J.D. Jadia Infrastructures Civil Site Engineer & Site Incharge Interview Questions, Process, and Tips

As per CPWD specifications, the minimum bar used in a slab is typically 8mm diameter.

• CPWD specifications generally require a minimum bar diameter of 8mm for slabs

• The use of larger diameter bars may be specified based on the design requirements

• The spacing between bars is also specified in CPWD guidelines to ensure structural integrity

Minimum cover of slab is the distance between the outer surface of the concrete and the nearest steel reinforcement.

• Minimum cover of slab is typically specified in building codes or project specifications.

• It is important to maintain the minimum cover to protect the steel reinforcement from corrosion.

• Minimum cover requirements may vary based on factors such as exposure conditions, type of structure, and design loads.

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The curing period time for brickwork wall with admixture mortar is typically 7 days.

• Curing period for brickwork wall with admixture mortar is usually 7 days

• Proper curing is essential for the strength and durability of the wall

• Curing helps in reducing cracks and improving the overall quality of the wall

The cover area in one liter of shuttering oil depends on the thickness of the oil applied.

• The cover area of shuttering oil can vary based on the thickness of the oil applied

• On average, one liter of shuttering oil can cover approximately 6-8 square meters

• Factors such as surface porosity and application method can also affect the coverage area

Minimum diameter of bar used for column is typically 12mm.

• Minimum dia of bar for column is usually 12mm

• The diameter may vary based on the design requirements and load calculations

• In some cases, larger diameter bars such as 16mm or 20mm may be used for columns in high-rise buildings