AutoCAD Quiz: Plot Styles
10 questions · exam conditions
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Plot StylesQuestion 1 of 10

A drawing uses named plot styles. The WALLS layer is assigned a named style called Heavy Black. Most wall objects have their Plot style property set to ByLayer, but one wall object is assigned a different named style called Light Gray directly.

What output should be expected when the drawing is plotted with its STB table?

Every wall will use Heavy Black because an STB style assigned to a layer cannot be overridden by an object.
The overridden wall will use Light Gray, while the remaining ByLayer walls will use Heavy Black.
Every wall will use Light Gray because a direct STB assignment changes the style of the entire layer.
The wall colors alone will select the styles, so either style may be used depending on each wall's color.
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AutoCAD Quiz

AutoCAD Quiz: Plot Styles

Practice Plot Styles in AutoCAD with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Plot Styles, giving you a quick way to practice the rules, question types, and explanations that matter most for AutoCAD.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A drawing uses named plot styles. The WALLS layer is assigned a named style called Heavy Black. Most wall objects have their Plot style property set to ByLayer, but one wall object is assigned a different named style called Light Gray directly.

What output should be expected when the drawing is plotted with its STB table?

  1. Every wall will use Heavy Black because an STB style assigned to a layer cannot be overridden by an object.
  2. The overridden wall will use Light Gray, while the remaining ByLayer walls will use Heavy Black. (correct answer)
  3. Every wall will use Light Gray because a direct STB assignment changes the style of the entire layer.
  4. The wall colors alone will select the styles, so either style may be used depending on each wall's color.
Explanation: When working with named plot styles (STB files) in AutoCAD, the key concept to understand is the hierarchy of style assignment: styles can be applied at the layer level or directly at the object level, and object-level assignments take priority over layer-level ones. In an STB-based drawing, each layer can be assigned a named plot style, which all objects on that layer inherit by default through the ByLayer setting. However, any individual object can have its Plot Style property overridden with a specific named style, and that override wins at plot time. This is exactly what happens in the scenario described — the WALLS layer carries Heavy Black, so every wall using ByLayer inherits that style. The one wall explicitly assigned Light Gray ignores the layer setting and plots with Light Gray instead. That makes B the correct answer. A is wrong because it describes STB layer assignments as unoverridable, which is the opposite of how AutoCAD's property inheritance works. Object-level properties always override ByLayer defaults. C inverts the logic entirely — a direct assignment on a single object affects only that object, not the entire layer or all objects on it. D describes how CTB (color-dependent plot style) tables work, where a color determines the style. In an STB drawing, styles are assigned by name — color plays no role in selecting the plot style. As a study tip, always distinguish CTB from STB on the exam: CTB ties styles to object color, STB ties styles to named assignments at the layer or object level, with object-level settings taking precedence.

Question 2

A layout is assigned monochrome.ctb, and the plot preview still shows colored output. The objects use standard indexed colors, and the correct layout and page setup are active.

Which setting should be checked first to determine why monochrome.ctb is not controlling the output?

  1. Verify that Plot with plot styles is enabled in the active page setup or Plot dialog. (correct answer)
  2. Verify that Display plot styles is enabled, because it must be on for the CTB to affect plotted output.
  3. Verify that every object has its Plot style property set to Normal rather than ByLayer.
  4. Verify that monochrome.ctb has been converted to an STB before it is assigned to the layout.
Explanation: Whenever you see a question about plot styles not applying correctly in AutoCAD, think about the pipeline: a CTB file must not only be assigned to a layout — it must also be activated through a specific plot setting before it can control output. The critical switch is the Plot with plot styles checkbox, found in the Plot dialog or Page Setup Manager under the Plot Options section. Even if monochrome.ctb is correctly assigned to the layout, AutoCAD will ignore the style table entirely if this option is unchecked — the drawing will plot using the objects' true display colors instead. That's exactly the symptom described: colored output despite a monochrome CTB assignment. Checking and enabling this setting, answer A, is the correct first diagnostic step. Answer B is a common trap. Display plot styles is a visual toggle that shows style effects on screen in Model or Layout view — it has no effect on what actually gets sent to the plotter or printer. Confusing screen preview behavior with plot behavior is a frequent mistake. Answer C misunderstands how CTB files work. CTBs are color-based — they apply styles according to an object's indexed color, not its Plot Style property. The "Plot style set to Normal" concern applies to STB (named plot style) workflows, not CTB workflows. Answer D is backwards. CTB and STB are two separate, incompatible systems. You don't convert a CTB to an STB to make it work — doing so would fundamentally change how styles are assigned. Your study tip: always remember the two-step CTB rule — assigned and activated. Assignment without activation produces no effect.

