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Engineering Geology Set 3

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Engineering Geology MCQs [set-3]

51. Small pieces of rock moved from one part to other by wind and water, glacier is
called as
A. erosion
B. rock flow
C. weathering
D. cementation
Answer: C

52. What is the molten rock under the earth's surface called ?
A. magma
B. lava
o m
C. both lava and magma
. c
D. none of these te
Answer: A a
q M
c
53. naturally occurring, inorganic substance that does not have orderly
M
arrangement of atoms is called as
A. lava
B. sediment
C. magma
D. meeraloid
Answer: D

54. Small pieces of rocks are called as


A. pebbles
B. particles
C. sediments
D. chips
Answer: C

55. Igneous rock changes to metamorphic rock by process of


A. magma cooling
B. compaction
C. heat & pressure
D. weathering and erosion
Answer: D

56. The method of rock forming is called as


A. weathering cycle
B. rock cycle
C. magma cycle
D. rock formation
Answer: B

57. Which classification of rock is not found in rock cycle ?


A. cemented rock
B. metamorphic rock
C. semdimentary rock
D. igneous rock
Answer: A

58. Igneous rocks are formed by


A. weathering and erosion
B. heat and pressure
C. compaction and cementation
D. cooling of magma
Answer: D

59. Large inverted mushroom–shaped intrusions that sag down in the middle due
to dense rocks are called as
A. laccoliths
B. lopoliths
C. balnoliths
D. dikes
Answer: B

60. How thick is the crust of the earth ?


A. about 4 miles
B. about 4 km

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C. about 40 km
D. about 400 km
Answer: C

61. What drives the internal heat of earth ?


A. volcanoes
B. radioactive elements
C. solar energy
D. ocean hides
Answer: B

62. Which will be the parental rock for metamorphic rock ?


A. sedimentary
B. igneous
C. metamorphic
D. all of these
Answer: D

63. Type of texture formed due to rapid cooling is


A. aphanitic
B. phaneritic
C. course grained
D. none of these
Answer: A

64. Crust and lithosphere are having same meaning.


A. true
B. false
C. none
D. none
Answer: B

65. The curst of earth is static and stable.


A. true
B. false
C. none
D. none
Answer: B

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66. The earth's external heat engine is not responsible for
A. climate
B. erosion
C. tides
D. winds
Answer: C

67. The lithosphere is approximately thick.


A. 50-100 km
B. 100-200 km
C. 5-10 km
D. 1-2 km
Answer: A

68. The element which is having highest volume per cent in the continental crust of
earth is
A. aluminium
B. oxygen
C. iron
D. sodium
Answer: B

69. What is the most common structural element of group silicate mineral ?
A. a silicon ? aluminium tetrahedron
B. a silicon ? nitrogen tetrahedron
C. a silicon ? oxygen tetrahedron
D. a silicon ? oxygen octahedron
Answer: C

70. Diamond is having hardness number


A. 10
B. 7
C. 1
D. 2
Answer: A
Explanation:- The hardness of diamond is 10 according to Mohn hardness scale

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71. Plutonic type of rocks generally shows
A. fine grained texture
B. course grained texture
C. both b
D. none
Answer: C

72. The study of rock deformation and geometry is known as


A. structural geology
B. geophysics
C. engineering geology
D. petrology
Answer: A

73. Gatens shows lusture.


A. sub-metallic
B. metallic
C. viterious
D. pall
Answer: B

74. Clacite shows sets of cleavage.


A. one set
B. two set
C. three set
D. four set
Answer: C

75. The light coloured minerals shows lesser specific gravity than dark coloured
minerals.
A. true
B. false
C. none
D. none
Answer: A

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