Sangir Plastics Project Engineer Interview Questions and Answers

Various types of moulding processes used in manufacturing.

• Injection moulding - most common method for producing plastic parts

• Blow moulding - used for hollow objects like bottles

• Compression moulding - used for thermosetting plastics

• Extrusion moulding - used for creating long shapes like pipes

• Rotational moulding - used for large, hollow products like tanks

Different types of water filters include reverse osmosis, activated carbon, UV filters, and ceramic filters.

• Reverse osmosis filters use a semipermeable membrane to remove contaminants.

• Activated carbon filters absorb impurities and improve taste.

• UV filters use ultraviolet light to kill bacteria and viruses.

• Ceramic filters physically block contaminants from passing through.

UV in filter refers to ultraviolet light used to kill bacteria and other microorganisms in water filtration systems.

• UV light is used in water filters to disinfect water by killing bacteria, viruses, and other microorganisms.

• UV filters are commonly used in water treatment plants, aquariums, and residential water filtration systems.

• UV filters are effective at destroying harmful pathogens without the use of chemicals.

• UV f...read more

TDS stands for Total Dissolved Solids in water, which includes minerals, salts, metals, and other substances.

• TDS is a measure of the combined content of all inorganic and organic substances contained in a liquid in molecular, ionized, or micro-granular suspended form.

• It is commonly measured in parts per million (ppm) or milligrams per liter (mg/L).

• High TDS levels can affect the taste of water and indicate potential con...read more

QMS is managed by establishing policies, procedures, and processes to ensure quality standards are met.

• Establishing a quality policy and objectives

• Documenting procedures and work instructions

• Implementing a corrective and preventive action system

• Conducting internal audits and management reviews

• Providing training and education to employees

• Ensuring compliance with regulatory requirements

• Continuously improving the QMS

Production targets are set goals for the quantity and quality of products to be produced within a specific timeframe.

• Production targets are typically set based on market demand, available resources, and production capacity.

• Targets should be realistic, achievable, and aligned with overall business objectives.

• Regular monitoring and adjustment of targets may be necessary to ensure optimal production efficiency.

• Examples: S...read more

One difficulty faced while processing is managing unexpected equipment failures.

• Managing unexpected equipment failures can lead to delays in production.

• Finding alternative solutions or repairing the equipment quickly is crucial.

• Implementing preventive maintenance strategies can help reduce the frequency of equipment failures.