300+ Quality Inspector Interview Questions and Answers

The least count of vernier caliper is the smallest measurement it can accurately measure. The least count of a micrometer is the smallest measurement it can accurately measure.

• The least count of a vernier caliper is typically 0.02 mm or 0.001 inches.

• The least count of a micrometer is typically 0.01 mm or 0.001 inches.

• Vernier calipers are used to measure dimensions of objects with high accuracy.

• Micrometers are used to measure small distances or thicknesses with high precision.

The number of angles of projection in a drawing depends on the specific requirements and complexity of the object being depicted.

• The number of angles of projection can vary depending on the purpose of the drawing.

• Common angles of projection include front view, top view, side view, and isometric view.

• Additional angles may be required for complex objects or to show specific details.

• The number of angles can also depend on the industry or standards being followed.

• For example, in ...read more

The angle of projection drawing should be prepared in the third angle projection.

• The third angle projection is commonly used in engineering and technical drawings.

• In third angle projection, the object is placed in the third quadrant of the orthographic projection.

• The top view is placed above the front view, and the right side view is placed to the right of the front view.

• This method is widely adopted in many countries including the United States and Canada.

• Example: If a cube ...read more

Product quality refers to how well a product satisfies customer needs, serves its purpose, and meets industry standards.

• Product quality is determined by how well a product solves a problem or meets a need.

• Efficiency and effectiveness are key factors in evaluating product quality.

• Meeting industry standards and regulations is essential for ensuring product quality.

• Examples of product quality include a durable smartphone that meets user needs, a reliable car that performs well, ...read more

Developing manufacturing processes for building and assembling electrical components involves careful planning and coordination.

• Identify the specific electrical components to be manufactured and assembled.

• Research and analyze existing manufacturing processes for similar components.

• Design and develop new manufacturing processes that meet quality standards and efficiency goals.

• Collaborate with engineers, designers, and production teams to ensure smooth implementation of process...read more

Quality control equipment includes tools like vernier calipers and micrometers.

• Vernier calipers are used to measure dimensions with high accuracy.

• Micrometers are used to measure thickness, diameter, and depth with precision.

• Other quality control equipment includes hardness testers, gauges, and spectrophotometers.

• These tools help ensure that products meet specified quality standards.

• They are commonly used in manufacturing, engineering, and construction industries.

First piece inspection is crucial to ensure quality. Use instruments like calipers, micrometers, and CMMs. GD&T is important for dimensional accuracy.

• First piece inspection is done to ensure that the manufacturing process is producing parts that meet the required specifications.

• Instruments commonly used for first piece inspection include calipers, micrometers, height gauges, and coordinate measuring machines (CMMs).

• GD&T (Geometric Dimensioning and Tolerancing) is used to ensu...read more

There are several countries that export two wheeler vehicles.

• India is the largest exporter of two wheeler vehicles in the world.

• Other countries that export two wheeler vehicles include China, Japan, Italy, and Taiwan.

• The exact number of countries that export two wheeler vehicles may vary depending on the definition of 'exporter'.

Manholes are typically covered with a combination of tanking membrane and protection board.

• Tanking membrane is a waterproofing material that is applied to the surface of the manhole to prevent water from entering.

• Protection board is then placed on top of the tanking membrane to protect it from damage.

• The type of protection board used can vary depending on the specific application, but it is typically made of materials like plywood or plastic.

• The combination of tanking membran...read more

1st angle and 3rd angle projection are two methods of representing a 3D object on a 2D surface.

• In 1st angle projection, the object is placed in front of the viewing plane and the views are taken from behind the object.

• In 3rd angle projection, the object is placed behind the viewing plane and the views are taken from in front of the object.

• 1st angle projection is commonly used in Europe and Asia, while 3rd angle projection is commonly used in North America.

• The symbol for 1st a...read more

The least count of Vernier caliper is the smallest measurement that can be read on the scale.

• The least count of Vernier caliper is usually 0.02 mm or 0.001 inches.

• It is determined by the number of divisions on the Vernier scale and the main scale.

• For example, if the Vernier scale has 10 divisions and the main scale has 20 divisions, the least count would be 0.1 mm divided by 200, which is 0.0005 mm.

• The least count is important for accurate measurements and should be considere...read more

To check good harnesses, inspect for proper connections, secure fastenings, correct wire routing, and absence of damage or wear.

• Inspect for proper connections between wires and connectors.

• Check for secure fastenings, such as properly tightened screws or clamps.

• Ensure correct wire routing, with wires organized and protected from potential damage.

