Saint-Gobain Civil Site Engineer Project Engineer Interview Questions and Answers

Q1. Sfd and bmd questions
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Q2. Calculation of earthquake loads
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Earthquake loads are calculated using seismic design codes and formulas based on the seismic hazard of the region.
• Determine the seismic hazard of the region using historical data and seismic maps

• Select a seismic design code such as ASCE 7 or Eurocode 8

• Calculate the seismic base shear using the formula V = CsW

• Distribute the seismic base shear to the structure using the appropriate load combinations

• Consider the effects o...read more
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As per your cv details

Q1. What you have done in your site?
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Q2. What is your role in your site?
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Q3. Why i will hire you?
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It is very difficult test to pass

Q1. Technical interview of concrete
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Q1. What is hydration process during casting of concrete?
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Hydration process is the chemical reaction between cement and water which results in the hardening of concrete.
• Hydration process starts as soon as water is added to cement.

• The reaction produces heat and causes the mixture to harden and gain strength.

• The process continues for weeks and even months, resulting in a stronger and more durable concrete.

• The amount of water used in the mixture affects the hydration process and...read more
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Q2. Concrete strength depend ?
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Concrete strength depends on various factors.
• Water-cement ratio

• Type and quality of cement

• Aggregate size and shape

• Curing conditions

• Mix design

• Age of concrete

• Temperature and humidity

• Presence of admixtures
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Q3. Why used send in concrete mixer
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Water is added to concrete mixer to make the mixture more workable and to achieve the desired consistency.
• Water is added to hydrate the cement and activate the chemical reaction that causes it to harden

• The amount of water added affects the strength and durability of the concrete

• Too much water can weaken the concrete and cause cracking

• The water should be added gradually and mixed thoroughly to ensure even distribution

• Ot...read more
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Q1. 1.Describe about the projects handled, 2.different methods of dynamic analysis, 3.difference between modal combination methods, 4.describe about the toughest project you have done and why do you think i...read more
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Answering questions related to projects, dynamic analysis, toughest project, pile foundations, and steel connection design.
• Projects handled: Mention the types of projects, their scale, and your role in them.

• Dynamic analysis methods: Explain different methods like time history analysis, response spectrum analysis, etc.

• Modal combination methods: Discuss different methods like CQC, SRSS, ABS, etc., and their differences.

• T...read more
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Q1. What difference between OPC 43&53 cement. What will happen if use 43 OPC instead 53 OPC for M35.
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OPC 43 and 53 cement differ in their compressive strength. Using 43 OPC instead of 53 OPC for M35 concrete may result in lower strength.
• OPC 43 cement has a compressive strength of 43 MPa, while OPC 53 cement has a compressive strength of 53 MPa.

• The higher compressive strength of OPC 53 cement makes it more suitable for structural applications.

• Using OPC 43 cement instead of OPC 53 cement for M35 concrete may result in l...read more
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