Assam Higher Secondary Geology case studies
Assam Higher Secondary Geology · Put your knowledge to work in context.
The Assam Higher Secondary Geology credential is the Geology subject qualification within the H.S. Final Examination administered for higher secondary students in Assam. Following the Assam State School Education Board Act, 2024 (Assam Act No. XI of 2024), which was assented to on 14 March 2024, the erstwhile Assam Higher Secondary Education Council (AHSEC) functions as ASSEB Division-II for higher secondary education, while SEBA functions as ASSEB Division-I for secondary education. The Assam Higher Secondary Geology case studies are 5 cases and about 3,273 words.
1School Siting on an Eroding Brahmaputra Bank
A village on the south bank of the Brahmaputra must relocate a higher secondary school with a 50-year design life. Two plots are offered.
709 words, about 4 min2Epicentre Location and Liquefaction Risk for an Alluvial Town
Three seismic stations around an Assam town recorded a shallow earthquake. Station A recorded the P-wave at 10:00:12 and the S-wave at 10:00:24.
651 words, about 3 min3Rain-Triggered Plane Failure on a Road Cut
During widening of a hill road in the Assam foothills, a 9 m high cut was made at 50° into a slope of 25°. The rock is interbedded clayey siltstone and fine sandstone; bedding dips 33° toward the road, and a persistent joint set strikes parallel to the cut face and dips 70° out of the slope.
652 words, about 3 min4Arsenic and Microbial Risk in a Dual-Aquifer Village Supply
Two adjacent villages need a safe drinking-water supply of 5,000 L/day. Village A has a 45 m deep tubewell in grey micaceous sand: arsenic 0.12 mg/L, iron 8 mg/L, manganese 1.1 mg/L, sulfate 2 mg/L, dissolved oxygen 0.3 mg/L.
638 words, about 3 min5Dam Site Choice in Folded Sedimentary and Granitic Terrain
A state agency must choose between two dam sites on a Himalayan river. Site X is a narrow gorge in folded sandstone and shale; beds dip 25° upstream on the left abutment and 25° downstream on the right.
623 words, about 3 min