AVASOFT Interview Questions and Answers

The weight of reinforcement in a slab can be determined from the provided drawing.

• Calculate the area of the slab

• Determine the spacing and diameter of the reinforcement bars

• Calculate the weight of a single bar using the formula: weight = (d^2/162) * L, where d is the diameter and L is the length of the bar

• Multiply the weight of a single bar by the total number of bars in the slab

• Add the weight of all the bars to get the total weight of reinforcement in the slab

Water absorption of 1st class brick is around 20%

• Water absorption is the amount of water absorbed by a brick when it is immersed in water for a specified period of time

• 1st class bricks have a water absorption percentage of around 20%

• Water absorption affects the strength and durability of the brick

The weight of concrete in 1m3 (M25) is approximately 2400 kg.

• The weight of concrete varies depending on the mix design and density.

• For M25 grade concrete, the approximate weight is 2400 kg/m3.

• This weight includes the weight of cement, sand, aggregates, and water.

• The weight of concrete can also be calculated using the following formula: Density = Mass/Volume.

• It is important to accurately calculate the weight of concrete for structural design and construction purposes.

The volume of cement in a bag varies depending on the size of the bag and the density of the cement.

• The most common bag size for cement is 50kg.

• The volume of cement in a bag can range from 0.033m³ to 0.045m³.

• The density of cement can vary from 1,100kg/m³ to 1,500kg/m³.

• To calculate the volume of cement in a bag, you need to know the bag size and the density of the cement.

Initial setting time of cement is the time taken by cement to harden and attain a particular strength.

• Initial setting time is the time taken by cement to harden to a degree that it can no longer be worked with.

• It is determined by the Vicat apparatus test.

• The initial setting time of cement should not be less than 30 minutes.

• Factors affecting initial setting time include temperature, water-cement ratio, and type of cement used.