Lincoln Electric Interview Questions and Answers

Shut down the turbine immediately and inspect the ESV for any leaks or damages.

• Shut down the turbine to prevent further damage

• Inspect the ESV for any leaks or damages

• Check for any blockages in the system causing the water leakage

• Contact maintenance team for further assistance

Corrosion is the most common problem faced in WHRS boilers.

• Corrosion due to high temperatures and acidic gases

• Corrosion of tubes and pipes leading to leaks and reduced efficiency

• Regular monitoring and maintenance required to prevent corrosion

• Use of corrosion-resistant materials and coatings to mitigate the issue

Sweetener of cement is needed to improve workability, reduce water content, and enhance strength and durability.

• Improves workability by reducing water demand

• Reduces water content in the mix

• Enhances strength and durability of the concrete

• Helps in achieving desired setting time

• Common sweeteners include sugar, calcium lignosulfonate, and polycarboxylate ethers

A cement flow chart is a visual representation of the process of cement production from raw materials to the final product.

• The flow chart typically starts with the extraction of raw materials such as limestone and clay.

• The raw materials are then crushed, ground, and mixed to form a raw mix.

• The raw mix is heated in a kiln to produce clinker.

• The clinker is then ground with gypsum to produce cement.

• Finally, the cement is packed and shipped for distribution.

• Each step in the proce...read more

Fluctuation in flue gas temperature can indicate issues with combustion efficiency or equipment malfunction.

• Fluctuations may be caused by changes in fuel composition or flow rate.

• Improper air-to-fuel ratio can lead to temperature fluctuations.

• Malfunctioning sensors or control systems can also cause temperature variations.

• Regular monitoring and maintenance can help identify and address issues causing temperature fluctuations.

Sales involves the process of selling products or services to customers.

• Sales is the act of persuading and convincing potential customers to purchase a product or service.

• It involves identifying customer needs and offering solutions that meet those needs.

• Sales can be done through various channels such as direct selling, telemarketing, online platforms, etc.

• Effective sales techniques include building relationships, understanding customer objections, and demonstrating product v...read more

Rawmix design refers to the process of selecting and proportioning the raw materials used in cement production.

• Rawmix design involves determining the chemical composition and physical properties of the raw materials.

• The goal is to create a rawmix that will produce the desired quality and characteristics of the final cement product.

• Factors considered in rawmix design include the availability and cost of raw materials, desired cement properties, and environmental considerations...read more