SEA-LEVEL FLUCTUATIONS

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SEA-LEVEL FLUCTUATIONS

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GATE- ALL GRAVITY RELATED QUESTIONS

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GATE 2019 Q.5 The acceleration due to gravity (g) begins to fall sharply towards the centre of the Earth from the ________ discontinuity. (A) Conrad (B) Mohorovicic (C) Gutenberg (D) Lehmann GATE 2019 Q.15 Which one of the following is only a correction and not a reduction in the computation of gravity anomalies with respect to a datum? (A) Free air (B) Bouguer (C) Terrain (D) Isostatic GATE 2019 Q.71 In gravity anomalies, the ‘Indirect effect’ mainly arises from ________. (A) the sources outside the area of investigation (B) improper instrument drift C) effect of mass lying between the geoid and ellipsoid (D) short-wavelength uncompensated masses in the subsurface GATE 2019 Q.74 If ΔJ and Δσ are the uniform magnetization and density contrasts respectively, of a point source, the relation between the vertical components of the gravity (gz) and magnetic (Tz) anomalies can be expressed (neglecting long-wavelength component) as _________. (G is Gravitational constant)
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GATE RQD

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GATE 2019 Q.23 For a dam site investigation, drilling was carried out up to a depth of 20 m. The total length of recovered core pieces, each over 100 mm, add up to 16 m. The Rock Quality Designation (RQD) of the foundation rock mass is __________%. GATE 2015 Q.38 From the figure given below depicting a recovered core of a total length of 200 cm, the RQD (Rock Quality Designation) is_________%.
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GATE Resistivity sounding curve

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