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Analysis of data from a 3-component broadband seismological station yields seismic velocities, Vp = 7.0 km/s and Vs = 3.87 km/s for the lower crust. The resulting Poisson’s ratio of the lower crustal rocks (rounded to two decimal places) is -gate Geology & Geophysics 20171 AnswerThe velocity discontinuity between the upper crust and the lower crust is known as ______________ discontinuity. (-Gate geology and geophysics)1 AnswerFrom the surface to the Earth’s interior, the velocity of P-wave decreases and the material density increases at the boundary between: (-Gate geology and geophysics 2014)1 Answer The Königsberger ratio, Qn, related to magnetization of rocks is very low (Qn<<1) for -gate Geology & Geophysics 20171 AnswerThe Bouguer anomaly obtained after applying all necessary corrections is due to -gate Geology & Geophysics 20173 AnswerWhich combination of sorting and roundness of sand grains results in highest permeability? -gate Geology & Geophysics 2017 1 AnswerKönigsberger ratio refers to: (-Gate geology and geophysics 2014)1 AnswerWhat do you mean by lower bound arguments? List out 4 methods of obtaining lower bounds and explain them in brief1 AnswerThe PKiKP phase denotes the passage of a seismic wave in the Earth as: (-Gate geology and geophysics 2014)1 AnswerBouguer correction is applied to correct for the gravity anomaly due to mass between station location and GATE-Geology and Geophysics-Question-20121 AnswerAn 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. GATE-Geology and Geophysics-Question-20121 AnswerIn a seismic section, paraconformity is marked by -gate Geology & Geophysics 2017 1 AnswerAfter migration, an anticline observed on an unmigrated seismic section becomes -gate Geology & Geophysics 20171 Answer A landform that results from free fall of rocks is called -gate Geology & Geophysics 20171 AnswerAssertion (a): An efficient marine seismic survey should use an implosive source. Reason (r): The performance of a marine seismic source is rated by high pulse-to-bubble ratio. (-Gate geology and geophysics 2014)1 AnswerGardner’s formula relates the seismic P-wave velocity (VP) to -gate Geology & Geophysics 20171 AnswerIf an aircraft takes off with 10% less fuel in comparison to its standard configuration, its range is GATE-Aerospace Engineering-Question-20121 AnswerThe pressure and velocity at the throat of a Venturi tube, measuring the flow of a liquid, are related to the upstream pressure and velocity, respectively, as follows: GATE-Instrumentation-Engineering-20141 AnswerIf the total volume of water in the Earth’s atmosphere, estimated to be about 1.29 x 104 km3 , were to completely precipitate and uniformly cover the Earth’s surface, estimated to be 5.1 x 108 km2 -gate Geology & Geophysics 2017 1 AnswerThe data of which one of the following active electromagnetic techniques can be used to correct static shift effect in magnetotelluric apparent resistivity data? -gate Geology & Geophysics 2017 1 Answer