Why is bitumen used in road construction?

Why is bitumen used in road construction? Asphalt road surfaces are also considered a sustainable option for road paving material where bitumen is used as binder as this material can be recycled. The bitumen, produced by the refineries, plays an important role in road durability which is also important for sustainability. What is the purpose […]

What are the objectives of concrete mix design?

What are the objectives of concrete mix design? The main aim of the concrete mix design is to find out the desired proportion of each ingredients which are cement, coarse aggregate, fine aggregate, water etc. to obtain the required properties of resulting mix. What is class B concrete used for? at 28 Days psi Class […]

How does a cooling tower system work?

How does a cooling tower system work? Cooling tower systems work by using water to extract waste heat from a system and ejecting it into the atmosphere primarily through evaporation. The three key components of a cooling system are the cooling tower, recirculating pump, and heat exchanger. Water first passes through a heat exchanger where […]

What is time variant and time invariant system?

What is time variant and time invariant system? In other words, a time delay or time advance of input not only shifts the output signal in time but also changes other parameters and behavior. Time variant systems respond differently to the same input at different times. The opposite is true for time invariant systems (TIV). […]

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