Tata Electronics Interview Questions and Answers

The thickness of powder coating and CED varies depending on the specific application and requirements.

• The thickness of powder coating is typically measured in mils (thousandths of an inch) or micrometers.

• The desired thickness of powder coating can vary depending on factors such as the type of substrate, the intended use of the coated object, and the desired level of protection.

• For example, in automotive applications, the powder coating thickness for exterior parts may range f...read more

The 7 tank powder coating process involves seven stages of cleaning and preparation before the actual powder coating is applied.

• Degreasing

• Rinsing

• Surface conditioning

• Phosphate coating

• Rinsing

• Drying

• Powder coating

8D is a problem-solving methodology used to identify, correct, and prevent recurring problems.

• 8D stands for 8 Disciplines

• It is a structured approach to problem-solving

• It involves a team-based approach

• The 8 disciplines include steps such as defining the problem, identifying root cause, implementing corrective actions, and preventing recurrence

• It is commonly used in the automotive and manufacturing industries

Heat treatments are processes used to alter the physical and mechanical properties of materials through heating and cooling.

• Annealing

• Quenching

• Tempering

• Normalizing

• Hardening

• Case hardening

Kanban is a lean manufacturing system for just-in-time production, while Poka-yoke is a technique for mistake-proofing processes.

• Kanban is a visual system that helps manage inventory and production flow.

• It involves using cards or signals to indicate when to produce and deliver items.

• Pokayoke is a method of mistake-proofing that aims to prevent errors from occurring.

• It involves designing processes and tools in a way that makes it impossible to make mistakes.

• For example, a car ...read more

UTS is the maximum stress a material can withstand before breaking, while yield strength is the stress at which a material begins to deform plastically.

• UTS stands for Ultimate Tensile Strength

• Yield strength is also known as the yield point

• UTS is the maximum stress a material can withstand before breaking

• Yield strength is the stress at which a material begins to deform plastically

• Yield strength is always lower than UTS

• Both UTS and yield strength are important factors in determ...read more

Quality is meeting or exceeding customer expectations. 5S is a methodology for workplace organization and efficiency.

• Quality is achieved by meeting or exceeding customer expectations

• 5S is a methodology for workplace organization and efficiency

• The 5S's are Sort, Set in Order, Shine, Standardize, and Sustain

• Sort involves removing unnecessary items from the workplace

• Set in Order involves organizing the remaining items in a logical and efficient manner

• Shine involves cleaning and ...read more

Mechanical instruments are tools used to measure, analyze, and control mechanical systems.

• Examples include calipers, micrometers, torque wrenches, and pressure gauges.

• They are used in manufacturing, construction, and maintenance industries.

• Mechanical instruments are essential for ensuring quality and safety in mechanical systems.