ENG 203/213 CBT Practice For FUOYE Students

Table of Contents

📘 ENG 203 PRACTICE TEST – IMPORTANT INSTRUCTIONS

Take your time to read the instructions carefully before starting this test.

📝 Test Details

Total Questions: 40

Time Allowed: 15 minutes

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159

ENG 203/213

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1. The trace of a line is the point where the line meets a:

A. Plane of projection

B. Reference line

C. Centerline

D. Diagonal axis

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2. The process of converting multiple surface patches into a closed solid is called:

A. Lofting

B. Booleaning

C. Drafting

D. Knitting or stitching

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3. Component footprints in a library define

A. Thermal properties

B. Simulation parameters

C. Symbolic representation only

D. Physical size and pad layout on the PCB

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4. What is the primary role of the "Mesh" in Finite Element Analysis (FEA)?

A. To act as a parent for all geometric constraints

B. To break a complex 3D object into thousands of small, simple elements for calculation

C. To define the final color and texture of the part

D. To increase the physical size of the model

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5. A netlist in ECAD represents:

A. Simulation results

B. The physical arrangement of components

C. Manufacturing instructions

D. All electrical connections between components

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6. A solid model allows which analysis directly?

A. Texture mapping

B. Volumes and mass analysis

C. Random animation validation

D. Sound wave analysis

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7. In first-angle projection, the top view is drawn ______ the front view.

A. Above

B. At the right

C. At the left

D. Below

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8. Which projection method is typically used in engineering drawings?

A. Planometric projection

B. Free-hand sketching

C. First-angle or third-angle projection

D. To display color-coded features

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9. Which of the following is NOT a benefit of component-based design?

A. Improved configuration control

B. Increased model dependency

C. Parallel work by multiple designers

D. Faster design changes

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10. Auxiliary views are mainly introduced to eliminate:

A. Projections

B. Visibility

C. Hidden lines

D. Distortion

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11. The true length of a line inclined to both HP and VP is obtained from the:

A. Front view

B. Right-side view

C. Auxiliary view

D. Top view

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12. A ball-and-socket joint in CAD is modeled using a:

A. Concentric mate

B. Spherical joint

C. Planar mate

D. Prismatic joint

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13. A true shape of a triangular face on a 3D object requires projecting the face on a plane ______ to the face.

A. Parallel

B. Inclined

C. Perpendicular

D. Rotated

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14. Component-based design primarily emphasizes:

A. Modular creation of individual components

B. Removing constraints from assemblies

C. Designing all parts as one model

D. Using only surface models

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15. CNC stands for ______.

A. Central Network Controller

B. Computer Numerical Control

C. Computer Network Code

D. Control Numeric Computer

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16. Which of the following best describes a solid model?

A. A model with interior volume and mass properties

B. A model consisting of hollow shells only

C. A model used only for animations

D. A model that defines only the outer skin of an object

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17. Which operation creates a hollow cavity inside a solid?

A. Extrude cut

B. Fillet

C. Shell

D. Loft

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18. Which of the following is a key output of a Simulation (FEA) as opposed to Parametric Modeling?

A. 3D Geometry

B. Stress/Strain maps and Factor of Safety

C. History tree of instructions

D. Technical Drawings

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19. Slicing converts a 3D model into ______.

A. Vectors

B. Toolpaths

C. Layers

D. Images

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20. When the top view of a line is a point, the line must be:

A. Inclined to both planes

B. Parallel to HP

C. Perpendicular to HP

D. Parallel to VP

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21. The angle between a line and its projection on HP is the line’s angle of:

A. Plan angle

B. Elevation

C. True rotation

D. Depression

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22. In a "parent-child" relationship, what happens to the "child" feature if the "parent" dimensions are changed?

A. The parent feature reverts to its original size

B. The child feature is automatically deleted

C. The child feature automatically shifts to maintain its relative position

D. The child feature remains static and causes a model error

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23. Additive manufacturing is commonly known as ______.

A. 3D printing

B. Casting

C. Injection molding

D. CNC machining

24 / 40

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24. The shortest distance between two skew lines is always:

A. On VP

B. On HP

C. Parallel to one line

D. Perpendicular to both lines

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25. Which optimization strategy involves identifying "dead zones" of zero stress to reduce a part's weight?

A. Topology Optimization/Lightweighting

B. Stress Concentration Analysis

C. Parametric Filleting

D. Manual Drafting

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26. PCB thermal management includes:

A. Increasing file size

B. Using thermal vias and copper pours

C. Changing schematic hierarchy

D. Reducing component symbols

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27. ECAD stands for:

A. Engineering CAD

B. Electrical Computer-Aided Design

C. Electronics Computer-Aided Design

D. Electronic Circuit Analysis Design

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28. Designing for Manufacturing (DFM) focuses on designing products to ______ the manufacturing process.

A. Simplify and optimize

B. Complicate

C. Eliminate

D. Ignore

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29. A line shows its maximum foreshortening when it is inclined to:

A. No plane

B. One principal plane

C. Profile plane only

D. Both principal planes

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30. Surface models are commonly used in which industry?

A. Book printing

B. Civil law

C. Automotive design

D. Mining

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31. The final CNC output is usually a ______ file.

A. STL

B. DOCX

C. PDF

D. G-code

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Category:

32. Interference detection in assemblies helps to:

A. Identify collisions between parts

B. Spherical

C. Improve color accuracy

D. Resize windows

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33. What is the fundamental difference between parametric modeling and traditional "direct modeling"?

A. Parametric modeling requires more manual moving of edges

B. Parametric modeling is a rules-based approach driven by a history tree

C. Direct modeling uses mathematical constraints while parametric does not

D. Direct modeling is used only for 2D drawings

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34. A point that lies below HP and in front of VP is in the ______ quadrant

A. Second

B. Fourth

C. First

D. Third

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35. Hidden lines are used to represent:

A. Centre axes

B. Text alignment

C. Features not visible in the current view

D. Sectioned surfaces

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36. To provide a single 3D illustration

A. To provide a single 3D illustration

B. To display color-coded features

C. To replace sectional views

D. To display color-coded features

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37. DRC (Design Rule Check) ensures:

A. Compliance with electrical and manufacturing rules

B. Correct component colors

C. BOM accuracy only

D. Simulation speed

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38. Component-based design primarily emphasizes:

A. Designing all parts as one model

B. Removing constraints from assemblies

C. Modular creation of individual components

D. Using only surface models

39 / 40

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39. Which projection method is typically used in engineering drawings?

A. Free-hand sketching

B. Planometric projection

C. Oblique projection

D. First-angle or third-angle projection

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40. Exploded views are primarily used for:

A. Surface continuity studies

B. Assembly/disassembly communication

C. Color rendering

D. Animation only

Your score is

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ENG 203/213 CBT Practice For FUOYE Students

📘 ENG 203 PRACTICE TEST – IMPORTANT INSTRUCTIONS

📝 Test Details

💡 Student Opportunity Hub

💡 Student Opportunity Hub

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