Mechanical Interview Questions and Answers
Most Frequently Asked Mechanical Interview Questions
| S.no | Isometric drawing | Orthographic drawing |
|---|---|---|
| 1. | It is a quasi 3d drawing | It represents the 3-D object and adding 2-D views of the object. |
| 2. | There is no such thing here | It shows you the true size of the object on the scale of 1:1 |
| 3. | Help in better understanding of the object | Used in doing the projects |
Nitrogen is used in welding because it causes porosity in carbon steels and counteracts oxidation, narrows the arc. It also helps in improving weld penetration and enhance arc temperature.
It is a technique helpful in the transformation of an aluminum alloy into the objects with a definitive cross-sectional profile. Aluminum extrusion has a broad spectrum of uses.
The toughness of an object is the amount of energy per unit volume that a material can absorb without fracturing. Method of toughness calculation is-
Find the area under a stress-strain curve that has to be drawn for that material. It is calculated by integration of the curve.
It is one of the most common Mechanical engineering Interview Questions.
It is an ability of an object or material through which it can come back to its normal shape after going through stretches, compression.
Types
- Perfectly Elastic Demand (EP = ∞) ...
- Perfectly Inelastic Demand (EP = 0) ...
- Relatively Elastic Demand (EP> 1) ...
- Relatively Inelastic Demand (Ep< 1 ) ...
- Unitary Elastic Demand ( Ep = 1)