Apco Infratech Interview Questions, Process, and Tips

Using a soil compactor on GSB & WMM layers with a deadload of 12 tons or above can lead to excessive compaction and potential damage to the layers.

• Excessive compaction can result in reduced permeability of the layers, affecting drainage.

• The excessive force from the compactor can cause cracking or deformation in the layers.

• It may also lead to uneven settlement and structural instability in the pavement.

• Proper evaluation...read more

SMA layer is used in high speed expressways for its superior durability, rut resistance, and fatigue resistance.

• SMA (Stone Matrix Asphalt) layer provides superior durability compared to traditional asphalt mixes.

• SMA layer has excellent rut resistance, maintaining a smooth surface for high speed traffic.

• The high binder content in SMA enhances fatigue resistance, reducing cracking and extending pavement life.

• SMA mixtures...read more

Toe and heel are parts of a retaining wall. Toe refers to the non-earth portion while heel refers to the earth portion.

• Toe and heel are terms used in the context of retaining walls.

• Toe refers to the non-earth portion of the wall.

• Heel refers to the earth portion of the wall.

• Toe provides stability and prevents sliding of the wall.

• Heel provides support and resists the pressure exerted by the earth.

• Toe and heel are importa...read more

There are various types of concrete used in construction, each with different strength and durability characteristics.

• Concrete is classified based on its compressive strength, measured in megapascals (MPa).

• Common types of concrete include M5, M7.5, M10, M15, M20, M25, M30, M35, M40, M45, and M50.

• The number after 'M' represents the compressive strength of the concrete in MPa.

• For example, M20 concrete has a compressive s...read more

A Kuplak pipe can withstand a load of 4 tons.

• The load-bearing capacity of a Kuplak pipe is 4 tons.

• This information is specific to Kuplak pipes and may vary for other types of pipes.

• It is important to consider the weight distribution and other factors when determining the load capacity of a pipe.

• Example: A Kuplak pipe can support the weight of a small car or heavy machinery.

A cross section of a road is a vertical slice through the road showing the various layers and components.

• A cross section typically includes the road surface, base course, subbase, and natural subgrade.

• It helps engineers understand the composition of the road and plan for construction or maintenance.

• Cross sections are used to determine the appropriate materials and thickness for each layer of the road.

• Examples of cross ...read more

Grider Shuttering materials come in various sizes to support different construction needs.

• Grider Shuttering materials sizes typically range from 1.5 meters to 3 meters in length.

• Common widths for Grider Shuttering materials include 150mm, 200mm, and 250mm.

• Thickness of Grider Shuttering materials can vary from 50mm to 100mm.

• Examples of Grider Shuttering materials sizes: 2.5 meters in length, 200mm in width, and 75mm in

Reconciliation involves comparing financial records to ensure accuracy and consistency.

• Reconciliation is the process of comparing two sets of records to ensure they match.

• It is commonly done for bank statements, inventory records, and financial transactions.

• Discrepancies found during reconciliation must be investigated and resolved.

• Reconciliation helps identify errors, fraud, or missing transactions.

• Regular reconciliat...read more

There are different types of cement such as Ordinary Portland Cement, Portland Pozzolana Cement, and Portland Slag Cement. The best grade depends on the specific application.

• Types of cement include Ordinary Portland Cement, Portland Pozzolana Cement, and Portland Slag Cement

• The best grade of cement depends on the specific application and requirements

• For general construction purposes, Ordinary Portland Cement is commonl...read more