N G Gadhiya Infrastructure Civil Engineer Interview Questions and Answers

Q1. Qty of cement in M25 grade concrete
Ans. 
The quantity of cement in M25 grade concrete is 350 kg/m³.
• M25 grade concrete has a mix proportion of 1:1:2 (cement:sand:aggregate).

• The total volume of concrete is taken as 1 m³.

• Therefore, the quantity of cement required for 1 m³ of M25 grade concrete is 350 kg.

• This is calculated by multiplying the volume of concrete by the proportion of cement in the mix.
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Q2. Exact weight of different dia of steel
Ans. 
The weight of steel varies with its diameter.
• The weight of steel can be calculated using the formula: weight = volume x density

• The density of steel is approximately 7850 kg/m³

• The volume of steel can be calculated using the formula: volume = pi x (diameter/2)² x length

• For example, a 10mm diameter steel rod with a length of 1 meter would weigh approximately 0.393 kg
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Q3. Process of waterproofing
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Waterproofing is the process of making a structure or object resistant to water penetration.
• Identify the areas that need waterproofing such as roofs, walls, and foundations.

• Clean and prepare the surface to be waterproofed.

• Apply a waterproofing membrane or coating such as bituminous, acrylic, or polyurethane.

• Ensure proper drainage and slope to prevent water accumulation.

• Test the waterproofing system for leaks and make n...read more
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Q4. Conversion of brass to Cum
Ans. 
Conversion of brass to Cum
• Brass is an alloy of copper and zinc, while Cum is not a known substance

• It is not possible to convert brass to Cum

• Perhaps the question is referring to a different substance or material
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Q1. Technical questions
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Q1. Technical questions
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Q1. Salary discussion
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Written paper as per site and codes

It’s about Quality and execution with VP and audit team

Q1. Salary discussion
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Q2. Joining procedures and company policy
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Q1. Instruments code in use lab
Ans. 
The instruments code in use in the lab refers to the unique identification numbers assigned to the equipment used for testing and analysis.
• Instruments code helps in tracking and identifying specific equipment.

• It ensures traceability and accountability in the lab.

• Examples of instruments code include serial numbers, barcodes, or RFID tags.
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Q2. Testing and specifications codes
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Q1. Discussion about College time studies
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Q2. Hobbies and Managing
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QA QC related questions

Q1. 1.Tell me about your self. 2.why join Ashar 3.current roles and responsibilities 4.current CTC 5.expected CTC 6.why r u leaving your current organisation 7.How to judge your expected CTC amount can u brief
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Q1. Starts with basic technical concepts with deep and deep (How and why) then discussion with current work experience in detail with difficulty faced on (How and Why)...last que Why we should select you
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Q1. Mivan setting and drawing
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Q2. Slab checking slab cycle
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Q3. Interior change in drawing
Ans. 
Interior change in drawing refers to modifying the internal elements of a design or blueprint.
• Identify the specific elements that need to be changed

• Consider the impact of the changes on the overall design

• Update the drawing with the new interior layout

• Ensure that the changes align with the project requirements
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Q4. Bathroom waterproofing and plumbing
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Q5. Estimation and costing
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Q6. Bar bending schedule
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