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- Question 1 of 16
Specific discharge of 1 cm per day is observed in a porous medium where hydraulic head difference is 0.5 m and flow length is 20 m. Calculate the hydraulic conductivity (in m/day).CorrectIncorrect
- Question 2 of 16
A sandstone bed dipping 30° has an outcrop width of 20 m in a flat terrain. What is the true thickness (in m) of the bed?CorrectIncorrect
- Question 3 of 16
Calculate the concentration (in ppm) of Ni in olivine that crystallizes from a basaltic magma containing 20 ppm Ni. The partition coefficient (solid/melt) of nickel is 5.CorrectIncorrect
- Question 4 of 16
An analysis of augite yields 3 silicon atoms calculated on the basis of 12 oxygen atoms. If only Al replaces Si, calculate the number of tetrahedral-Al in the mineral.CorrectIncorrect
- Question 5 of 16
Calculate the degree(s) of freedom of the assemblage orthopyroxene + clinopyroxene + plagioclase + hornblende + quartz + fluid in the chemical system CaO–FeO–MgO–Al2O3–SiO2–H2O with pressure and temperature as physical variables.CorrectIncorrect
- Question 6 of 16
Ca-montmorillonite is formed by the chemical weathering ofCorrectIncorrect
- Question 7 of 16
In which of the following crystal systems, the characteristic symmetry elements “a two-fold axis of rotation and at least two planes of symmetry” are possible?CorrectIncorrect
- Question 8 of 16
Determine the correctness or otherwise of the following Assertion [a] and Reason [r].
Assertion: Biaxial minerals can be pleochroic in three shades.
Reason: Biaxial minerals have three refractive indices.CorrectIncorrect
- Question 9 of 16
The correct sequence of metamorphic facies with increasing depth in a subduction zone isCorrectIncorrect
- Question 10 of 16
Which one of the following basins is producing petroleum from the coal-rich reservoir rocks?CorrectIncorrect
- Question 11 of 16
A major thrust in the Himalayas has resulted in intense shearing of a zone about 0.5 km wide on either side of the thrust leading to landslides. Which GIS function can be used to display the shear zone?CorrectIncorrect
- Question 12 of 16
Vertical exaggeration commonly occurs during stereo-viewing of aerial photographs. Where does it occur?CorrectIncorrect
- Question 13 of 16
A potassic ultrabasic hybrid igneous rock containing macrocrysts of olivine, Cr-rich diopside, phlogopite and pyrope in a groundmass of serpentine, carbonate and perovskite can be named asCorrectIncorrect
- Question 14 of 16
Herringbone structure is generally formed in which of the following environments?CorrectIncorrect
- Question 15 of 16
In a typical coal mine area affected by acid mine drainage, which one of the following acids will be dominant?CorrectIncorrect
- Question 16 of 16
Match the items in Group I with those in Group II.
Group I Group II
P. Theca 1. Trilobite
Q. Midrib 2. Brachiopod
R. Deltidium 3. Glossopteris
S. Pygidium 4. Graptolite