Suvjay Industries India Interview Questions and Answers

The melting point of PP (Polypropylene) is around 130-171°C, while the melting point of PET (Polyethylene Terephthalate) is around 250°C.

• PP (Polypropylene) has a melting point range of 130-171°C

• PET (Polyethylene Terephthalate) has a melting point around 250°C

Density of plastic materials varies depending on the type of plastic, typically ranging from 0.9 to 2.2 g/cm^3.

• Density is usually measured in grams per cubic centimeter (g/cm^3).

• Common plastics like polyethylene have a density around 0.9 g/cm^3.

• Higher density plastics like PVC can have a density of around 1.4 g/cm^3.

• Specialty plastics like PTFE can have a density of around 2.2 g/cm^3.

Thermoforming is a manufacturing process where a plastic sheet is heated to a pliable forming temperature, formed to a specific shape in a mold, and trimmed to create a usable product.

• Heating a plastic sheet to a pliable temperature

• Forming the sheet to a specific shape in a mold

• Trimming the formed sheet to create a usable product

An extension machine is a piece of equipment used in manufacturing to extend or stretch materials such as metal or plastic.

• Extension machines are commonly used in industries like automotive, aerospace, and construction.

• They work by applying force to the material in order to elongate it without causing it to break.

• The machine can be adjusted to control the speed and amount of extension applied to the material.

• Examples o...read more