BYJU'S Interview Questions and Answers

The air-fuel ratio in a petrol engine is typically around 14.7:1, meaning there are 14.7 parts of air to 1 part of fuel.

• Air-fuel ratio is the ratio of the mass of air to the mass of fuel in the combustion mixture.

• A stoichiometric air-fuel ratio for petrol engines is around 14.7:1, meaning 14.7 parts of air to 1 part of fuel.

• Different air-fuel ratios can affect engine performance and emissions.

• Lean mixtures have more air and less fuel, while rich mixtures have more fuel and le...read more

Sliders and ejectors are components used in plastic molds to create complex shapes and release the molded part.

• Sliders are components that move horizontally within the mold to create undercuts or complex shapes in the molded part.

• Ejectors are components that push the molded part out of the mold once it has solidified.

• Sliders and ejectors are essential for creating intricate and detailed plastic parts.

• Examples of sliders and ejectors can be found in automotive parts, electroni...read more

PFMEA stands for Process Failure Mode and Effects Analysis, used in engineering to identify potential failure modes in a process.

• PFMEA is a structured approach to identifying and prioritizing potential failure modes in a process.

• It helps in assessing the potential impact of each failure mode and developing preventive actions.

• PFMEA is used in various industries such as automotive, aerospace, manufacturing, and healthcare.

• Example: In automotive industry, PFMEA is used to identi...read more

PFD stands for Process Flow Diagram, used in engineering to show the flow of a process.

• PFD is a schematic representation of a process showing the equipment, piping, control systems, and instrumentation involved.

• It helps engineers understand the process flow, identify potential issues, and optimize the design.

• PFDs are used in various industries such as chemical, petrochemical, pharmaceutical, and food processing.

• They are essential in the design, operation, and maintenance of i...read more

Advanced Product Quality Planning

• APQP is a structured method of defining and establishing the steps necessary to ensure that a product satisfies the customer.

• It is a quality framework used in the automotive industry to ensure that products meet customer requirements.

• APQP involves activities such as design and process validation, production part approval, and control plan development.

APQP is a process used in manufacturing to ensure quality and consistency. PFD is a document that outlines the design of a product. Stamping is a manufacturing process used to shape metal into specific forms.

• APQP stands for Advanced Product Quality Planning and is used to ensure that a product meets customer requirements and is produced efficiently.

• PFD stands for Process Flow Diagram and is a document that outlines the steps involved in manufacturing a product.

• Stamping is a m...read more