Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech III CADCAM Previous Question Paper (January/February - 2023 - R18)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
List three main CAD graphic terminals.
Answer
The three main CAD graphic terminals are: 1) Refresh display terminals, 2) Storage tube terminals (Direct View Storage Tubes), and 3) Raster scan terminals.
Differentiate wire frame and wireframe entity.
Answer
A wireframe is the complete collection of lines, points, and curves that represent the edges and boundaries of a 3D object in a computer model. A wireframe entity refers to the individual geometric elements (such as a single line, arc, circle, or spline) that constitute the overall wireframe model.
What is a surface patch in surface modeling?
Answer
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What is spatial enumerator?
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What are the two types of DNC system configurations?
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What are the disadvantages of NC systems?
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What is product layout in GT?
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What are mach inability data systems in CAPP?
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What is automated off line inspection?
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What are the two basic functions of material handling systems?
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Part B
What are the various phases of the design process?
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What are the main functions of CAD workstation?
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Derive the parametric equation for Bezier curve.
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What are the characteristics of Bezier curve?
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How a ruled surface is generated?
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Explain the characteristic features of Bezier surface.
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What are the features of constructive solid geometry? Explain.
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Explain the boundary representation scheme to create solid model of physical objects.
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How computer assisted part programming is prepared?
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What are the two types of controller design other than machine tool control?
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What are the components of DNC?
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Explain the generative type of computer aided process planning.
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What is production flow analysis?
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What aspects are considered in capacity requirements planning?
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What are the benefits of FMS.
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Explain any two non-contact inspection computer aided quality control method.
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What are the basic layouts of flexible manufacturing systems?
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What are the features of coordinate measuring machine?
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