Q. A rock follows Mohr-Coulomb failure criterion. Which one of the Mohr-Coulomb failure envelopes shown below allows failure of the rock under stress state Y, but not under stress state X? (A) PP’ (B) QQ’ (C) RR’ (D) SS’ Ans: PP’
Q. The figure below shows the triple junction between three plates A, B and C. The boundary between the plates A and B is a ridge with a half-spreading rate of 4 cm/year. The A-C and B-C boundaries are collinear and orthogonal to the A-B ridge. The A-C boundary is a dextral transform fault with
The figure below shows the triple junction between three plates A, B and C Read More »
Q. The supercontinent that existed in the late Mesoproterozoic to early Neoproterozoic time was (A) Kenorland. (B) Columbia. (C) Rodinia. (D) Pangaea. Ans: Rodinia.
Q. A melanocratic porphyritic rock containing phenocrysts of biotite, with feldspar restricted to the groundmass, is called (A) trachyte. (B) dacite. (C) andesite. (D) lamprophyre. Ans: lamprophyre.
Q. The geomorphic feature ‘horns’ are formed by (A) wind erosion. (B) river erosion. (C) wind deposition. (D) glacial erosion. Ans: glacial erosion.
The geomorphic feature ‘horns’ are formed by Read More »
Q. Pascal second is a unit of (A) seepage force. (B) dynamic viscosity. (C) kinematic viscosity. (D) permeability. Ans: kinematic viscosity.
Pascal second is a unit of Read More »
Q. Which one of the following geophysical methods uses the physical property ‘Dielectric Constant’? (A) Gravity (B) Ground Penetrating Radar (C) Seismic (D) Self-Potential Ans: Ground Penetrating Radar
Q. The geometrical factor for the following electrode configuration is (A) 𝜋𝑎 (B) 2𝜋𝑎 (C) 3𝜋𝑎 (D) 4𝜋𝑎 Ans: 4𝜋𝑎
The geometrical factor for the following electrode configuration is Read More »
Q. The speed of revolution of the Earth around the Sun is A. maximum at Perihelion. B. minimum at Perihelion. C. maximum at Aphelion. D. equal at Aphelion and Perihelion. Ans: maximum at Perihelion.
The speed of revolution of the Earth around the Sun is Read More »
Q. The latitudinal diversity gradient is defined as the decrease in the number of species from the equator to the poles. This can result from A. greater energy input at the poles B. greater land mass at the poles C. greater seasonal variation at the poles D. greater speciation rates at the poles Ans: greater
