53203-mt----design Synthesis

NR

Code No: 53203/MT

M.Tech. – II Semester Regular Examinations, September, 2008 DESIGN SYNTHESIS (Machine Design) Time: 3hours

Max. Marks:60 Answer any FIVE questions All questions carry equal marks ---

1.

Explain various design methods for problems solving.

2.a) b) 3. 4. 5.a) b)

Explain why shaft basis system is preferred over the hole basis system. Explain the importance of surface roughness in design. Explain with sketches various considerations to be taken in designing welded constructions. Explain various factors to be considered while designing a component by sheet metal forming. State the areas of study covered under ergonomics. Explain the effect of work conditions on productivity.

6.

What are the points to be considered from assembly point of view while designing machine components? Explain.

7.

Illustrate the principle of optimum design with an example and also draw a flow chart for the optimal design procedure.

8.

Write a short notes on the following: (a) (b) (c)

Interchangeability and selective assembly Backlash and clearance adjustment Conceptual Design. &_&_&_&