Geology and Geophysics
2020 · Paper 1
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Complete GATE GG-1 2020 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 29
Open questionGL-1NAT2 marksNeeds review
A confined aquifer has a uniform area (‘A’) perpendicular to the water flow. The hydraulic gradient and coefficient of permeability are given as 0.05 and 2 m/day, respectively. The total daily flow of water is 250 m³. Using Darcy’s law, the calculated value of ‘A’ is __________ m².
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Open questionGL-1NAT2 marksNeeds review
The apparent dip amount of a sandstone bed is 45°. The angle between the true dip direction and the apparent dip direction is 60°. The true dip amount of the bed is __________ degree (°). (Round off to 2 decimal places)
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