Question 3

A layout is configured to use a CTB file, and Plot with plot styles is enabled. On screen, the layout still displays the drawing's original colors rather than the CTB's black and screened output. Printed output is already correct.

Which change addresses the on-screen layout display without changing the plotted result?

  1. Enable Display plot styles for that layout's page setup. (correct answer)
  2. Disable Plot with plot styles for that layout's page setup.
  3. Change every layer color to match the final plotted color.
  4. Convert the CTB table to an STB and reassign every layer.
Explanation: When working with plot styles in AutoCAD, it helps to understand that the CTB file controls two separate things: what gets printed and what gets displayed on screen — and these are governed by two different settings in Page Setup Manager. The Plot with plot styles checkbox tells AutoCAD to apply the CTB's rules (like mapping colors to black or adjusting lineweights) when sending output to a printer. Enabling it alone does not force the layout viewport to visually preview those style translations on screen. That's the job of a second, independent setting: Display plot styles. When you enable this for a given layout, AutoCAD renders the on-screen layout to reflect what the CTB will produce — so you see black lines and screened output instead of the original layer colors. Since the passage confirms printed output is already correct, only the screen preview needs adjustment, making A the right answer. B is a trap — disabling Plot with plot styles would break the already-correct printed output, the opposite of what you want. C misunderstands the problem: manually recoloring every layer to match plotted output is a destructive workaround that defeats the purpose of using a CTB entirely and would make the drawing difficult to edit later. D is a significant and unnecessary overhaul — converting from CTB (color-dependent) to STB (named plot styles) and reassigning every layer has no bearing on the on-screen display issue and is far beyond the scope of the problem. A useful rule of thumb: Plot with plot styles = controls the printer; Display plot styles = controls the screen preview. If one works but not the other, check which setting governs which output destination.

Question 4

Two layers use the same AutoCAD Color Index, and both are processed by the same CTB entry. That entry explicitly assigns a 0.35 mm plotted lineweight. One layer must instead plot at 0.18 mm, but the drawing must remain CTB-based.

Which change most reliably allows the two layers to plot with different CTB-controlled lineweights?

  1. Assign the second layer a named STB style while leaving the drawing in color-dependent mode.
  2. Give the second layer a different name and retain the same indexed color and CTB assignment.
  3. Assign the second layer a different indexed color and configure that color's CTB entry as 0.18 mm. (correct answer)
  4. Set the second layer's object lineweight to 0.18 mm while retaining the CTB's explicit 0.35 mm setting.
Explanation: When working with CTB (color-dependent plot style) files, the fundamental rule is this: the color index number on a layer is the lookup key into the CTB table. Every layer sharing the same ACI (AutoCAD Color Index) color will be processed by the exact same CTB entry — meaning they receive identical plot settings, including lineweight. To give two layers different CTB-controlled lineweights, they must point to different CTB entries, which requires different ACI colors. That's exactly why C is correct. By assigning the second layer a different indexed color (say, changing it from ACI 3 to ACI 4), you create a separate CTB entry for that color and configure it independently at 0.18 mm. The first layer retains its original color and its 0.35 mm CTB entry. Both layers remain fully under CTB control — the requirement is satisfied cleanly. Choice A fails immediately because STB (style-based) plot styles cannot be mixed with CTB mode in the same drawing. You cannot assign named styles while the drawing is in color-dependent mode — AutoCAD enforces one system at a time. Choice B is a trap: changing the layer name has absolutely no effect on CTB behavior. The CTB only cares about the layer's color number, so two differently named layers with the same ACI still hit the same CTB entry and plot identically. Choice D is the most tempting distractor — the layer's object lineweight property and the CTB's assigned lineweight are separate settings, but the CTB's explicit lineweight overrides the object lineweight at plot time, so this change produces no visible difference. Remember the core rule: in CTB mode, color = identity. If you need differentiated plot behavior, differentiate the color.

