20+ Amazon Interview Questions and Answers

Segment casting can be done using various methods depending on the material and application.

• One method is sand casting, where a mold is created using sand and the molten metal is poured into it.

• Another method is investment casting, where a wax pattern is created and coated with ceramic before the metal is poured.

• Die casting is a method where molten metal is forced into a mold under high pressure.

• Continuous casting is used for producing long, continuous sections of metal.

• Centr...read more

Load-bearing capacity in structural engineering refers to the maximum load a structure can support without failing.

• Load-bearing capacity is determined by factors such as material strength, design, and support conditions.

• Structural engineers calculate load-bearing capacity to ensure safety and prevent structural failure.

• Examples of load-bearing elements include columns, beams, and foundations.

• Load-bearing capacity can be increased through reinforcement or redesign of the struc...read more

A geotechnical investigation is conducted to assess the soil and rock conditions at a site for construction projects.

• Determines the suitability of the site for construction

• Identifies potential risks such as landslides, soil liquefaction, or sinkholes

• Helps in designing foundations and earthworks

• Involves drilling boreholes, taking soil samples, and conducting laboratory tests

• Results in a geotechnical report with recommendations for construction

Residual Camber is the amount of curvature that remains in a structural member after it has been manufactured or formed.

• Residual Camber is a common term used in the field of structural engineering.

• It refers to the amount of curvature that remains in a structural member after it has been manufactured or formed.

• It is typically measured as the difference between the actual curvature and the desired or intended curvature of the member.

• Residual Camber can occur in various types of...read more

Launching a girder at height involves careful planning and execution.

• Ensure proper lifting equipment and rigging are used

• Conduct a thorough risk assessment and develop a detailed lifting plan

• Coordinate with a team of skilled personnel to ensure safe and efficient execution

• Use cranes or other lifting devices to hoist the girder to the desired height

• Ensure proper alignment and positioning of the girder during the lifting process

• Monitor and control the lifting operation to mitig...read more

The maximum bending moment occurs at the points of maximum deflection in a structural element.

• Bending moment is the internal moment that causes a structural element to bend.

• The maximum bending moment typically occurs at the points of maximum deflection in a beam or girder.

• These points are usually located at the supports or at concentrated loads.

• The bending moment can be calculated using structural analysis methods such as the moment distribution method or finite element analy...read more

Yes, I am familiar with torquing on HSFG bolts.

• Torquing refers to the process of tightening bolts to a specific torque value.

• HSFG stands for High Strength Friction Grip, which is a type of bolt used in structural applications.

• Torquing on HSFG bolts is important to ensure proper clamping force and prevent loosening.

• The torque value for HSFG bolts is typically specified by the manufacturer or engineering standards.

• Using a torque wrench or other torque measuring device is necess...read more

To maintain positive camber, adjust the suspension components and alignment angles.

• Check and adjust the camber angle using a camber gauge

• Inspect and replace worn or damaged suspension components

• Adjust the suspension height or preload

• Ensure proper alignment of the wheels

• Use shims or adjustable control arms to fine-tune the camber angle

Matching hole fairness involves ensuring that the dimensions and alignment of holes in mechanical components meet specified standards.

• Use precision measuring tools like calipers and micrometers to measure hole dimensions

• Check hole alignment using alignment pins or laser alignment tools

• Compare measured dimensions and alignment with specified tolerances

• Use visual inspection to check for burrs, rough edges, or other surface imperfections

• Ensure proper hole chamfer or countersink ...read more

Shuttering materials are used in construction for creating formwork to support concrete until it sets.

• Types include timber, plywood, steel, aluminum, and plastic

• Timber is commonly used for small projects and is cost-effective

• Plywood is versatile and can be reused multiple times

• Steel is durable and suitable for heavy-duty projects

• Aluminum is lightweight and corrosion-resistant

• Plastic is easy to handle and can be used for curved surfaces

Precast structures are pre-made concrete elements used in construction.

• Precast segments are manufactured off-site and transported to the construction site for assembly.

• They are commonly used in bridge construction, tunnels, and other large-scale infrastructure projects.

• Precast segments can be designed to fit specific project requirements, reducing construction time and costs.

• They offer high durability and strength, and can withstand harsh weather conditions and heavy loads.

• Ex...read more

The process for receiving materials involves inspection, documentation, storage, and updating inventory records.

• Materials are received at the designated receiving area

• Received materials are inspected for quality and quantity

• Documentation such as delivery notes and invoices are checked and signed off

• Materials are then stored in the appropriate location in the warehouse

• Inventory records are updated to reflect the new stock levels

My best skill in the construction field is project management.

