Afcons Infrastructure Senior Design Engineer Interview Questions, Process, and Tips

There are multiple methods used to forecast population.

• Demographic analysis

• Cohort-component method

• Time series analysis

• Mathematical models

• Survival analysis

• Migration analysis

ESR capacity can be calculated by measuring the equivalent series resistance (ESR) of a component or circuit.

• ESR capacity is determined by measuring the ESR of the component or circuit.

• ESR is the resistance that exists in series with the ideal capacitance of a component.

• To calculate ESR capacity, use an ESR meter or measure the voltage drop across a known current.

• ESR capacity is important in determining the performance...read more

Peak factors are used in distribution design to account for peak loads and ensure safe and efficient operation.

• Peak factors are used to determine the maximum load that a distribution system can handle.

• They take into consideration factors such as diversity of loads, power factor, and future growth.

• For example, a peak factor of 1.5 means that the system should be designed to handle 50% more than the average load.

• Peak fac...read more

The minimum residual pressure in SVS refers to the lowest pressure that remains in the system after it has been depressurized.

• The minimum residual pressure is important to ensure the system is properly depressurized and safe for maintenance or repair.

• It is typically measured in units of pressure, such as psi or bar.

• The specific value of the minimum residual pressure can vary depending on the design and requirements of ...read more

Components in a water supply scheme include pipes, pumps, valves, storage tanks, and treatment facilities.

• Pipes: Used to transport water from the source to the distribution network.

• Pumps: Provide the necessary pressure to move water through the system.

• Valves: Control the flow and direction of water within the scheme.

• Storage tanks: Store water for peak demand periods or emergencies.

• Treatment facilities: Purify and disin

The design period for distribution system and headwork refers to the expected lifespan or duration for which the system is designed to function effectively.

• The design period is determined based on factors such as expected growth, technological advancements, and maintenance requirements.

• It is important to consider the long-term needs and goals of the distribution system and headwork when determining the design period.

• Fo...read more

The design period for pumping machinery and ESR refers to the intended lifespan or duration of operation for the equipment.

• The design period is typically determined based on factors such as expected usage, maintenance requirements, and technological advancements.

• It is important to consider the design period when selecting materials, components, and manufacturing processes to ensure durability and reliability.

• For exampl...read more