Afcons Infrastructure Interview Questions and Answers

SIF stands for Stress Intensification Factor. B31.1 and B31.3 are ASME codes for power piping and process piping, respectively.

• SIF is a factor used to account for the increase in stress at a specific location in a piping system due to various factors such as geometry, loads, and material properties.

• B31.1 is the ASME code for power piping, which covers piping systems typically found in power plants, industrial facilities, and heating systems.

• B31.3 is the ASME code for process ...read more

The calculation to select electrical cable involves considering factors such as current rating, voltage drop, and environmental conditions.

• Determine the maximum current the cable will carry based on the load requirements

• Calculate the voltage drop to ensure it is within acceptable limits

• Consider the environmental conditions like temperature, moisture, and chemical exposure

• Select a cable with appropriate conductor size, insulation type, and voltage rating

• Refer to national and i...read more

Pile foundations are deep foundations that transfer loads to deeper, more competent soil or rock strata, while shallow foundations transfer loads to the near-surface soils.

• Pile foundations are used when the soil at shallow depths is not capable of supporting the structure's load.

• Shallow foundations are typically used for smaller structures with light loads and where the soil is strong enough to support the load.

• Pile foundations can be classified as end-bearing piles, friction...read more

SIF stands for Stress Intensification Factor. It is a dimensionless factor used in piping stress analysis to account for local stress concentrations.

• SIF is used to calculate the maximum stress in a piping system at locations where there are changes in geometry, such as elbows, tees, and reducers.

• It is a multiplier applied to the nominal stress to account for the increased stress caused by the local geometry.

• SIF values are typically obtained from industry standards and codes, ...read more

An gate logic is a digital logic gate that outputs true only when all inputs are true.

• AND gate has two or more inputs and one output

• Output is true only when all inputs are true

• Example: A AND B = Y, where Y is true only when both A and B are true

Designing water resources & waste water systems involves planning, analyzing, and implementing infrastructure to manage water supply and waste disposal.

• Conducting site surveys to assess water availability and waste water disposal needs

• Designing pipelines, pumps, and treatment facilities to transport and treat water and waste water

• Ensuring compliance with environmental regulations and sustainability practices

• Collaborating with other engineers and stakeholders to optimize syste...read more

Reviewing drawings of water resources systems involves analyzing plans, layouts, and specifications to ensure proper design and functionality.

• Examine drawings for accuracy and compliance with regulations

• Check dimensions, materials, and equipment specified in the plans

• Verify that the system design meets the project requirements

• Identify any potential issues or conflicts in the drawings

• Collaborate with other engineers and stakeholders to address any concerns