Page 1 of 53
MAE 1351 FINAL EXAM ACTUAL EXAM TESTBANK
ALL QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR
MAE 1351 – FINAL EXAM (2026–2027)
Multiple Choice Questions with Rationales
1. In CAD modeling, what term refers to the digital definition of a single manufactured item?
A. Assembly
B. Feature
C. Part ✅
D. Instance
Rationale: A part represents a single physical component before it is combined with others in
an assembly.
2. When the same component is used multiple times in an assembly, each copy is called a(n):
A. Duplicate
B. Subassembly
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C. Instance ✅
D. Feature
Rationale: An instance is a reference to the original component geometry, not a separate copy.
3. What is the primary advantage of using instances instead of duplicating geometry?
A. Improved aesthetics
B. Reduced file size and faster updates ✅
C. Increased DOFs
D. Better mesh quality
Rationale: Instances share geometry, reducing storage requirements and ensuring all copies
update together.
4. A group of components that performs a single function within a larger assembly is known
as a:
A. Feature tree
B. Configuration
C. Subassembly ✅
D. Sketch
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Rationale: Subassemblies simplify complex designs by grouping related components.
5. The organizational structure that defines how parts and subassemblies relate is called the:
A. Mesh
B. Coordinate system
C. Hierarchy ✅
D. Constraint map
Rationale: Hierarchy describes parent-child relationships in an assembly.
6. What is the first component typically fixed in an assembly?
A. Last inserted part
B. Largest component
C. Base component ✅
D. Subassembly
Rationale: Fixing the base component prevents unintended movement of the entire assembly.
7. Which mate forces two faces to lie on the same plane?
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A. Parallel
B. Distance
C. Coincident ✅
D. Tangent
Rationale: Coincident mates remove separation and align faces exactly.
8. A concentric mate primarily removes which DOF?
A. Rotation
B. Axial translation
C. Radial translation ✅
D. Angular motion
Rationale: Concentric mates align axes but usually allow rotation.
9. A free rigid body in 3D space has how many degrees of freedom?
A. 3
B. 4
C. 5
D. 6 ✅
4
MAE 1351 FINAL EXAM ACTUAL EXAM TESTBANK
ALL QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR
MAE 1351 – FINAL EXAM (2026–2027)
Multiple Choice Questions with Rationales
1. In CAD modeling, what term refers to the digital definition of a single manufactured item?
A. Assembly
B. Feature
C. Part ✅
D. Instance
Rationale: A part represents a single physical component before it is combined with others in
an assembly.
2. When the same component is used multiple times in an assembly, each copy is called a(n):
A. Duplicate
B. Subassembly
1
, Page 2 of 53
C. Instance ✅
D. Feature
Rationale: An instance is a reference to the original component geometry, not a separate copy.
3. What is the primary advantage of using instances instead of duplicating geometry?
A. Improved aesthetics
B. Reduced file size and faster updates ✅
C. Increased DOFs
D. Better mesh quality
Rationale: Instances share geometry, reducing storage requirements and ensuring all copies
update together.
4. A group of components that performs a single function within a larger assembly is known
as a:
A. Feature tree
B. Configuration
C. Subassembly ✅
D. Sketch
2
, Page 3 of 53
Rationale: Subassemblies simplify complex designs by grouping related components.
5. The organizational structure that defines how parts and subassemblies relate is called the:
A. Mesh
B. Coordinate system
C. Hierarchy ✅
D. Constraint map
Rationale: Hierarchy describes parent-child relationships in an assembly.
6. What is the first component typically fixed in an assembly?
A. Last inserted part
B. Largest component
C. Base component ✅
D. Subassembly
Rationale: Fixing the base component prevents unintended movement of the entire assembly.
7. Which mate forces two faces to lie on the same plane?
3
, Page 4 of 53
A. Parallel
B. Distance
C. Coincident ✅
D. Tangent
Rationale: Coincident mates remove separation and align faces exactly.
8. A concentric mate primarily removes which DOF?
A. Rotation
B. Axial translation
C. Radial translation ✅
D. Angular motion
Rationale: Concentric mates align axes but usually allow rotation.
9. A free rigid body in 3D space has how many degrees of freedom?
A. 3
B. 4
C. 5
D. 6 ✅
4
