Maheshwari Mining Quality Engineer Interview Questions and Answers

The 7 QC Tools are a set of basic tools used for quality control and problem-solving in manufacturing and other industries.

• Check sheet: Used to collect and analyze data in a systematic manner.

• Histogram: A visual representation of data distribution.

• Pareto chart: Helps identify the most significant factors contributing to a problem.

• Cause-and-effect diagram (Fishbone diagram): Used to identify and analyze potential causes...read more

Handle customer complaints by listening, empathizing, investigating, resolving, and following up.

• Listen to the customer's complaint without interrupting

• Empathize with the customer's situation and show understanding

• Investigate the root cause of the complaint to prevent future occurrences

• Resolve the issue promptly and effectively

• Follow up with the customer to ensure satisfaction and prevent recurrence

GD&T stands for Geometric Dimensioning and Tolerancing, a system for defining and communicating engineering tolerances.

• GD&T is a symbolic language used on engineering drawings to specify the allowable variations in form, size, and orientation of features.

• It helps ensure that parts fit together properly and function as intended.

• GD&T includes symbols, such as concentricity, flatness, perpendicularity, and position, to co...read more

The 5 core tools of Quality are essential techniques used in quality management to ensure products and processes meet standards.

• 1. Process Flowcharts: Used to visually represent the steps in a process.

• 2. Cause and Effect Diagrams (Fishbone Diagrams): Used to identify and analyze potential causes of a problem.

• 3. Control Charts: Used to monitor process variation over time.

• 4. Check Sheets: Used to collect and analyze data...read more

Operating a molding machine involves setup, operation, monitoring, and maintenance to produce quality molded products.

• Setup: Prepare the machine by selecting the appropriate mold and material, e.g., plastic or metal.

• Heating: Preheat the machine to the required temperature for the material being used.

• Injection: Inject the molten material into the mold under high pressure.

• Cooling: Allow the material to cool and solidify ...read more

Quality checks ensure products meet standards through systematic evaluation and testing.

• Define quality criteria based on project requirements and industry standards.

• Develop a quality assurance plan outlining the methods and tools for checks.

• Conduct inspections at various stages of production, such as pre-production, in-process, and post-production.

• Utilize automated testing tools for software to ensure functionality and...read more

Pellet plant is a facility that transforms raw materials into pellets through a series of processes like grinding, drying, and compressing.

• Raw materials such as wood chips or sawdust are fed into the plant

• The raw materials are ground into a fine powder

• The powder is then dried to remove moisture

• The dried powder is compressed into pellets using a pellet press

• The pellets are cooled and screened to ensure quality

• The final ...read more

Replacing cooler car plates involves removing old plates, cleaning the area, and installing new plates securely.

• Remove old cooler car plates carefully to avoid damaging surrounding components

• Clean the area thoroughly before installing new plates to ensure proper adhesion

• Securely install new cooler car plates to prevent any leaks or malfunctions

The reverse process of kiln girth gear involves disassembling, inspecting, repairing, and reassembling the gear to ensure proper functioning.

• Disassemble the girth gear carefully to inspect for any damage or wear

• Repair or replace any worn or damaged components

• Reassemble the gear ensuring proper alignment and torque specifications

• Perform testing to ensure the gear functions correctly after reassembly

There are various types of welding techniques and measuring equipment used in QA engineering.

• Types of welding include MIG, TIG, Stick, and Flux-Cored welding.

• Measuring equipment used in QA engineering includes calipers, micrometers, gauges, and coordinate measuring machines.

• Welding and measuring equipment must be calibrated regularly to ensure accuracy.

• Proper training and certification is necessary for QA engineers to ...read more