CAD/CAM 2018 Question Paper — Government College of Engineering and T…
The 2018 CAD/CAM previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: CAD/CAM
- Course: CAD CNC & ROBOTICS
- Branch: MECHANICAL ENGINEERING
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all selecting at least one question from each Unit.
- Assume missing data, if any.
- Each question carries 20 marks.
Questions
Unit - I
- Q1. Define CAD and CAD work station. How the system configuration is designed for a CAD work station? Use neat sketch to illustrate. [20 marks]
- Q2. Differentiate between Raster & Digital scan display. With the help of sketch diagram give the working of CRT in detail. [20 marks]
Unit - II
- Q3. (a) Write a note on RGB, CMV models. (b) Explain in detail the concept of Wire frame modeling with suitable diagram. [20 marks]
- Q4. Explain the terms Zooming & Clipping in detail. How Scaling is different from Zooming, explain your answer with the help of appropriate sketches. [20 marks]
Unit - III
- Q5. Define CNC & DNC. Explain the working of DNC with diagram, how CNC is better than conventional NC type machining? [20 marks]
- Q6. Discuss the structure of Robotic system in detail and how the degree of freedom affects the robotic configuration? For detecting the distance in robots what type of sensor you recommend? [20 marks]
Unit - IV
- Q7. Explain the terms, Tool offset compensation, CAPP, Word address format & Point to Point system in part programming. [20 marks]
- Q8. Write the different steps used in NC Part Programming. With the help of G & M codes write the program for the given figure. (Fig. 1) [20 marks]