Geology and Geophysics
GATE GG-1 topic:hydrogeology PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–13 of 13. Imported answers require independent review unless marked reviewed.
Question 50
Open questionPART-B SECTION-1NAT2 marksNeeds review
Hydrogeological setup of a hypothetical alluvial area (where contact X-Y between two sands is vertical) is given in the schematic section. Hydraulic heads are indicated as h1, h2 and hydraulic conductivities as K1 and K2. The hydraulic head at the contact (X-Y) is ________ m. (round off to 2 decimal places).
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Open questionPART-B GEOLOGY (SECTION 1)NAT2 marksNeeds review
An inclined cylindrical confined aquifer has coefficient of permeability of 40 m/day. The horizontal distance between two vertical wells penetrating the aquifer is 800 m. The water surface elevations in the wells are 50 m and 45 m above a common horizontal datum. The absolute value of Darcy flux through the aquifer is ____________ m/day.
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Open questionGG-1NAT2 marksNeeds review
The hydraulic conductivity (K) of an isotropic aquifer is 10 m/day. If the hydraulic head within the aquifer drops 4 m over a distance of 750 m, the groundwater flow velocity within the aquifer is __________ m/day.
(Up to third decimal place)
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