• Strong project planning and scheduling abilities

• Effective communication with stakeholders

• Proven track record of delivering projects on time and within budget

Design mix of concrete refers to the proportion of materials used in making concrete.

• Design mix is determined based on the strength and durability requirements of the concrete.

• The mix includes cement, water, aggregates (sand, gravel, crushed stone), and sometimes admixtures.

• The proportions of each material are specified in terms of weight or volume.

• For example, a common mix for general use is 1:2:3 (cement:sand:gravel) by volume.

• Design mix can be adjusted based on factors suc...read more

Segment casting is a method of casting concrete segments for tunnel lining.

• Segments are cast in a factory and transported to the tunnel site.

• Segments are then assembled to form a complete tunnel lining.

• This method is commonly used in tunnel construction projects.

• It allows for faster construction and better quality control.

• Examples include the Channel Tunnel and the SMART Tunnel in Malaysia.

Grade of concrete refers to its strength and durability.

• Grade of concrete is denoted by a number followed by 'M' which stands for mix.

• The number represents the compressive strength of concrete in megapascals (MPa).

• Common grades of concrete include M10, M20, M30, etc.

• Higher grade concrete has higher strength and durability.

• For example, M20 grade concrete has a compressive strength of 20 MPa.

Best quality management policy at site achieved through a comprehensive approach.

• Establishing clear quality objectives and targets

• Implementing a quality management system

• Providing regular training and development opportunities for staff

• Conducting regular audits and inspections

• Encouraging a culture of continuous improvement

• Ensuring compliance with relevant regulations and standards

Cable (stress) is provided in bridge to increase its load carrying capacity and improve its stability.

• Cable (stress) helps to distribute the load of the bridge evenly.

• It reduces the amount of material required for construction.

• It also helps to improve the stability of the bridge.

• Cable (stress) is commonly used in suspension bridges.

• It allows for longer spans to be constructed without the need for additional support.

• Cable (stress) also helps to reduce the effects of wind and s...read more

We purchase aggregate from authorized suppliers and vendors who provide high-quality materials at competitive prices.

• We purchase aggregate from authorized suppliers and vendors.

• We ensure that the materials are of high quality and meet our standards.

• We look for competitive prices to ensure cost-effectiveness.

• Examples of suppliers include ABC Construction Supplies and XYZ Aggregate Co.

Material lay at site and delay in consumption refers to the situation where materials are present at the site but are not being used in a timely manner.

• This can happen due to various reasons such as lack of proper planning, inefficient communication, or unexpected changes in project timelines.

• For example, if a construction project is delayed due to weather conditions, the materials that were delivered to the site may lay unused until the work can resume.

• Inadequate storage fac...read more

Inventory refers to the goods and materials a business holds for the purpose of resale or use in production.

• Inventory includes raw materials, work-in-progress, and finished goods.

• It is an essential part of supply chain management.

• Inventory management involves tracking, storing, and replenishing inventory.

• Examples of inventory include merchandise in a retail store, spare parts in a manufacturing plant, and office supplies in a corporate office.

Labour Cess is a tax levied on the cost of construction or maintenance work carried out by an employer.

• Labour Cess is a tax imposed by the government on the cost of construction or maintenance work.

• It is levied on the employer and not the employee.

• The rate of Labour Cess varies from state to state.

• The collected amount is used for the welfare of construction workers.

• For example, if the cost of construction is Rs. 1,00,000 and the Labour Cess rate is 1%, then the employer has t...read more

Civil engineers work with a variety of materials including concrete, steel, asphalt, and wood.

• Common materials used in civil engineering include concrete, steel, asphalt, wood, and aggregates.

• Concrete is used for foundations, roads, and structures.

• Steel is used for beams, columns, and reinforcement.

• Asphalt is used for roads and pavements.

• Wood is used for formwork, bridges, and buildings.

• Aggregates are used in concrete and road construction.

Yes, I am familiar with ERP systems and have experience using them in previous roles.

• I have used ERP systems such as SAP, Oracle, and Microsoft Dynamics in my previous roles.

• I am proficient in entering and retrieving data from ERP systems to track inventory, manage purchases, and generate reports.

• I have experience customizing ERP systems to meet the specific needs of the organization.

• I am comfortable training others on how to use ERP systems effectively.

HSE techniques focus on preventing accidents and promoting a safe work environment, resulting in improved employee well-being and productivity.

• Implementing risk assessments to identify potential hazards

• Providing safety training to employees on proper procedures and equipment usage

• Regularly conducting safety inspections and audits to ensure compliance with regulations

• Encouraging employee involvement in safety programs and reporting of near misses

• Utilizing technology such as we...read more