20+ Quaity Control Engineer Interview Questions and Answers for Freshers

Yes, I have knowledge of soldering, desoldering, resistors, and electronic components.

• I have experience in soldering and desoldering electronic components onto circuit boards.

• I am familiar with different types of resistors and their functions in electronic circuits.

• I understand the importance of proper soldering techniques to ensure quality control in electronic manufacturing processes.

Relief angle is the angle between the flank and the perpendicular to the cutting edge. Rack angle is the angle between the tooth face and a plane perpendicular to the cutter axis. Counter bore is a cylindrical flat-bottomed hole that enlarges another hole.

• Relief angle is important for reducing friction and heat buildup during cutting operations.

• Rack angle is important for determining the shape and size of the teeth on a gear or rack.

• Counter bore is often used to create a flat...read more

A universal testing machine is a device used to test the mechanical properties of materials.

• It is commonly used in industries such as manufacturing, construction, and research.

• It can measure properties like tensile strength, compression strength, and flexural strength.

• The machine applies controlled forces to a specimen and measures the response, allowing for material characterization and quality control.

• It consists of a load frame, grips or fixtures to hold the specimen, and ...read more

Ru output is a measure of the surface finish of a part. Concentricity is the measurement of the center point of a feature relative to its axis.

• Ru output is a measure of the roughness of a surface, typically measured in microinches or micrometers.

• Concentricity is the measurement of how well the center point of a feature aligns with its axis.

• For example, in a cylindrical part, concentricity would measure how well the center of the cylinder aligns with its axis.

• Both ru output an...read more

Yes, I have knowledge in C, C++, and Python.

• Proficient in C for low-level programming and system development.

• Experienced in C++ for object-oriented programming and software development.

• Skilled in Python for scripting, automation, and data analysis.

5S is a methodology used in companies to improve workplace organization and efficiency.

• 5S stands for Sort, Set in Order, Shine, Standardize, and Sustain.

• Sort involves removing unnecessary items from the workplace.

• Set in Order focuses on arranging necessary items in a logical and efficient manner.

• Shine refers to cleaning and maintaining the workplace.

• Standardize involves creating guidelines and procedures for maintaining the organized workplace.

• Sustain is about continuously pr...read more

Least count is the smallest measurement increment of an instrument, crucial for precision in measurements.

• The least count is determined by the smallest division on the measuring scale.

• For a ruler, if the smallest division is 1 mm, its least count is 1 mm.

• In a vernier caliper, if the main scale has 1 mm divisions and the vernier scale has 10 divisions over 9 mm, the least count is 0.1 mm.

• Understanding least count helps in assessing the accuracy and precision of measurements.

Curing compounds are used in construction to retain moisture in concrete during the curing process.

• Curing compounds are applied to the surface of freshly placed concrete to prevent moisture loss.

• They form a membrane that retains moisture and allows the concrete to properly cure.

• Curing compounds help in reducing cracks, improving strength, and enhancing durability of concrete.

• Examples of curing compounds include acrylic-based, wax-based, and resin-based compounds.

PDI inspection stands for Pre-Delivery Inspection, which is a quality control process conducted before delivering a product or service to the customer.

• PDI inspection is a comprehensive check performed to ensure that the product or service meets the required quality standards.

• It involves inspecting various aspects such as functionality, performance, appearance, and safety.

• PDI inspections are commonly conducted in industries like automotive, electronics, and construction.

• For ex...read more

Panel checking is a quality control process that involves inspecting and verifying the accuracy and functionality of electrical control panels.

• Panel checking is performed to ensure that electrical control panels are built correctly and meet the required specifications.

• It involves visually inspecting the panel for any physical defects or errors in wiring.

• Functional testing is also conducted to ensure that all components and circuits are working properly.

• Panel checking may incl...read more

The required slump value of pumping concrete depends on the distance and height of the pump.

• The required slump value for pumping concrete increases with the distance and height the concrete needs to be pumped.

• A higher slump value is needed for longer horizontal distances and taller vertical heights.

• Consult the concrete mix design specifications and pump manufacturer guidelines for the recommended slump value.

Aggregate crossing value is a measure used in quality control to assess the strength of aggregates in construction materials.

• Aggregate crossing value is a parameter used to evaluate the quality of aggregates in construction materials.

• It is calculated by determining the percentage of aggregate particles that pass through specific sieve sizes.

• A higher aggregate crossing value indicates a higher quality of aggregates.

• Aggregate crossing value is important in ensuring the durabili...read more

Control charts are statistical tools used to monitor and control a process over time.

• They help identify if a process is stable or unstable.

• They plot data points on a graph to show trends and patterns.

• They have upper and lower control limits to indicate when a process is out of control.

• They can be used for variables data (measurements) or attributes data (counts).

• Examples include X-bar and R charts, p and np charts, and c and u charts.

Testing refers to the process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

• Testing is a crucial part of software development and ensures that the product meets the desired quality standards.

• It involves executing a system or its component(s) with various inputs and verifying the output against the expected results.

• Testing can be done manually or through automated tools, depending on the complexity of ...read more

DC is a constant flow of electrical charge while AC is a flow that periodically reverses direction.

• DC stands for Direct Current while AC stands for Alternating Current

• DC flows in one direction only while AC periodically reverses direction

• DC is commonly used in batteries while AC is used in power grids

• DC voltage is constant while AC voltage varies with time

• DC is easier to convert to other voltages while AC requires more complex equipment for conversion

Standard size of brick is 3 5/8 inches x 2 1/4 inches x 8 inches.

• Standard size of brick is 3 5/8 inches x 2 1/4 inches x 8 inches.

• Bricks come in various sizes depending on the region and purpose.

• Common brick sizes include modular (3 5/8 x 2 1/4 x 7 5/8 inches) and jumbo (3 5/8 x 2 3/4 x 8 inches).

I joined this company to leverage my skills in quality control and contribute to enhancing product standards and customer satisfaction.

• I researched the company's values and mission, aligning them with my professional goals.

• I networked with current employees to gain insights about the company culture and expectations.

• I prepared thoroughly for the interview by reviewing common quality control practices and relevant industry standards.

• I highlighted my previous experience in qual...read more

PQC is a quality control method that focuses on the final product, while DBM is a process control method that focuses on the production process.

• PQC stands for Product Quality Control, while DBM stands for Direct Burner Management.

• PQC is used to ensure the final product meets quality standards, while DBM is used to control the combustion process in industrial furnaces.

• PQC involves testing and inspection of finished products, while DBM involves monitoring and controlling the fu...read more

A gauge is a device used to measure and display the magnitude of a physical quantity.

• Types of gauges include pressure gauges, temperature gauges, and thickness gauges.

• Pressure gauges measure the pressure of gases or liquids, e.g., tire pressure gauge.

• Temperature gauges, like thermometers, measure temperature in various applications.

• Thickness gauges assess material thickness, often used in quality control in manufacturing.

Types of concrete include ready-mix, precast, shotcrete, high-strength, and lightweight concrete.

• Ready-mix concrete is produced in a plant and delivered to the construction site in a truck.

• Precast concrete is cast in a reusable mold and cured in a controlled environment before being transported to the construction site.

• Shotcrete is a method of applying concrete through a hose and nozzle, often used for vertical or overhead surfaces.

• High-strength concrete has a higher compress...read more