Author Archive: Amina Thajudeen

Roller Compacted Concrete | Materials & Mix proportion | Properties | Advantages & Applications

Civil engineer and Banking

Roller Compacted Concrete – Definition The development of Roller Compacted Concrete (RCC) was a major change in the construction practices of dams and other structures. Roller Compacted Concrete is defined as the concrete which is compacted by roller compaction technique….
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Local Attraction in Compass Surveying | Elimination methods | Magnetic field of Earth

Correcting observation for Local attraction – YouTube

Local attraction & Compass Surveying Local attraction is the phenomenon by which the magnetic needle is constantly prevented to point towards the magnetic north at a place. This is because that these magnetic compass is influenced by other magnetic objects…
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Wastewater Screening & Classification of Screens (Complete list) | Wastewater Treatment

Screening process in a wastewater treatment system (YouTube.com)

Wastewater Screening Wastewater Screening is the first unit operation in all wastewater treatment plants. Screen is the device used to retain solids found in the influent wastewater to the treatment plant. The main purpose of screening is to remove solid…
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Smog in Delhi | Sources & Formation | Formation of smog | Health effects

Formation of Smog due to factory emissions

Smog Smog is a type of air pollution event ongoing in New Delhi. New Delhi is one of the worst air polluted city since 1999. Due to the smog the visibility is decreased and that caused much vehicle accidents recently…
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Advanced Wastewater Treatment Methods (Complete List)

Oxadation Ditch Waste Water Treatment - BJWSA

WASTEWATER TREATMENT Sewage or wastewater is a dilute mixture of various wastes from residential, commercial and industrial areas. This wastewater is treated to reduce its objectionable properties that can cause unfavorable changes to environment and man. The conventional wastewater treatment…
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