Tata BlueScope Steel Engineer Trainee Interview Questions and Answers

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Q2. Jobe role in previous company??
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Q1. What is the second law of thermodynamics?
Ans. 
The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.
• Entropy in a closed system tends to increase over time

• Heat energy naturally flows from hot to cold objects

• Efficiency of energy conversion processes is limited by the second law of thermodynamics
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Q2. What is the difference between creep and fatigue?
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Creep is the slow, time-dependent deformation of a material under constant load, while fatigue is the weakening of a material due to repeated loading and unloading.
• Creep is a time-dependent phenomenon, while fatigue is a cyclic phenomenon.

• Creep occurs at high temperatures and constant stress, while fatigue occurs at lower temperatures and varying stress levels.

• Creep leads to permanent deformation, while fatigue can lea...read more
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Q3. What is thermocouple?
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A thermocouple is a temperature sensor that consists of two different metals joined together at one end, which produces a voltage proportional to the temperature difference between the junction and the other end.
• Consists of two different metals joined together at one end

• Produces a voltage proportional to the temperature difference

• Commonly used in industrial applications for temperature measurement
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Q4. What is t-t-t diagram?
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T-t-t diagram is a time-temperature-transformation diagram used in materials science to understand the transformation of phases in a material.
• T-t-t diagram shows the relationship between time, temperature, and the transformation of phases in a material.

• It helps in predicting the microstructure of a material based on the cooling rate and temperature.

• T-t-t diagrams are commonly used in metallurgy to understand the phase
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Q5. What is annealing?
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Annealing is a heat treatment process used to soften metals and increase their ductility.
• Annealing involves heating a metal to a specific temperature and then slowly cooling it to room temperature.

• This process helps to relieve internal stresses, improve machinability, and enhance electrical conductivity.

• Examples of metals that are commonly annealed include steel, copper, and aluminum.
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Q6. What is the critical temperature of steel?
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The critical temperature of steel is the temperature at which it loses its magnetic properties.
• The critical temperature of steel is around 770°C (1420°F).

• Above this temperature, steel becomes non-magnetic and undergoes a phase change.

• The critical temperature varies depending on the type of steel and its composition.
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Q7. Types of steel?how we can differentiate them?
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Types of steel include carbon steel, alloy steel, stainless steel, and tool steel. They can be differentiated based on their composition, properties, and applications.
• Carbon steel contains primarily carbon and iron, with low amounts of other elements. It is commonly used in construction and manufacturing.

• Alloy steel contains additional elements such as manganese, silicon, and copper to enhance its properties. It is use...read more
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Q1. Product oriented process
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Q2. Machine name & capacity of current company
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The machine name at my current company is XYZ-2000 and it has a capacity of 500 units per hour.
• Machine name: XYZ-2000

• Capacity: 500 units per hour
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Q1. Basic questions like Current Salary Expected Salary, Why you want to leave.
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Q1. Basic Domain questions
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Q1. HOD's basic technical questions
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Q1. Salary Negotiation ,
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Q1. Cad test taken by manager
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Q1. Tell me about your self?
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Q2. Family background question like what my parents do, what my brother do?
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Q3. My previous work company related questions
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Q4. My present company related questions like do you know about slr metaliks ltd, slr metaliks main products etc
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Q1. Centrifugal pump & reciprocating pump different
Ans. 
Centrifugal pumps use impellers to create a flow, while reciprocating pumps use pistons or diaphragms to create pressure.
• Centrifugal pumps are more commonly used for high flow rate, low pressure applications.

• Reciprocating pumps are better suited for high pressure, low flow rate applications.

• Centrifugal pumps are generally more efficient than reciprocating pumps.

• Examples of centrifugal pumps include water pumps and sewa...read more
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Q2. What is bearing?type of bearing? identify bearing like -30215
Ans. 
A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts.
• Bearings are used in various applications such as automobiles, airplanes, and industrial machinery.

• There are different types of bearings such as ball bearings, roller bearings, and plain bearings.

• 30215 is a tapered roller bearing commonly used in automotive and industrial applications.
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Q3. Gear box use? Gear box check list ? Which company gear box use
Ans. 
Gear boxes are used in various machines to control speed and torque. Different companies manufacture gear boxes with varying specifications.
• Gear boxes are used in automobiles, industrial machinery, and wind turbines.

• A gear box checklist includes checking for leaks, proper lubrication, and wear and tear of gears.

• Companies like Siemens, Bonfiglioli, and SEW Eurodrive manufacture gear boxes.

• The choice of gear box depends
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Q4. Belt specifications , conveyor belt maintenance question, type of safety use in conveyor line etc
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Q5. Motor specifications, company name
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Q6. Previous company Compressor pressure, motor power , motor rpm
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Q7. V -belt 1 break then what you do 1 belt change or a set of belt change
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