Geology MC Question Paper Solved Quiz Practice Paper Geology Q1: The maximum depth of origin of an earthquake so for recorded is : a) 500 - 600 Km. b) 600_ 700 Km. c) 700 _ 800 Km. d) 900 - 1000 Km. ANSWER: (c) Q. 2: P - waves and S- wavers are referred as: a) Surface waves. b) Tertiary waves. c) Body waves. d) Internal waves. ANSWER: (c) Q. 3: The velocity of the P - Waves is about at the surface and about -- at the mantle- core boundary: a) 3 Km/sec/10 Km /sec. b) 6 Km/sec / 14 Km/sec. c) 7 Km/sec/12 Km/sec. d) 10 Km/sec/18 Km/sec. ANSWER: (b) Q. 4: The S - Waves speed ranges from about ----- in the crust to --f-- at the mantle core boundary: a) 3.5 Km/sec./8Km/sec. b) 5.5 Km/sec/7.5 Km/sec. c) 4 Km/sec I 89 Km sec. d) 6 Km / sec/10 Km sec. ANSWER: (a) Q. 5: Maximum energy of shallow focus earthquake is carried by: a) P - Waves. b) S - Waves. c) Surface waves. d) All the above. ANSWER: (c) Q. 6: The seismic phases Tn and Sn indicate: a) P-Waves and S-waves travelling in the crust. b) P-Waves and S-Waves travelling along the Moro-discontinuity. 0) P-Waves and S-Waves in granitic layer. d) P-Waves and S- Waves in the core. ANSWER: (b) Q. 7: Tertiary waves characterized by: a) Propagation within the oceans. b) Propagation within the core of the earth. c) Ordinary light waves type behaviour. d) Very high velocity. ANSWER: (a) Q. 8: Jeffrey’s - Bullpen table is useful for: a) Obtaining arrival times of the seismic waves. b) Obtaining origin time of the earthquake. ~ c) Obtaining Epicentral distances for corresponding S-P time interval. d) All the above. ANSWER: (c) Q. 9: The Speed of Rayleigh waves is about.............. that of shear waves in the same medium: a) 0.2 times. b) 0.56 times. c) 0.92 times. d) Same. ANSWER: (c) Q. 10: The frequency at which the high frequency changes into low frequency in Fourier spectrum is called as: a) Intermediate frequency. b) Retrograde frequency. c) Corner frequency. d) Reflected frequency. ANSWER: (c) Q. 11: MKS Scale is for: a) Magnitude. b) Intensity. c) Energy measurement. d) Amplitude measurement. ANSWER: (b) Q. 12 :When the oceanic Lithosphere is thrust under the adjacent continental Iithosp here at a trench, the resulting is : a) Reverse fault. b) Normal fault. c) Both reverse and normal faults. d) Graben. ANSWER: (a) Q. 13 : The love waves are not recorded in vertical component seismometer because: a) The particle motion is vertical. b) The particle motion is horizontal. c) The slow particle motion. d) The very fast particle motion. ANSWER: (b) Q.14: Solid deposits of sand inside the ground, saturated with water during the vibrations of seismic waves, behave as a viscous liquid. This phenomenon is called a) Dispersion. b) Dilatancy. c) Liquefaction. d) Tectonic energy. ANSWER: (c) Q. 15 : Natural period of short period seismograph is : a) 1 Second. b) 5 Seconds. c) 10 Seconds. d) 15 Seconds. ANSWER: (a) Q.16: About ----------------area of india falls under active seismic zone a) 20%. b) 45%. c) 55%. d) 70%. ANSWER: (c) Q. 17: Which seismograph is generally considered as a standard seismograph? a) W.F. Sprengnether Seismograph. b) Wood-Anderson Seismograph. c) Will more Seismometer. d) None of these. ANSWER: (c) Q. 18: New lithosphere is formed at: a) Oceanic floor. b) Continental margins. c) Midoceamic tremolos. . d) Nlicloceanic ridges. ANSWER: (d) Q. 19: Planes separating the zones of compression and dilatations are called: a) Null Vector. b) Nodal Planes. c) Dilatation Planes. d) Azimuth. Planes. ANSWER: (b) Q. 20: What was the magnitude of Koyna earthquake occurred in 1967? a) 6.0. b) 6.3. c) 6.6. d) 6.8. ANSWER: (b) Q. 21: What was the focal depth of Koyna earthquake? a) 5 Km. b) 8 Km. c) 10 Km. d) 15 Km. ANSWER: (c) Q. 22: The medium aperture array which BARC is operating in India is: a) Gauribidanur seismic Array. b) Jorhat Telemetry Array. c) Tezpur Telemetry Array. d) None of these. ANSWER: (a) Q. 23: The Indo - Australian gate generally moving towards: a) North. b) South. c) East. d) West. ANSWER: (a) Q. 24: Earthquakes in Hindukush region generally occurred at a depth of: a) 100 km. b) 180 Km. c) 195 Km. d) 220 Km. ANSWER: (d) Q. 25: What was the magnitude of the later earthquake occurred in 1993: a) 5.8. b) 6.4. c) 6.8. d) 7.2. ANSWER: (b)
Posted on: Tue, 19 Aug 2014 09:54:23 +0000
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