Board outline and dimensions in PCB Design - Practice Problems & Coding Challenges

Challenge - 5 Problems

🧠 Conceptual

intermediate

Understanding Board Outline Purpose

What is the primary purpose of defining a board outline in PCB design?

A To define the electrical connections between components

B To specify the physical shape and size of the PCB

C To set the color scheme for the PCB layers

D To list the components to be placed on the PCB

💡 Hint

Think about what the board outline physically represents.

The board outline defines the physical shape and size of the PCB, which is essential for manufacturing and fitting the board into its enclosure.

❓ dax_lod_result

intermediate

Calculating Board Area from Dimensions

Given a PCB with a rectangular board outline of width 100 mm and height 50 mm, what is the total board area in square millimeters?

A 500

B 150

C 5000

D 200

💡 Hint

Area of a rectangle = width × height.

Multiplying 100 mm by 50 mm gives 5000 mm² as the board area.

❓ visualization

advanced

Visualizing Board Outline with Cutouts

You have a PCB board outline with a rectangular shape 120 mm by 80 mm and two circular cutouts of 10 mm diameter each. Which visualization best represents this board outline?

A A rectangle 120x80 mm with two circles inside representing cutouts

B A rectangle 120x80 mm with no cutouts shown

C Two circles only with no rectangle

D A rectangle 80x120 mm with two circles outside the rectangle

💡 Hint

Cutouts are holes inside the board outline.

The correct visualization shows the main rectangular board with two circular holes inside it representing cutouts.

❓ data_modeling

advanced

Modeling Board Outline Dimensions in BI

In a BI tool, you want to model PCB board outlines with variable shapes and dimensions. Which data model structure best supports multiple board shapes and their dimensions?

A A table with columns: BoardID, ShapeType, Dimension1, Dimension2, Dimension3

B A single column table listing only board names

C Separate tables for each shape type without common keys

D A table with only BoardID and no dimension details

💡 Hint

Think about how to store different shapes and their dimensions in one table.

Using a table with shape type and multiple dimension columns allows flexible modeling of various board outlines.

🔧 Formula Fix

expert

Debugging Dimension Calculation Error

A BI report calculates board area using the formula: Area = Width + Height. What is the error in this calculation?

A The formula is missing a division by 2

B The formula uses multiplication instead of addition

C The formula incorrectly uses height twice

D The formula adds width and height instead of multiplying them

💡 Hint

Recall how to calculate the area of a rectangle.

Area of a rectangle is width multiplied by height, not added.