NU Vista Senior Technical Support Engineer Interview Questions and Answers

Q1. Cements tests, concrete tests,
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Q1. Salary Discussion
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Q1. Leaching of lime IST FST
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Leaching of lime IST FST
• Leaching is the process of extracting a substance from a solid material using a liquid solvent

• Lime is commonly used in leaching processes to extract metals from ores

• IST (In Situ Treatment) involves treating the contaminated material in place

• FST (Full Scale Treatment) involves removing the contaminated material and treating it elsewhere
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Q2. LOI LSF CSH GELL and IS Code
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Q1. Personal interview mainly focus on cement Q 1. Different btw OPC and PPC cement
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Q2. Zone of sand, slump cone test, RCC code, water curing
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Q3. Types of cement and it's use Physics properties of cement Design mix of concrete
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Types of cement include Portland cement, slag cement, and fly ash cement. Physics properties include setting time, strength, and durability. Design mix of concrete involves proportions of cement, water, aggregates, and admixtures.
• Types of cement: Portland cement, slag cement, fly ash cement

• Physics properties: setting time, strength, durability

• Design mix of concrete: proportions of cement, water, aggregates, admixtures
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Some of common aptitude based questions, some trick question

Q1. What information related to construction should be given to the consumer on the site?
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Consumers should be provided with information related to construction materials, processes, timelines, costs, and warranties.
• Details about the construction materials being used

• Information on the construction processes involved

• Estimated timelines for completion of the project

• Breakdown of costs including labor, materials, and any additional fees

• Warranty information for the construction work
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Q2. What is slump test done for
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Slump test is done to measure the workability of concrete.
• It is used to determine the consistency and fluidity of freshly mixed concrete.

• The test involves filling a mold with concrete, then removing the mold and measuring how much the concrete slumps or sags.

• The amount of slump indicates the water content and workability of the concrete.

• A higher slump value indicates a more workable mix, while a lower slump value indic...read more
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Q3. What is IS Code of cement and steel
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IS Code of cement and steel are standards set by the Bureau of Indian Standards for quality and safety.
• IS Code for cement is IS 269:1989

• IS Code for steel is IS 1786:2008

• These codes ensure quality, safety, and reliability of construction materials

• Following IS Codes is mandatory for construction projects in India
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Q1. Previous company and achievements
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Q1. Details of work and cement and material
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