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MCQs

Total Questions : 108 | Page 7 of 11 pages
Question 61. The acceleration due to gravity, 'g' is maximum at
  1.    equator
  2.    poles
  3.    mid-latitudes
  4.    sub-tropical regions
 Discuss Question
Answer: Option B. -> poles


-NA-


Question 62. Choose the diamagnetic mineral from the following.
  1.    Calcite
  2.    Enstatite
  3.    Pyrite
  4.    Ilmenite
 Discuss Question
Answer: Option A. -> Calcite


-NA-


Question 63. Two bodies made up of same material with different dimensions have
  1.    same resistances and resistivities
  2.    same resistivities but different resistances
  3.    same resistances but different resistivities
  4.    different resistances and resistivities
 Discuss Question
Answer: Option B. -> same resistivities but different resistances


-NA-


Question 64. If a radioactive isotope has a decay constant of 1.55 * 10-10 year-1, its half-life (in years) would be
  1.    4.57 * 109
  2.    4.47 * 109
  3.    4.57 * 1010
  4.    4.47 * 1010
 Discuss Question
Answer: Option B. -> 4.47 * 109


-NA-


Question 65. Match the following items of Group I with those of Group II.Group I                            Group IIP) Electrical Method     1) DensityQ) Magnetic Method    2) VelocityR) Gravity Method         3) ResistivityS) Seismic Method        4) Susceptibility                                       5) Dielectric Permittivity
  1.    P "“ 3 ; Q "“ 2 ; R "“ 5 ; S "“ 1
  2.    P "“ 3 ; Q "“ 4 ; R "“ 1 ; S "“ 2
  3.    P "“ 3 ; Q "“ 4 ; R "“ 2 ; S "“ 1
  4.    P "“ 5 ; Q "“ 4 ; R "“ 3 ; S "“ 2
 Discuss Question
Answer: Option A. -> P "“ 3 ; Q "“ 2 ; R "“ 5 ; S "“ 1


-NA-


Question 66. The type of wave that arrives first at a station from an earthquake hypocenter is
  1.    P-wave
  2.    S-wave
  3.    Rayleigh wave
  4.    Love wave
 Discuss Question
Answer: Option A. -> P-wave


-NA-


Question 67. Which of the following physical properties of rocks has the widest range of variation?
  1.    Magnetic permeability
  2.    Dielectric permittivity
  3.    Seismic velocity
  4.    Electrical resistivity
 Discuss Question
Answer: Option D. -> Electrical resistivity


-NA-


Question 68. The void ratio (in percentage) of sandstone is 25. Its porosity in percentage is ________.
  1.    10
  2.    20
  3.    30
  4.    40
 Discuss Question
Answer: Option B. -> 20


-NA-


Question 69. Which one of the following is the correct statement regarding hydrocarbon generation?
  1.    H/C content of organic matter increases as it matures.
  2.    O/C content of organic matter increases as it matures.
  3.    Lignite does not form any hydrocarbon during maturation.
  4.    Oil source rock is most abundant in Mesozoic.
 Discuss Question
Answer: Option D. -> Oil source rock is most abundant in Mesozoic.


-NA-


Question 70. In high-grade metamorphism, biotite melting indicates
  1.    rock cooling
  2.    rock hydration
  3.    rock uplifting
  4.    rock dehydration
 Discuss Question
Answer: Option D. -> rock dehydration


-NA-


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