Vibrant Infocom QA QC Engineer Interview Questions and Answers

Q1. About Quality testing procedures
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Q2. Regarding IS codes
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Q3. Regarding site inspection
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Q1. What is the difference between AC (Alternating Current) and DC (Direct Current) systems?
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Q2. What do you know about Switch Mode Power Supplies (SMPS)?
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Q1. Releted for new build site in telecom
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Q1. About your self
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Q2. Past experience
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Q1. What is the ARC?
Ans. 
The ARC (Automotive Refinish Coatings) is a type of coating used in the automotive industry for refinishing vehicles.
• Used in the automotive industry for refinishing vehicles

• Provides protection and aesthetic appeal to vehicles

• Includes primers, basecoats, and clearcoats

• Examples: PPG, Axalta, Sherwin-Williams
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Q2. What is the PPC?
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PPC stands for Production Part Approval Process, a standardized process in the automotive industry to ensure the quality of parts produced by suppliers.
• PPC is a standardized process used in the automotive industry to ensure that suppliers produce parts that meet the required quality standards.

• It involves a series of steps including submission of samples, documentation review, and approval of the production process.

• PPC ...read more
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Q1. Before work and study level
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Q1. Work experience based
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Q1. About power electrical and instrumentation
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Q2. About Machine. Transformers,motor instrument
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Q1. What are the different grades of material you have worked on
Ans. I have experience on working with materials SA-516 Gr. 70 and IS-2062 in MS, SS316, SS304, Inconel and Monel
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Q2. What is material specification for piping, forgings fittings tubes fasteners for MS materials
Ans. 
Material specifications for piping, forgings, fittings, tubes, and fasteners for MS materials include ASTM standards and specific grades.
• ASTM A53/A53M - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

• ASTM A105/A105M - Standard Specification for Carbon Steel Forgings for Piping Applications

• ASTM A234/A234M - Standard Specification for Piping Fittings of Wrought Carbon Steel ...read more
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Q3. What is the difference between SS316 and SS304
Ans. 
SS316 has higher corrosion resistance and strength compared to SS304.
• SS316 contains molybdenum which enhances its corrosion resistance, while SS304 does not.

• SS316 is more suitable for use in harsh environments like marine applications, while SS304 is more commonly used in indoor settings.

• SS316 has higher tensile strength and creep strength than SS304.
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Q4. Difference between SS316L and SS316
Ans. 
SS316L has lower carbon content than SS316, making it more corrosion resistant and suitable for welding applications.
• SS316L has lower carbon content (0.03% max) compared to SS316 (0.08% max)

• SS316L is more corrosion resistant due to the lower carbon content

• SS316L is commonly used in welding applications where post-weld annealing is not possible

• SS316 is more commonly used in applications where higher strength is required
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Q5. Where do we refer the remaining chemical composition for SA-516 Gr. 70 plates
Ans. 
Refer to ASME Section II Part A for remaining chemical composition of SA-516 Gr. 70 plates
• Refer to ASME Section II Part A for detailed chemical composition

• Check the material test report (MTR) for specific chemical composition

• Consult with the manufacturer or supplier for any additional information
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