TCS Interview Questions and Answers

Casting is a manufacturing process in which a liquid material is poured into a mold and allowed to solidify into the desired shape. Casting defects are imperfections that occur during this process.

• Casting involves pouring molten metal, plastic, or other materials into a mold to create a specific shape.

• Common casting defects include porosity, shrinkage, cold shuts, misruns, and inclusions.

• Porosity is the presence of air pockets or voids in the casting, which can weaken the str...read more

There are two main types of casting: expendable mold casting and permanent mold casting.

• Expendable mold casting includes sand casting, investment casting, and plaster mold casting.

• Permanent mold casting includes die casting and centrifugal casting.

Manufacturing is the process of producing goods through the use of labor, machines, tools, and chemical or biological processing.

• Manufacturing involves transforming raw materials into finished products

• It includes processes such as cutting, shaping, assembling, and packaging

• Examples include automobile manufacturing, electronics production, and food processing

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 is achieved through continuous improvement and prevention of defects.

• Examples include high durability of a product, low defect rate in manufacturing, and excellent customer service.

Tolerance is the acceptable range of variation in a measurement or dimension.

• Tolerance is the maximum and minimum limits within which a product or process must operate to meet specifications.

• It ensures that parts fit together properly and function correctly.

• Examples include the tolerance on the diameter of a shaft or the thickness of a sheet of metal.