DEC Infra EHS Engineer Interview Questions and Answers

Q1. Density of common material like cement, steel, fine and coarse aggregate
Ans. 
Density of common construction materials varies, with cement around 1440 kg/m3, steel around 7850 kg/m3, fine aggregate around 1600-1750 kg/m3, and coarse aggregate around 1200-1750 kg/m3.
• Cement density: 1440 kg/m3

• Steel density: 7850 kg/m3

• Fine aggregate density: 1600-1750 kg/m3

• Coarse aggregate density: 1200-1750 kg/m3
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Q2. Weight of the cube which is made to check the strength of concrete
Ans. 
The weight of the cube used to check the strength of concrete is typically 15 cm x 15 cm x 15 cm and weighs around 29 kg.
• Standard size of cube for testing concrete strength is 15 cm x 15 cm x 15 cm

• Weight of the cube is usually around 29 kg

• The cube is made of concrete from the same batch being tested
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Q3. Ratio of cement mortar for outer and inner wall plastering
Ans. 
The ratio of cement mortar for outer and inner wall plastering varies depending on the type of wall and desired finish.
• The ratio of cement mortar for outer wall plastering is usually 1:4 (1 part cement to 4 parts sand).

• The ratio of cement mortar for inner wall plastering is typically 1:6 (1 part cement to 6 parts sand).

• However, the ratio can vary based on factors such as the type of wall surface, desired finish, and lo...read more
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Q1. What is your goal and do you know how to achieve?
Ans. 
My goal is to become a proficient Site Engineer by gaining experience, knowledge, and skills in the field.
• Continuously seek opportunities to learn and improve technical skills

• Work on various projects to gain practical experience

• Seek mentorship from experienced engineers

• Stay updated with industry trends and technologies

• Obtain relevant certifications to enhance credibility

• Set specific career milestones to track progress
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Q2. After 5 to 6 years, what is your position in your field ?
Ans. 
I envision myself as a Senior Site Engineer leading projects and mentoring junior engineers.
• Leading and managing multiple projects simultaneously

• Mentoring and training junior engineers

• Implementing innovative technologies and practices

• Collaborating with cross-functional teams for successful project delivery
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Q1. What's Your Name
Ans. 
My name is John Smith, a civil engineer with 10 years of experience in infrastructure projects.
• My name is John Smith

• I have 10 years of experience in civil engineering

• I specialize in infrastructure projects
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Q2. Where Your Form
Ans. 
I am currently working at a construction firm in New York City.
• I am currently employed at a construction firm in New York City.

• I have experience working on various infrastructure projects in the city.

• I am familiar with the building codes and regulations in New York City.
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Q1. What Is Concrete
Ans. 
Concrete is a mixture of cement, water, aggregates, and sometimes additives, used in construction for its strength and durability.
• Concrete is made up of cement, water, and aggregates (such as sand and gravel)

• It is a versatile material used in construction for buildings, roads, bridges, and more

• Additives can be included in concrete mixtures to enhance specific properties, such as strength or workability

• Concrete hardens ...read more
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Q2. What Is Structure
Ans. 
Structure in civil engineering refers to the arrangement and organization of elements in a building or infrastructure to support loads and resist forces.
• Structure is the framework or skeleton of a building or infrastructure that supports the weight of the building and its occupants.

• It includes elements such as beams, columns, walls, and foundations that work together to provide stability and strength.

• Structural design ...read more
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Q3. High Rise Building
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Q1. Execution process
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Q2. Building rules and laws
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Q1. Bulding related
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Q2. Bulding work process
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Q3. Bulding detail work
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Q4. Drawing making detail work
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Q5. All detail bulding construction
Ans. 
Building construction involves the process of planning, designing, and constructing structures.
• Building construction includes various stages such as site preparation, foundation construction, structural framing, and finishing.

• It involves the use of materials like concrete, steel, wood, and bricks.

• Construction techniques and methods vary depending on the type of building, such as residential, commercial, or industrial.

• B...read more
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Bulding drawing seen

Work & process detial

Q1. Maivan work know waterproofing work check, brick work, plastering, painting, putty, primary , gypsum work know, falceling, tile marvel, granite, wooden work know, upvc mep railing scating work check,
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Q2. Any question & answer i can speak
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Q1. HR asked about me
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Q1. What are the responsibilities of an site engineer??
Ans. 
Site engineers are responsible for overseeing construction projects, managing workers, ensuring safety regulations are followed, and coordinating with various stakeholders.
• Managing construction projects from start to finish

• Supervising and coordinating construction workers

• Ensuring safety regulations and building codes are followed

• Collaborating with architects, engineers, and subcontractors

• Preparing and presenting progre
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Q2. Execution's & Reduce wastage
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Q1. Self introduction and my career details
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Q2. Its about my previous company details
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Q1. It's all about my experience based technical questions
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Q1. Current Ctc and expected ctc
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Q2. Why you want to change the company
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