Question 5

A drawing plots correctly on one workstation using a custom file named office-output.ctb. On another workstation, the layout reports that the plot style table is missing. The page setup still references office-output.ctb by name.

What is the most appropriate way to restore consistent output on the second workstation?

  1. Copy office-output.ctb into the same folder as the DWG file, since AutoCAD's primary search location is always the drawing's own folder.
  2. Embed office-output.ctb into the drawing as an external reference and reload it on the second workstation before each plot.
  3. Rename any available STB file to office-output.ctb so the page setup can locate a file with the expected name.
  4. Place office-output.ctb in a folder listed in the Plot Style Table Search Path so the existing page setup reference resolves correctly. (correct answer)
Explanation: When AutoCAD encounters a page setup that references a plot style table (CTB or STB file), it searches specific configured directories to locate that file — it does not automatically find it just because the DWG is nearby. This question tests whether you understand how AutoCAD resolves plot style table paths across different workstations. The reliable fix is D: place office-output.ctb in a folder that appears in AutoCAD's Plot Style Table Search Path, which you configure under Options → Files. When AutoCAD plots, it looks through every folder in that search path. If the file exists there, the page setup reference resolves correctly and output is consistent — no changes to the drawing file required. A is a common misconception. AutoCAD does not default to searching the drawing's own folder for plot style tables. The search path is explicit and configured separately, so dropping the CTB next to the DWG accomplishes nothing. B describes an impossible workflow. Plot style tables are not external references (XREFs). You cannot attach or embed a CTB file as an XREF — that mechanism is reserved for DWG, image, and similar file types. This answer describes a feature that simply doesn't exist. C is dangerously wrong. Renaming a different STB file to match the expected CTB name produces a file type mismatch. CTB (color-dependent) and STB (named plot styles) are structurally different formats, and substituting one for the other will cause incorrect or unpredictable plot output. As a study tip, remember that plot style issues on a new workstation almost always trace back to the search path — check Options → Files before touching the drawing itself.

Question 6

A company wants to change an existing CTB-based drawing to named plot styles while preserving equivalent output settings from its current office.ctb file.

Which workflow most directly supports that goal?

  1. Rename office.ctb to office.stb, and then select the renamed file in each layout's page setup.
  2. Run CONVERTPSTYLES first, and then change PSTYLEMODE manually so the original CTB remains assigned.
  3. Use CONVERTCTB to create an STB from office.ctb, and then use CONVERTPSTYLES on the drawing. (correct answer)
  4. Copy office.ctb into the drawing folder, and then assign named styles to layers without converting the drawing.
Explanation: When converting a CTB-based drawing to named plot styles (STB), you need to understand that two separate conversions must happen: one for the file and one for the drawing. These are distinct operations that must occur in the correct sequence. The right approach — answer C — uses two dedicated AutoCAD commands in order. First, CONVERTCTB reads your existing office.ctb file and generates a matching office.stb, preserving all the pen assignments, lineweights, and color mappings your office relies on. Then, CONVERTPSTYLES switches the drawing itself from CTB mode to STB mode and links it to the new STB file. This two-step sequence ensures both the style definitions and the drawing's internal mode are properly updated. Answer A is a common trap: simply renaming a .ctb file to .stb doesn't convert its internal structure. CTB and STB files have fundamentally different formats — one maps styles to colors, the other assigns styles as named objects. AutoCAD won't read a renamed CTB as a valid STB. Answer B gets the order backwards. CONVERTPSTYLES should run after you have a working STB file, not before. Manually toggling PSTYLEMODE without a proper STB in place leaves your drawing in an inconsistent state and doesn't migrate your existing settings. Answer D skips the conversion entirely. Copying the CTB file to the drawing folder and manually assigning named styles to layers ignores your existing office settings and forces you to rebuild everything from scratch — exactly what the question says you want to avoid. Remember the sequence: CONVERTCTB first, then CONVERTPSTYLES — file conversion before drawing conversion.

