Delhi Development Authority Interview Questions and Answers

The cross section of bottom chord of open web girder varies depending on the design and load requirements.

• The cross section can be rectangular, trapezoidal, or triangular in shape.

• The size and shape of the bottom chord is determined by the span of the girder and the loads it will carry.

• The material used for the bottom chord can also affect its cross section.

• Examples of open web girder bottom chord cross sections includ...read more

Mix design of concrete and BTech project

• Mix design involves determining the proportions of cement, water, aggregates, and admixtures to achieve desired properties of concrete

• Factors like strength, workability, durability, and cost are considered while designing the mix

• BTech project can involve studying the effect of different mix designs on properties of concrete or developing a new mix design

• Examples of BTech projects...read more