• Look for any signs of damage or wear, such as frayed wires or broken insulation.

• Verify that the harness meets the required specificat...read more

Micrometer and vernier caliper are both precision measuring instruments, but they differ in their design and usage.

• Micrometer is used for measuring small dimensions with high accuracy, typically in the range of 0.001mm to 25mm.

• Vernier caliper is used for measuring larger dimensions with good accuracy, typically in the range of 0.02mm to 1500mm.

• Micrometer has a spindle and anvil mechanism, where the spindle moves towards the anvil to measure the dimension.

• Vernier caliper has a...read more

Temperature is the measure of the average kinetic energy of particles in a substance. The current definition is based on the Kelvin scale.

• Temperature is measured in degrees Celsius, Fahrenheit, or Kelvin.

• The Kelvin scale is the current definition of temperature and is based on the absolute zero point.

• Temperature affects the physical and chemical properties of substances.

• Temperature can be measured using thermometers or thermal imaging cameras.

Quality is meeting or exceeding customer expectations. 7QC tools, 8D, 7 safety fundamentals, 7 golden rules, and 5S are quality improvement methodologies.

• 7QC tools are a set of problem-solving tools used to improve quality. Examples include Pareto charts, fishbone diagrams, and control charts.

• 8D is a problem-solving methodology used to identify, correct, and prevent problems. It involves eight steps, including defining the problem, implementing a temporary fix, and verifying ...read more

Answering questions related to QC tools and instruments used as a Quality Inspector.

• Seven QC tools are Check Sheets, Control Charts, Histograms, Pareto Charts, Scatter Diagrams, Fishbone Diagrams, and Flow Charts.

• I have handled instruments such as Vernier Calipers, Micrometers, Height Gauges, and Dial Indicators.

• The least count of these instruments varies from 0.01mm to 0.001mm.

• 0.001mm is equal to 1 micro meter.

Plastic is a synthetic material made from polymers that can be molded into various shapes and forms.

• Plastic is a versatile material used in a wide range of industries such as packaging, automotive, and construction.

• Injection molding machine works by melting plastic pellets and injecting the molten material into a mold.

• RM stands for Raw Material, which is the base material used in manufacturing processes.

• Back pressure in injection molding refers to the resistance encountered b...read more

Improved vehicle inspection check sheet as per SQDC, reducing pages from 32 to 14.

• Identified unnecessary fields and removed them

• Reorganized the layout for better clarity

• Used abbreviations and symbols to save space

• Tested the new check sheet for accuracy and efficiency

• Received positive feedback from team members and management

2-stroke engines have a power stroke every revolution, while 4-stroke engines have a power stroke every other revolution.

• 2-stroke engines are simpler and lighter than 4-stroke engines.

• 2-stroke engines have a higher power-to-weight ratio than 4-stroke engines.

• 4-stroke engines are more fuel-efficient and have a longer lifespan than 2-stroke engines.

• 2-stroke engines are commonly used in small, handheld equipment like chainsaws and leaf blowers, while 4-stroke engines are used in...read more

The instrument used to measure bore diameter is called a bore gauge.

• A bore gauge is a precision measuring instrument used to measure the diameter of holes, cylinders, and bores.

• It consists of a gauge head with two or three spring-loaded arms that expand to contact the walls of the bore.

• The measurement is taken by reading the scale or digital display on the gauge head.

• Bore gauges come in various types, such as telescopic, dial, and digital bore gauges.

• Examples of bore gauges i...read more

QA focuses on preventing defects in the production process, while QC focuses on identifying defects in the final product.

• QA is process oriented, focusing on preventing defects by setting up processes and standards.

• QC is product oriented, focusing on identifying defects in the final product through inspections and testing.

• QA involves activities like process design, training, and audits to ensure quality standards are met.

• QC involves activities like product testing, sampling, a...read more

Selecting appropriate gauges for dimensions is crucial for accurate measurements in quality inspection.

• Consider the tolerance range of the dimension being measured

• Choose a gauge that has the appropriate accuracy and resolution for the dimension

• Ensure the gauge is calibrated and in good working condition

• Refer to engineering drawings or specifications for guidance on which gauge to use

• Use different types of gauges such as calipers, micrometers, or height gauges based on the dim...read more

IS code for electrical wire with rating upto 1100V is IS 694:2010

• IS 694:2010 is the Indian Standard code for PVC insulated cables with rated voltage upto 1100V

• The code specifies the requirements for the insulation, conductor, sheath, and marking of the cable

• The cable must meet the electrical and mechanical properties as per the standard

Quality is more important than quantity as it ensures that the desired standards are met.

