PCBL Chemical Limited Mechanical Engineer Interview Questions and Answers

GMAW stands for Gas Metal Arc Welding, a welding process that uses a continuous solid wire electrode and shielding gas to create a weld.

• Uses a continuous solid wire electrode

• Requires a shielding gas to protect the weld from atmospheric contamination

• Commonly used in industries like automotive, construction, and manufacturing

MIG stands for Metal Inert Gas welding, while MAG stands for Metal Active Gas welding. The main difference lies in the type of shielding gas used.

• MIG welding uses inert gases like argon or helium to shield the weld pool from atmospheric contamination, while MAG welding uses active gases like carbon dioxide or a mixture of gases.

• MIG welding is typically used for non-ferrous metals like aluminum, while MAG welding is mor...read more

WPS Procee is a welding procedure specification that outlines the details of a specific welding process.

• WPS Procee includes information such as welding materials, welding parameters, preheat and post-weld heat treatment requirements.

• It is essential for ensuring consistency and quality in welding operations.

• WPS Procee is often required in industries such as construction, manufacturing, and oil & gas.

• Example: A WPS Proce...read more

PQR Process is a procedure used in welding to qualify the welding procedure specification.

• PQR stands for Procedure Qualification Record.

• It involves testing and documenting the variables used during the welding process.

• The purpose is to ensure that the welding procedure will produce the desired quality of welds.

• PQR Process is essential for ensuring the integrity and strength of welded joints.

• Examples of variables tested...read more

Experienced Senior Engineer with a strong background in software development and project management.

• Over 10 years of experience in software engineering

• Proficient in multiple programming languages such as Java, Python, and C++

• Led successful projects from conception to completion, resulting in increased efficiency and cost savings

• Strong problem-solving skills and ability to work well in a team environment

Seeking new challenges and opportunities for growth.

• Looking for a new environment to learn and develop new skills.

• Interested in working on different projects to broaden my experience.

• Seeking a company with better career advancement opportunities.

• Want to explore new technologies and methodologies in the industry.

Distillation is a process of separating components in a liquid mixture based on their boiling points.

• Distillation involves heating the liquid mixture to create vapor, then cooling the vapor to collect the separated components.

• Types of distillation include simple distillation, fractional distillation, and steam distillation.

• Simple distillation is used for separating components with significantly different boiling points...read more

Carcass black is a term used in the production industry to describe a type of rubber compound used in tire manufacturing.

• Carcass black is a type of reinforcing filler used in tire production to improve strength and durability.

• It is typically made from carbon black, a form of carbon that is finely divided and used as a reinforcing filler in rubber products.

• Carcass black helps improve the overall performance of tires by ...read more

The machine capacity refers to the maximum amount of work or output that a machine can handle within a given time frame.

• Machine capacity can be measured in terms of units produced per hour, pieces processed per minute, or any other relevant metric.

• Factors that can affect machine capacity include machine speed, efficiency, maintenance, and downtime.

• For example, a CNC machine may have a capacity of producing 100 units pe...read more

I am a dedicated and enthusiastic Junior Engineer with a strong passion for problem-solving and learning new technologies.

• I have a Bachelor's degree in Engineering with a focus on software development.

• I have experience working on various projects during my studies, including developing a web application for a local business.

• I am proficient in programming languages such as Java, C++, and Python.

• I have strong analytical ...read more

CNC stands for Computer Numerical Control. It is a manufacturing process that uses computerized systems to control machine tools.

• CNC allows for precise and automated control of machine tools.

• It is commonly used in industries such as automotive, aerospace, and electronics.

• CNC machines can perform a wide range of operations, including cutting, drilling, milling, and turning.

• They are capable of producing complex and intri...read more

Backlash of a gearbox refers to the amount of play or clearance between the mating teeth of gears.

• Backlash is important in gear systems as it affects the accuracy and smoothness of motion transmission.

• It is measured as the angular movement of the output gear before the input gear starts to rotate.

• Backlash can be adjusted by changing the position of gears or using anti-backlash mechanisms.

• Excessive backlash can result i...read more