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L&T Placement Paper


Mechanical Engineering

1. Which is the software is not used for FEM.

2. What is the Condition for perfect structure (ans.m=2j-3)

3. What is iron- carbon diagram.

4. Which is used for hardening of brass.(hardening methods).

5. Which is most suitable theory of failure for ductile materials.

6. What is solidification time of casting.

7. What is rack angle sticking friction.

8. What is chip cut thickness.

9. What is life of bearings.

10.What is heat transfer through multi slabs and one from fins.

11.What is linkage mechanism.

12.What is ISO 9000.

13.What is condensation temp in refrigeration cycle.

14.What are moulding techniques.

Mechanical Engineering Aptitude Test

1). What is the basic requirement to design the pressure vessel?

2). What are the parameters affecting the design of pressure vessel?

3). Draw the iron-carbon diagram.

4). Why the iron-carbon diagram is useful and how to use it in real environment?

5). What is factor of safety, diameter and thickness relationship for the pressure vessel?