Question 7

A drawing contains two layouts that use the same model geometry. The Permit layout must plot all indexed colors in black, while the Presentation layout must preserve colored output. The layer and object properties should remain unchanged.

Which setup best meets these requirements?

  1. Change the model's layer colors before each plot, while retaining the same CTB in both page setups.
  2. Assign monochrome.ctb to the drawing once, and disable Display plot styles on the Presentation layout.
  3. Use one monochrome CTB for both layouts, and turn off Plot object lineweights for the Presentation layout.
  4. Assign monochrome.ctb to the Permit layout and an appropriate color CTB to the Presentation layout. (correct answer)
Explanation: When working with multiple layouts in AutoCAD, the key concept being tested here is plot style tables (CTBs) and how they are assigned per layout through Page Setup. Each layout has its own Page Setup, which means each layout can reference a different CTB — giving you independent control over how colors plot without touching the actual layer or object properties. This is exactly why D is correct. By assigning monochrome.ctb to the Permit layout's Page Setup, all indexed colors are forced to plot black. By assigning a color CTB (such as acad.ctb) to the Presentation layout, colors are preserved as-is. Neither layout requires changes to layers or objects — the plot style table handles the translation at output time only. A is wrong because manually changing layer colors before each plot is destructive and error-prone — it modifies the actual drawing properties rather than controlling output through plot styles, which directly violates the requirement to leave properties unchanged. B is wrong because "Display plot styles" is a visual preview toggle, not a plotting control. Disabling it doesn't prevent monochrome.ctb from affecting the Presentation layout's output — you'd still be plotting both layouts through the same monochrome table. C is wrong for a similar reason: using one monochrome CTB for both layouts forces both to plot in black. Turning off lineweights doesn't restore color output — it only affects line thickness, not color rendering. Study tip: Remember that CTBs are assigned per layout via Page Setup — this is your primary tool for controlling output differences between layouts without altering any drawing content.

Question 8

A drawing uses a color-dependent plot style table. In the selected CTB file, AutoCAD Color Index 1 is configured to plot black with a lineweight of 0.50 mm. One object receives Color 1 through its layer, while another object on a different layer has Color 1 assigned directly as an object override.

Assuming Plot with plot styles is enabled, how will the two objects plot?

  1. Both will use the black, 0.50 mm settings defined for Color 1 in the CTB file. (correct answer)
  2. Only the ByLayer object will use the CTB settings; the overridden object will retain its object properties.
  3. Only the overridden object will use the CTB settings; the ByLayer object will retain its layer properties.
  4. Each will use the plot settings of its layer because CTB files do not process object color overrides.
Explanation: When working with color-dependent plot style tables (CTB files), the key concept to understand is what drives the plot style lookup. In a CTB workflow, AutoCAD maps plot settings to ACI color numbers — not to objects or layers individually. Whatever color number an object displays, that color number is the key used to look up the CTB settings at plot time. This means both objects in the scenario — one inheriting Color 1 through its layer, and one with Color 1 set as a direct object override — display ACI Color 1 when the drawing renders. When AutoCAD processes the CTB file, it simply asks: "What color number is this object showing?" Both answer "1," so both receive the same treatment: black ink at 0.50 mm. Answer A is correct. Answer B is wrong because it implies CTB files treat inherited color differently from overridden color. They don't — the table only "sees" the resolved color number, regardless of how the object arrived at it. Answer C makes the opposite mistake, favoring the overridden object while ignoring the layer-based one, which reflects the same misunderstanding. Answer D introduces a false limitation — CTB files absolutely process object-level color overrides; the file has no awareness of how a color was assigned, only which color it is. A useful study tip: always distinguish between color-dependent (CTB) and named (STB) plot styles. CTB files key off the resolved display color, making the source of that color irrelevant — a critical detail that several exam distractors will exploit.

