Yazaki Interview Questions, Process, and Tips

Geometric Dimensioning and Tolerancing (GD&T) is a system for defining and communicating engineering tolerances.

• GD&T is used to specify the allowable variations in form, size, and orientation of features on a part.

• It uses symbols, such as concentricity, flatness, and perpendicularity, to communicate the desired tolerances.

• GD&T helps ensure that parts fit together properly and function as intended.

• Examples of GD&T symbo...read more

DFM, DFS, and DFA stand for Design for Manufacturing, Design for Service, and Design for Assembly, respectively.

• DFM focuses on designing products that are easy and cost-effective to manufacture.

• DFS focuses on designing products that are easy to service and maintain.

• DFA focuses on designing products that are easy to assemble.

• Consideration of DFM, DFS, and DFA principles can lead to more efficient and cost-effective prod...read more

Shape function is a mathematical function used in finite element analysis to approximate the displacement field within an element.

• Shape functions are typically polynomial functions defined within an element.

• They are used to interpolate the values of the field variable at different points within the element.

• Shape functions are crucial in determining the behavior of the finite element model.

• They are often derived based o...read more

Resistivity is a measure of a material's ability to resist the flow of electric current.

• Resistivity is denoted by the symbol ρ and is measured in ohm-meters (Ω⋅m).

• It is the reciprocal of conductivity, which is a measure of how easily electric current can pass through a material.

• Materials with high resistivity, such as rubber or glass, are insulators, while materials with low resistivity, such as copper or silver, are c...read more

Resistivity can be measured using a four-point probe technique.

• Use a four-point probe setup to measure resistivity

• Apply a known current through the outer two probes

• Measure the voltage drop across the inner two probes

• Calculate resistivity using the formula: resistivity = (voltage/current) * (distance between inner probes/area of inner probes)

• Repeat measurements at different points on the sample for accuracy