Sumpraxis Services Interview Questions and Answers

Site engineer is responsible for overseeing construction projects and ensuring they are completed safely, on time, and within budget.

• Supervising construction activities

• Ensuring compliance with safety regulations

• Managing project timelines and budgets

• Collaborating with architects and contractors

• Maintaining project documentation

• Resolving any issues that arise during construction

There are several types of testing for concrete, including compressive strength, slump, and air content.

• Compressive strength testing measures the ability of concrete to withstand pressure

• Slump testing measures the consistency and workability of concrete

• Air content testing measures the amount of air trapped in the concrete

• Other types of testing include water permeability, chloride permeability, and shrinkage testing

M20 grade is a mix of concrete that has a compressive strength of 20 megapascals (MPa).

• M20 grade is commonly used in construction for foundations, columns, and beams.

• It is made by mixing cement, sand, and coarse aggregates in a specific ratio.

• The ratio for M20 grade is 1:1.5:3, which means one part cement, 1.5 parts sand, and three parts coarse aggregates.

• The water-cement ratio for M20 grade should be around 0.5 to 0.6.

• The curing time for M20 grade is around 28 days.

• M20 grade...read more

Unit weight of cement and steel varies depending on their composition and type.

• Unit weight of cement ranges from 830 to 1650 kg/m³ depending on its type.

• Unit weight of steel ranges from 7700 to 7850 kg/m³ depending on its composition.

• Unit weight is an important factor in construction as it affects the overall weight and strength of the structure.

Soil testing on field involves various tests to determine soil properties and suitability for construction.

• Soil samples are collected from different depths and locations on the site

• Tests include moisture content, density, shear strength, and permeability

• Results are compared to industry standards and project requirements

• Testing helps determine foundation design and construction methods

• Field testing is important for ensuring safety and durability of structures

The number of blocks required in m2 depends on the size of the blocks and the area to be covered.

• The size of the blocks should be known to calculate the number required.

• The area to be covered in m2 should also be known.

• Divide the area by the size of each block to get the number of blocks required.

• For example, if the area is 100 m2 and each block covers 1 m2, then 100 blocks would be required.