Descon Engineering QA QC Supervisor Interview Questions and Answers

I have extensive experience in implementing QC procedures and conducting inspections as a Quality Control Inspector.

• Developing and implementing QC procedures to ensure product quality

• Conducting inspections and tests to identify defects or non-conformities

• Documenting findings and reporting on quality issues

• Collaborating with production teams to address quality concerns

• Continuous improvement of QC processes based on feed...read more

A Quality Control Plan ensures construction projects meet standards through systematic monitoring and evaluation.

• Quality Objectives: Define clear quality goals, such as achieving a specific safety rating or material durability.

• Standards and Specifications: Reference relevant codes and standards, like ASTM or ISO, to ensure compliance.

• Inspection and Testing: Outline procedures for regular inspections and testing of mate...read more

Material inspections ensure quality and compliance in construction, verifying that materials meet specifications and standards.

• Verify material specifications against project requirements, e.g., checking concrete mix design.

• Conduct visual inspections for defects, such as cracks in steel beams.

• Perform tests like slump tests for concrete to assess workability.

• Review certifications and documentation from suppliers to ensur...read more

SQL joins combine rows from two or more tables based on related columns, enabling complex queries and data retrieval.

• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN (or LEFT OUTER JOIN): Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN (or RIGHT ...read more

To find the second highest salary, we can use SQL queries or programming logic to filter and sort salary data.

• Use SQL query: SELECT DISTINCT salary FROM employees WHERE department = 'Sales' ORDER BY salary DESC LIMIT 1 OFFSET 1;

• Alternatively, use a programming language: Sort the salary list and select the second last element.

• Example: In Python, you can use sorted(set(salaries))[-2] to get the second highest salary.

ROW_NUMBER assigns a unique sequential integer to rows within a partition of a result set, useful for ranking and pagination.

• ROW_NUMBER() is a window function that assigns a unique number to each row based on the specified order.

• It is often used for pagination in queries, allowing you to retrieve a specific subset of results.

• Example: SELECT ROW_NUMBER() OVER (ORDER BY salary DESC) AS rank FROM employees; assigns ranks ...read more