10+ Darshan Chemicals Interview Questions and Answers

Toe in and toe out are terms used to describe the angle of the wheels on a vehicle.

• Toe in refers to the front of the wheels being closer together than the back of the wheels.

• Toe out refers to the front of the wheels being further apart than the back of the wheels.

• Toe in/out can affect the handling and tire wear of a vehicle.

• Proper alignment is important for safety and optimal performance.

Quality is meeting or exceeding customer expectations, while quality control is the process of ensuring products or services meet quality standards.

• Quality is the degree to which a product or service meets customer requirements and expectations.

• Quality control involves activities such as inspections, testing, and corrective actions to ensure products or services meet quality standards.

• Quality control aims to identify and correct defects or deviations from quality standards be...read more

The 7QC tools are a set of problem-solving techniques used in quality management. PPAP stands for Production Part Approval Process.

• The 7QC tools are: check sheets, control charts, histograms, Pareto charts, scatter diagrams, cause-and-effect diagrams, and flowcharts.

• These tools help identify and analyze quality problems, and facilitate decision-making and problem-solving processes.

• PPAP is a standardized process used in the automotive industry to ensure that suppliers meet the...read more

5S is a workplace organization method that uses a list of five Japanese words: seiri, seiton, seiso, seiketsu, and shitsuke.

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

• It is a lean manufacturing tool used to improve workplace efficiency and productivity

• Example: Sorting and organizing tools in a toolbox to reduce search time and increase productivity

• Example: Cleaning and maintaining a machine to prevent breakdowns and improve performance

Wheel balancing is the process of equalizing the weight of a tire and wheel assembly so that it spins smoothly at high speeds.

• It involves adding or removing weights to the wheel to balance it

• Unbalanced wheels can cause vibrations, uneven tire wear, and steering issues

• It is important to balance wheels regularly, especially after getting new tires or wheels

• Examples of wheel balancing equipment include wheel balancers and vibration analyzers

Quality refers to the standard or level of excellence, while quantity refers to the amount or number of something.

• Quality focuses on the characteristics, features, or attributes of a product or service.

• Quantity focuses on the size, volume, or quantity of a product or service.

• Quality is subjective and can vary based on individual preferences or requirements.

• Quantity is objective and can be measured or quantified.

• Quality is often associated with customer satisfaction and meetin...read more

Caster camber angle is the angle between the vertical axis of the wheel and the steering axis.

• It affects the stability and handling of the vehicle.

• Caster angle helps in straight-line stability and steering returnability.

• Camber angle helps in tire wear and cornering ability.

Welding defects are imperfections that occur during the welding process.

• Common welding defects include porosity, undercutting, and incomplete fusion.

• Porosity is caused by gas pockets trapped in the weld, while undercutting is a groove at the base of the weld.

• Incomplete fusion occurs when the weld metal does not fuse completely with the base metal.

• Welding defects can weaken the weld and compromise its integrity.

• Quality engineers must identify and address welding defects to ens...read more

QA defines short as the process of identifying and addressing defects or issues in a product or system.

• QA involves testing and analyzing the product or system to ensure it meets quality standards.

• It includes activities such as test planning, test execution, defect tracking, and reporting.

• QA aims to prevent defects and improve the overall quality of the product or system.

• Examples of QA activities include functional testing, performance testing, and usability testing.

There are several types of aggregates used in various industries, including construction and manufacturing.

• Aggregates are materials such as sand, gravel, crushed stone, and slag that are used in the production of concrete, asphalt, and other construction materials.

• They provide strength, stability, and durability to the final product.

• Different types of aggregates have different properties and uses, such as fine aggregates for mortar and coarse aggregates for concrete.

• Examples ...read more

There are several types of curing processes used in various industries.

• Thermal curing: involves the application of heat to cure a material, such as in the baking of paint on a car.

• Chemical curing: involves the use of chemicals or additives to initiate the curing process, such as in the curing of epoxy resins.

• Radiation curing: involves the use of ultraviolet (UV) or electron beam (EB) radiation to cure materials, such as in the printing industry.

• Moisture curing: involves the u...read more

Types of defects in manufacturing processes

• Design defects

• Material defects

• Manufacturing defects

• Human errors

• Environmental factors

• Usage-related defects

CAPA stands for Corrective and Preventive Action. It is a systematic approach to identify, investigate, and resolve quality issues.

• CAPA is a key component of quality management systems.

• It involves identifying the root cause of a problem and implementing corrective actions to prevent its recurrence.

• Corrective actions address existing issues, while preventive actions aim to prevent potential problems.

• CAPA typically includes steps like problem identification, investigation, root...read more

The type of welding used depends on the material being welded and the desired strength of the joint.

• Common types of welding include MIG, TIG, stick, and flux-cored welding.

• MIG welding is often used for welding aluminum and steel.

• TIG welding is commonly used for welding thin materials and for precision welding.

• Stick welding is often used for welding thicker materials and in outdoor environments.

• Flux-cored welding is similar to MIG welding but uses a flux-cored wire instead of ...read more

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

• The least count of a Vernier caliper is usually 0.02 mm or 0.05 mm.

• It is determined by dividing the smallest division on the main scale by the number of divisions on the Vernier scale.

• For example, if the smallest division on the main scale is 1 mm and there are 20 divisions on the Vernier scale, the least count would be 0.05 mm.

Quality is the measure of excellence or superiority of a product or service.

• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and conformance to requirements.

• Quality can be measured through metrics such as defect rates, customer satisfaction, and on-time delivery.

• Continuous improvement is essential for maintaining and enhancing quality.

• Examples of quality in manufacturing include defect-free products, efficient processes, and high cus...read more

Kaizen improvement is a continuous improvement approach focused on making small, incremental changes to processes or systems.

• Kaizen involves all employees in the organization, from top management to frontline workers, in identifying and implementing improvements.

• It emphasizes the importance of standardizing processes, eliminating waste, and fostering a culture of continuous improvement.

• Examples of Kaizen improvements include implementing 5S methodology, setting up suggestion ...read more