Passive Infra Projects Production Engineer Interview Questions and Answers

Q1. Wire Drawing related
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Q2. Type of wire manufacturing of process
Ans. 
Wire manufacturing processes include drawing, annealing, stranding, and insulation.
• Wire manufacturing starts with the drawing process, where a metal rod is pulled through a series of dies to reduce its diameter.

• Annealing is then performed to relieve stress and improve the wire's ductility.

• Stranding involves twisting multiple wires together to form a cable or conductor.

• Insulation is applied to protect the wire and provi...read more
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Q3. Technology drafting
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Q1. Tell me about your current job profile.
Ans. Answer it calmly, since HR wants to know that how much in depth you involve in your project. So answer him about project briefly, from name of project, it's location, main product, it's tonnage, it's capacity etc.
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Q1. What are different types of steel bridges?
Ans. 
Different types of steel bridges include truss bridges, arch bridges, suspension bridges, and cable-stayed bridges.
• Truss bridges: made of interconnected triangles for support (e.g. Golden Gate Bridge)

• Arch bridges: curved structure supporting weight (e.g. Sydney Harbour Bridge)

• Suspension bridges: main cables supporting the bridge deck (e.g. Akashi Kaikyo Bridge)

• Cable-stayed bridges: cables directly connected to the brid
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Q2. What are different axle capacity in open web bridges?
Ans. 
Different axle capacities in open web bridges vary depending on the design and materials used.
• Axle capacities can range from 10 tons to over 100 tons depending on the bridge design and intended use.

• Common axle capacities for open web bridges include 20 tons, 40 tons, and 80 tons.

• Factors such as bridge span, width, and material strength influence the axle capacity of a bridge.
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Q3. What are different IS codes follow to fabricate open web girders?
Ans. 
Different IS codes followed for fabricating open web girders include IS 800:2007, IS 806:1968, and IS 11384:1985.
• IS 800:2007 - General construction in steel - Code of practice

• IS 806:1968 - Code of practice for use of steel tubes in general building construction

• IS 11384:1985 - Code of practice for composite construction
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Q4. What are different methods of blasting or cleaning of scales of raw material?
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Methods of blasting or cleaning scales of raw material include mechanical cleaning, chemical cleaning, and thermal cleaning.
• Mechanical cleaning involves using abrasive materials like sand or steel shot to physically remove scales from the raw material surface.

• Chemical cleaning utilizes acids or other chemicals to dissolve and remove scales from the raw material.

• Thermal cleaning involves using heat to burn off or melt a...read more
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Q1. About the life of furnace inhencement.
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Q2. Temperature control during operation.
Ans. 
Temperature control is crucial for efficient and safe production processes.
• Temperature control systems must be in place and regularly maintained.

• Monitoring of temperature levels should be done regularly to ensure consistency.

• Proper insulation and ventilation should be considered to prevent temperature fluctuations.

• Temperature alarms and emergency shutdown systems should be installed as a safety measure.

• Examples of temp...read more
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Q3. S/P removal metallurgy
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Questions related to your position and department

Q1. Technical questions related to your skills, experience and knowledge
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Q1. Questions related to previous profile and experience
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Q1. Payment expectations
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Q1. Iron carbon diagram
Ans. 
Iron carbon diagram shows the phases of iron and carbon at different temperatures.
• Iron carbon diagram is a graphical representation of the phases of iron and carbon at different temperatures.

• It helps in understanding the microstructure of steel and cast iron.

• The diagram shows the phases such as austenite, ferrite, cementite, and pearlite.

• It is used in heat treatment processes to control the properties of steel.
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Q1. Wire Drawing related
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Q2. Type of wire manufacturing of process
Ans. 
Wire manufacturing processes include drawing, annealing, stranding, and insulation.
• Wire manufacturing starts with the drawing process, where a metal rod is pulled through a series of dies to reduce its diameter.

• Annealing is then performed to relieve stress and improve the wire's ductility.

• Stranding involves twisting multiple wires together to form a cable or conductor.

• Insulation is applied to protect the wire and provi...read more
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Q3. Technology drafting
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