• Quality ensures customer satisfaction and loyalty.

• Quality products or services have a longer lifespan and require fewer repairs or replacements.

• Quality leads to improved efficiency and productivity.

• Quality reduces waste and costs in the long run.

• Quantity alone does not guarantee customer satisfaction or business success.

• Examples: A high-quality car that lasts for years without major issue...read more

A control chart is a statistical tool used to monitor and control a process over time.

• It helps to identify and analyze variations in a process.

• It consists of a central line representing the average value and upper and lower control limits.

• Data points falling outside the control limits indicate special causes of variation.

• Common types of control charts include X-bar and R charts, X-bar and S charts, and p charts.

• Control charts are commonly used in quality control to ensure pro...read more

By conducting thorough functional testing, analyzing performance data, and comparing with specifications.

• Conduct thorough functional testing to identify any abnormalities in performance.

• Analyze performance data to detect any deviations from expected results.

• Compare the part with specifications to ensure it meets all requirements.

• Use specialized tools such as gauges, meters, or software to detect hidden defects.

• Consult with engineers or manufacturers for further insight on pot...read more

The maximum dimensions occupied by a part can vary depending on the complexity of the part and the requirements of the design.

• The maximum dimensions of a part can be defined by its length, width, and height in 3D space.

• In 2D, the maximum dimensions may be limited to length and width only.

• Other dimensions such as diameter, thickness, or radius may also be considered depending on the part.

• For example, a simple rectangular block may have dimensions of 10cm x 5cm x 3cm in 3D spac...read more

The torque output of a motor can be determined by measuring the force applied at a known distance from the motor's axis of rotation.

• Use a torque wrench to measure the force applied to the motor's output shaft.

• Measure the distance from the center of the motor's output shaft to the point where the force is applied.

• Multiply the force by the distance to calculate the torque output of the motor.

• For example, if a force of 10 N is applied at a distance of 0.5 meters from the motor's...read more

Vernier caliper is a precision measuring tool used to measure dimensions with high accuracy.

• Used to measure internal and external dimensions of objects

• Consists of a main scale and a sliding vernier scale for precise readings

• Works by aligning the object between the jaws and reading the measurement where the vernier scale lines up

• Example: Measuring the diameter of a bolt or the thickness of a sheet of metal

The least count of a digital vernier caliper is the smallest measurement that can be accurately read.

• The least count is determined by the number of divisions on the main scale and the number of divisions on the vernier scale.

• It is usually expressed in millimeters or inches.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions, the least count would be 0.1 mm.

• The least count indicates the precision and accuracy of the caliper in measuring ...read more

GD&T (Geometric Dimensioning and Tolerancing) tools are used to define and communicate the allowable variations in the form, size, and location of features on a part.

• GD&T tools are used in engineering and manufacturing industries to ensure the quality and interchangeability of parts.

• These tools provide a standardized language and symbols to specify and control the geometric characteristics of a part.

• Examples of GD&T tools include calipers, micrometers, coordinate measuring ma...read more

The least count of a micrometer is the smallest measurement that can be read on the scale.

• The least count of a micrometer is typically 0.01 mm or 0.001 mm.

• It depends on the type of micrometer being used.

• For example, an outside micrometer typically has a least count of 0.01 mm, while an inside micrometer may have a least count of 0.001 mm.

• The least count is important for accurately measuring small distances or dimensions.

The problem mouth press refers to an issue with the pressing mechanism of a machine used in quality inspection.

• The problem could be related to a malfunctioning or misaligned press mechanism.

• It could result in inconsistent or incorrect pressure being applied during inspection.

• Examples of problems could include a stuck press, uneven pressure distribution, or a faulty sensor.

• The issue may lead to inaccurate quality assessments and potential defects going unnoticed.

I have experience in the lighting field and possess product knowledge and understanding of electrical parameters.

• I have worked in the lighting industry for 5 years

• I am familiar with various types of lighting fixtures and their applications

• I have knowledge of electrical parameters such as voltage, current, and resistance

• I have experience in conducting quality inspections on lighting products

• I am familiar with industry standards and regulations related to lighting products

The measure issues of the body of a vehicle include structural integrity, fit and finish, and overall aesthetics.

• Structural integrity refers to the strength and stability of the vehicle's body, ensuring it can withstand impacts and provide safety to occupants.

• Fit and finish involves checking for proper alignment of body panels, doors, and windows, ensuring they are flush and operate smoothly.

