CDT Study Guide 2026

Everything you need to pass the CDT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

📋 CDT Exam Format at a Glance

100
Questions
120 min
Time Limit
70%
Passing Score

📚 CDT Topics to Study (21)

✍️ Sample CDT Questions & Answers

1. What is the first step in the risk management process?
Identify potential risks through systematic analysis

Systematic risk identification is the foundational first step, as risks cannot be managed or mitigated until they are identified and understood.

2. Which GD&T symbol is used to control the straightness of a surface or axis?
Straightness

Straightness is the GD&T symbol that controls how straight a surface line element or axis must be.

3. Which view in a mechanical assembly drawing shows internal features by imagining a cutting plane through the part?
Section view

A section view reveals internal features by showing a cross-section of the part as if it were cut by an imaginary plane.

4. What is the standard US paper size used for large-format engineering drawings?
D-size (22 × 34 in)

D-size (22 × 34 inches) is a standard ANSI large-format engineering drawing sheet commonly used for detailed structural and mechanical drawings.

5. What is a common feature of CAD software used in drafting?
Tools for 2D and 3D modeling, dimensioning, and layer management.

A common feature of CAD software is its comprehensive suite of tools for 2D and 3D modeling, dimensioning, and layer management. These capabilities enable designers to create detailed two-dimensional drawings and complex three-dimensional models. Dimensioning tools ensure precise sizing, while layer management helps organize different components and information within a drawing for clarity and control.

6. Why is financial forecasting important for strategic planning?
It projects future financial conditions to guide resource allocation decisions

Financial forecasting projects future conditions based on trends and assumptions, guiding strategic resource allocation and preparation for anticipated challenges.

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CDT Study Guide 2026 — Exam Format, Topics & Practice Questions