 00

I 2 00

K 4 0-6 00

R1 120º

HINTUse the LINE, RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers. Do not dimension the drawing. Do not drawthe earth poché pattern.



FIGURE EX3–15 A porous paving & stone reservoir detail


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EXERCISE 3–16

Create the uninterruptible power supply schematic diagram shown in Figure Ex3–16according to the settings/specifications given in the following table:

Settings Value

1. Units Decimal2. Limits Lower left corner: 0,0


Border White ContinuousSwitches White ContinuousWiring Red ContinuousBoxes Green Hidden

HINTUse the LINE, RECTANGLE, and CIRCLE commands to complete the drawing. Make sureto draw the objects in the appropriate layers.

FIGURE EX3–16 An uninterruptible power supply diagram



EXERCISE 3–17

Create the building grounding drawing shown in Figure Ex3–17 according to the settings/specifications given in the following table:

Settings Value



3. Grid 1 0

4. Snap 65. Layers NAME COLOR LINETYPE

Border White ContinuousColumn White ContinuousPerimeter wall Red ContinuousUnderground cable Blue Hidden

HINT The columns are 2 0 square on a structural grid of 30 0 square. The perimeter wall is 2 0-6 00

from the center of any typical column. Use the LINE, RECTANGLE, and ARC commands tocomplete the drawing. Make sure to draw the objects in the appropriate layers. Do notdimension the drawing.


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FIGURE EX3–17 Building grounding drawing



EXERCISE 3–18

Create the SCSI ID Post drawing shown in Figure Ex3–18 according to the settings givenin the following table:

Settings Value



Border Green ContinuousID0 Red ContinuousID1 Red ContinuousID2 Red ContinuousID3 Red ContinuousID4 Red ContinuousID5 Red ContinuousID6 Red ContinuousID7 Red ContinuousID8 Red ContinuousID9 Red ContinuousID10 Red ContinuousID11 Red ContinuousID12 Red ContinuousID13 Red ContinuousID14 Red ContinuousID15 Red Continuous

HINT ID0 represents the posts with no jumper pins in use. The requirements of this drawing areto create the posts and then the connector jumper pins on the appropriate layers. Each SCSIID number should correspond to a single layer. You will be required to use more than onejumper pin for the different ID Numbers. The final result of this drawing will be evident byturning on and off the appropriate layers to create the corresponding SCSI ID numbersshowing their jumper assignments. The diagram on the left shows the ID numbers and theircorresponding post assignments.


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FIGURE EX3–18 SCSI ID Post drawing



EXERCISE 3–19

Create the wire diagram showing the pin assignments of an Ethernet cross over cable anda null-modem cable as shown in Figure Ex3–19 according to the settings/specificationsgiven in the following table:

Settings Value


Upper right corner: 42,363. Grid 14. Snap 0.55. Layers NAME COLOR LINETYPE

Border White ContinuousEthernet cable Red ContinuousEthernet cable text Red ContinuousNull-modem cable Blue ContinuousText Blue Continuous

HINT Use the LINE, RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers.


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FIGURE EX3–19 Wire diagram showing the pin assignments of an Ethernet cross over cable anda null-modem cable



EXERCISE 3–20

Create the circuit board of a 25-pin gender changer as shown in Figure Ex3–20 accordingto the settings given in the following table:

Settings Value


Upper right corner: 42,363. Grid 14. Snap 0.55. Layers NAME COLOR LINETYPE

Border White ContinuousBoard White ContinuousPosts Red ContinuousEtch wires Blue Continuous

HINT Use the LINE, RECTANGLE, and CIRCLE commands to complete the drawing. Make sureto draw the objects in the appropriate layers.

FIGURE EX3–20 Circuit board of a 25-pin gender changer


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EXERCISE 3–21

Create the fountain piping schematic with a centrifugal pump as shown in Figure Ex3–21according to the settings given in the following table:

Settings Value



3. Grid 1 0


Border White ContinuousWalls White ContinuousDischarge line Red ContinuousSuction line Blue ContinuousPump & valves Blue Continuous

HINTUse the LINE,RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers.

FIGURE EX3–21 Fountain piping schematic with a centrifugal pump



EXERCISE 3–22

Create the drinking water chiller unit shown in Figure Ex3–22 according to the settingsgiven in the following table:

Settings Value



3. Grid 1 0


Border White ContinuousWalls White ContinuousSupply line Red ContinuousReturn line Blue ContinuousUnit and valves Blue Continuous



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FIGURE EX3–22 Drinking water chiller unit



EXERCISE 3–23

Create the water coil piping diagram shown in Figure Ex3–23 according to the settingsgiven in the following table:

Settings Value



3. Grid 1 0


Border White ContinuousPiping Blue ContinuousUnit and valves Blue Continuous


FIGURE EX3–23 Water coil piping diagram


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EXERCISE 3–24

Create the cooling tower diagram shown in Figure Ex3–24 according to the settingsgiven in the following table:

Settings Value



3. Grid 1 0


Border White ContinuousPiping Blue ContinuousUnit and valves Blue ContinuousAccess door Red Continuous

HINTUse the LINE, RECTANGLE, and ARC commands to complete the drawing. Make sure todraw the objects in the appropriate layers.

FIGURE EX3–24 Cooling tower diagram



EXERCISE 3–25

Create the suspended water heater piping diagram shown in Figure Ex3–25 according tothe settings given in the following table:

Settings Value



3. Grid 1 0


Border White ContinuousPiping Blue ContinuousUnit and valves Blue ContinuousHanger rods Red ContinuousPlatform Yellow Continuous


FIGURE EX3–25 Suspended water heater piping diagram


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Documents

48510 03 ch03 p3-1-3-44 1. - Cengage · CHAPTER 3 FundamentalsII PROJECT EXERCISE This project exercise provides point-by-point instructions for setting up the drawing with layers