• Aesthetics encompass the visual appeal of the vehicle's body, including paint quality...read more

The principle of micrometre is to measure small distances or thicknesses with high precision.

• Micrometre is a measuring instrument used to measure dimensions in micrometers (µm).

• It consists of a stationary anvil and a movable spindle that can be adjusted to measure the distance between them.

• The micrometre scale is typically graduated in increments of 0.01 mm or 0.001 mm.

• To measure an object, the spindle is brought into contact with one surface while the anvil is in contact wit...read more

A wiring harness is a group of wires bundled together for transmitting electrical signals. EMF stands for electromagnetic field, which is a physical field produced by electrically charged objects. The law used in electrical refers to Ohm's Law, which relates voltage, current, and resistance in a circuit.

• A wiring harness is a set of wires grouped together to transmit electrical signals efficiently.

• EMF, or electromagnetic field, is a physical field produced by electrically char...read more

The least count of a vernier caliper is typically 0.02 mm or 0.001 inch.

• The least count of a vernier caliper in millimetre is usually 0.02 mm.

• The least count of a vernier caliper in inch is typically 0.001 inch.

• The least count is the smallest measurement that can be read on the scale of the caliper.

Yes, I have experience handling Vernier and micrometer.

• I have used Vernier and micrometer in my previous job as a quality inspector.

• I am familiar with the proper use and calibration of these tools.

• I understand the importance of accurate measurements in ensuring product quality.

• I am willing to undergo additional training if necessary.

Standard operating procedures in stores include receiving, storing, and issuing of goods.

• Receiving goods involves checking for quality and quantity

• Storing goods involves proper labeling and organization

• Issuing goods involves verifying requests and maintaining inventory levels

• Regular inventory checks and audits are also part of the standard operating procedures

Inner diameter is the measurement of the inside of a circular object, while outer diameter is the measurement of the outside of a circular object.

• Inner diameter refers to the distance across the inside of a circular object.

• Outer diameter refers to the distance across the outside of a circular object.

• Inner diameter is used to determine the size of a hole or opening, while outer diameter is used to determine the size of the entire object.

• For example, in a pipe, the inner diamet...read more

Concentricity, cylindricity, run-out, total run-out, and parallelism can be checked using various tools and techniques.

• Concentricity can be checked using a dial indicator or a coordinate measuring machine (CMM).

• Cylindricity can be checked using a roundness tester or a CMM.

• Run-out can be checked using a dial indicator or a run-out gauge.

• Total run-out can be checked using a run-out gauge or a CMM.

• Parallelism can be checked using a height gauge or a CMM.

• Proper calibration of the...read more

Answers to interview questions for Quality Inspector role

• Shear stress is the force applied per unit area perpendicular to the face of a material

• Shear strain is the deformation of a material in response to shear stress

• Poisson's ratio is the ratio of lateral strain to longitudinal strain when a material is stretched

• I am interested in this role because I have a passion for ensuring quality and improving processes

• The roles of a Quality Inspector include inspecting products, ident...read more

The most high-income system in India is the IT industry.

• IT industry offers high-paying jobs in software development, data analytics, cybersecurity, etc.

• Companies like TCS, Infosys, Wipro, and Tech Mahindra are major players in the IT sector.

• IT professionals with specialized skills and experience can earn significant salaries.

• Freelancing and consulting in IT also provide opportunities for high income.

Measuring instruments used in quality inspection and their least counts.

• Common measuring instruments include calipers, micrometers, height gauges, and dial indicators.

• Calipers are used to measure dimensions and have a least count of 0.02 mm.

• Micrometers are used for precise measurements and have a least count of 0.01 mm.

• Height gauges are used to measure heights and have a least count of 0.02 mm.

• Dial indicators are used to measure small linear distances and have a least count o...read more

To draw front, top and side view of a drawing, follow these steps.

• Start by drawing the front view, which shows the object as it appears from the front.

• Next, draw the top view, which shows the object as it appears from above.

• Finally, draw the side view, which shows the object as it appears from the side.

• Make sure to label each view with the appropriate dimensions and angles.

• Use a ruler and protractor to ensure accuracy.

A cam is a rotating or sliding piece in a machine that imparts reciprocating or oscillating motion to another part. A crank is a lever that converts rotational motion into reciprocating motion.

• A cam is typically a shaped piece of metal or other material that rotates or slides to push or pull on another part.

• A crank is a lever that converts rotational motion into reciprocating motion.

• Cams are commonly used in engines to control the opening and closing of valves.

• Crankshafts are...read more