192. Extrusion or protrusion cannot be used to create any type of solid. 93. Rev

Question

192. Extrusion or protrusion cannot be used to create any type of solid. 93. Revolution may be considered as circular extrusion. 94. Revolution is used for objects with rounded outer contour like cylinders, cones, and spheres. 95. Revolution is not the best profile transformation choice if a rounded object has complicated internal features- 96. Objects of revolution have at least one line of symmetry. 97. A half-section profile is not needed for revolution transformation 98. An axis of revolution must be created for a revolution transformation. 99. AutoCAD extrusion options include normal (linear), sweep, and loft operations. 100. In a linear or normal extrusion, the profile is swept along a linear path perpendicular to the plane of the profile.

Explanation / Answer

Answer 92- True

2D polylines with crossing segments cannot be extruded.

Answer 93- True

Revolution can be viewed as extrusion in a circular path.

Answer 94- True

Answer 95- False

Answer 96- True

Answer 97- False

Answer 98- True

Answer 99- True

Answer 100- True

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