Dr. A.P.J. Abdul Kalam University BE IV SEM (ME) Machine Drawing & CAD [ME226T] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Fourth Semester Main Examination, June-2021

Machine Drawing & CAD [ME226T]

Branch-ME

Time: 3:00 Hrs Max Marks 70

Note: Attempt any five questions. All questions carry equal marks.

Q.1 (a) What are software and hardware required to produce CAD drawing.

 Explain any one in each.

 (b) Difference between CAD, CAM & CIM?

Q.2. Explain following commands

(a)Line and polyline (b) Circle (c) Hatching (d) Text (e) Dimensioning

Q.3 (a) How we can analysis the CAD design.

(b) Draw any five conventional representations of machines components.

Q.4 (a) How a square thread is drawn in schematic from?

(b) What is purpose of shaft? Draw and discuss various types of shaft.

Q.5 (a) What is CAD? With example.

(b) Write Advantage and disadvantages of CAD?

Q.6 (a) What are the facilities that are useful for creating geometric entities in

drafting system?

(b) What are various construction facilities available for modelling in a

3D modelling system?

Q.7 (a) Draw any five convectional representations of machines components.

(b) Draw a sectional front view and top view double riveted Butt Joint

chain riveting to join plates of thickness 15 mm.

Q.8 (a) Discuss two methods normally followed while dimensionally a

drawing.

(b) Sketch the following welding symbol along with respective

illustration.

(i) Single V-Butt weld (ii) Fillet weld

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