Question 9

An engineer wants utility lines to print more faintly than other lines without changing their drawing colors. The relevant plot style already maps those lines to black, but its Screening value is currently 100.

Which plot-style adjustment best produces the requested result?

  1. Reduce Screening below 100 so the style prints with a lighter apparent intensity. (correct answer)
  2. Enable the Grayscale property in the plot style so the black output is converted to a lighter gray.
  3. Disable Plot with plot styles so the object's original color becomes a lighter black.
  4. Increase the style's lineweight so the same black output covers a larger printed area.
Explanation: When working with plot styles in AutoCAD, the key concept to understand is how Screening controls the apparent ink density of printed output. Screening is a percentage value (0–100) that determines how much ink is applied: 100 means full intensity, while lower values produce progressively lighter, more faded output — all without changing any object colors in the drawing itself. This is exactly the tool the engineer needs. Since the plot style already maps the utility lines to black at full intensity (Screening = 100), reducing that value — say, to 50 — will cause those lines to print at half intensity, appearing visibly lighter than other lines. Answer A correctly identifies this adjustment and is the best solution. Answer B is tempting but wrong. Enabling Grayscale converts colors to gray equivalents, but when the output is already mapped to black, grayscale conversion has no meaningful lightening effect — black remains black. This property is useful for color-to-gray conversion, not for softening already-black output. Answer C misunderstands what disabling plot styles does. Turning off "Plot with plot styles" ignores the plot style entirely and reverts to the object's original drawing color for printing. This doesn't guarantee a lighter appearance and defeats the purpose of using plot styles in the first place. Answer D moves in the wrong direction entirely. Increasing lineweight makes lines thicker and more visually dominant on paper — the opposite of printing faintly. Study tip: Whenever an AutoCAD question asks about controlling print intensity without altering drawing colors, think Screening first. It's the most direct, non-destructive way to fade specific elements in printed output.

Question 10

A polyline has an object lineweight of 0.25 mm. Its assigned named plot style specifies a lineweight of 0.70 mm rather than Use object lineweight. Plot with plot styles and Plot object lineweights are both enabled.

Which lineweight should the polyline use in the plotted output?

  1. 0.25 mm, because an explicit object lineweight always overrides an assigned named plot style.
  2. 0.70 mm, because the named plot style supplies a specific replacement lineweight for output. (correct answer)
  3. 0.95 mm, because AutoCAD combines the object lineweight and plot style lineweight during plotting.
  4. The default lineweight, because conflicting object and named-style lineweights cancel one another.
Explanation: When AutoCAD plots using named plot styles (STB files), the plot style acts as a complete override for output properties — it doesn't blend with or add to the object's own properties. Think of the named plot style as a set of final printing instructions that replace whatever the object "wants" to be. The key question to ask is: does the plot style specify a concrete value, or does it defer back to the object? In this scenario, the named plot style explicitly assigns 0.70 mm rather than "Use object lineweight," which means it is actively substituting its own lineweight for the output. Both "Plot with plot styles" and "Plot object lineweights" are enabled, but when a named plot style provides a specific lineweight, that value wins — the object's 0.25 mm property is bypassed entirely for the plotted result. So B is correct. A reflects a common misconception — that explicit object properties always win. In named plot style workflows, the assigned style can and does override object lineweights when it specifies its own value. C describes a behavior that simply doesn't exist in AutoCAD; lineweights are never added together during plotting. D invents a "cancellation" rule that has no basis in AutoCAD's plot style logic — conflicts don't neutralize; the plot style takes precedence. Study tip: Always check whether a plot style setting says "Use object lineweight" or specifies a hard value. If it specifies a value, that value replaces the object property entirely — nothing is combined, nothing cancels.