Tata Steel
Kandimalla &co Interview Questions and Answers
Q1. What is quality inspection,what is CCL process ?
Quality inspection is the process of checking products or services to ensure they meet specified requirements. CCL process stands for Critical Control Limits process.
Quality inspection involves examining products or services to ensure they meet quality standards and specifications.
CCL process refers to setting critical control limits to monitor and control the quality of products or services.
Quality inspectors use various tools and techniques such as visual inspection, measur...read more
Q2. What is quality CCL line hazards and safety?
Quality CCL line hazards and safety refer to potential risks and precautions in the production process of copper-clad laminates.
Identifying and mitigating electrical hazards such as short circuits and electrical shocks
Ensuring proper ventilation to prevent exposure to harmful chemicals during the manufacturing process
Implementing safety protocols for handling heavy machinery and equipment
Regular maintenance of equipment to prevent malfunctions and accidents
Providing proper tr...read more
Q3. Define malleability and ductility.
Malleability is the ability of a material to be deformed under compression, while ductility is the ability to be stretched without breaking.
Malleability refers to a material's ability to be hammered or rolled into thin sheets.
Ductility refers to a material's ability to be drawn into wires or stretched without breaking.
Both malleability and ductility are properties of metals.
Examples of malleable materials include gold and aluminum.
Examples of ductile materials include copper ...read more
Q4. What are CCL coating prosess?
CCL coating process involves applying a conductive layer to a substrate for use in electronic components.
CCL stands for Copper Clad Laminate.
The coating process typically involves cleaning the substrate, applying a layer of copper, and then etching away excess copper to create circuit patterns.
The conductive layer helps in the transmission of electrical signals in electronic devices.
Examples of CCL coating processes include electroless copper deposition and electroplating.
Q5. Least count of micrometer
The least count of a micrometer is the smallest measurement that can be read on the scale.
The least count is determined by the number of divisions on the scale and the pitch of the screw.
For example, a micrometer with 50 divisions on the scale and a pitch of 0.5 mm would have a least count of 0.01 mm.
It is important to use the correct least count when taking measurements to ensure accuracy.
Q6. Brittleness with example
Brittleness is the tendency of a material to break or shatter easily under stress.
Brittleness is a property of materials that lack ductility and toughness.
Brittle materials are prone to fracture without significant deformation.
Examples of brittle materials include glass, ceramics, and some metals like cast iron.
When a glass bottle falls on a hard surface and shatters into pieces, it is an example of brittleness.
Q7. Name 2 refrigerants
Refrigerants are substances used in cooling systems to transfer heat and maintain low temperatures.
Refrigerant R-134a (1,1,1,2-Tetrafluoroethane) is commonly used in automotive air conditioning systems.
Refrigerant R-410A (Puron) is a non-ozone depleting blend of hydrofluorocarbons used in residential and commercial air conditioning systems.
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