McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 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. weathering | |
| 52. |
What is the molten rock under the earth's surface called ? |
| A. | magma |
| B. | lava |
| C. | both lava and magma |
| D. | none of these |
| Answer» A. magma | |
| 53. |
naturally occurring, inorganic substance that does not have orderly arrangement of atoms is called as |
| A. | lava |
| B. | sediment |
| C. | magma |
| D. | meeraloid |
| Answer» D. meeraloid | |
| 54. |
Small pieces of rocks are called as |
| A. | pebbles |
| B. | particles |
| C. | sediments |
| D. | chips |
| Answer» C. sediments | |
| 55. |
Igneous rock changes to metamorphic rock by process of |
| A. | magma cooling |
| B. | compaction |
| C. | heat & pressure |
| D. | weathering and erosion |
| Answer» D. weathering and erosion | |
| 56. |
The method of rock forming is called as |
| A. | weathering cycle |
| B. | rock cycle |
| C. | magma cycle |
| D. | rock formation |
| Answer» B. rock cycle | |
| 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. cemented rock | |
| 58. |
Igneous rocks are formed by |
| A. | weathering and erosion |
| B. | heat and pressure |
| C. | compaction and cementation |
| D. | cooling of magma |
| Answer» D. cooling of magma | |
| 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. lopoliths | |
| 60. |
How thick is the crust of the earth ? |
| A. | about 4 miles |
| B. | about 4 km |
| C. | about 40 km |
| D. | about 400 km |
| Answer» C. about 40 km | |
| 61. |
What drives the internal heat of earth ? |
| A. | volcanoes |
| B. | radioactive elements |
| C. | solar energy |
| D. | ocean hides |
| Answer» B. radioactive elements | |
| 62. |
Which will be the parental rock for metamorphic rock ? |
| A. | sedimentary |
| B. | igneous |
| C. | metamorphic |
| D. | all of these |
| Answer» D. all of these | |
| 63. |
Type of texture formed due to rapid cooling is |
| A. | aphanitic |
| B. | phaneritic |
| C. | course grained |
| D. | none of these |
| Answer» A. aphanitic | |
| 64. |
Crust and lithosphere are having same meaning. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 65. |
The curst of earth is static and stable. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 66. |
The earth's external heat engine is not responsible for |
| A. | climate |
| B. | erosion |
| C. | tides |
| D. | winds |
| Answer» C. tides | |
| 67. |
The lithosphere is approximately thick. |
| A. | 50-100 km |
| B. | 100-200 km |
| C. | 5-10 km |
| D. | 1-2 km |
| Answer» A. 50-100 km | |
| 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. oxygen | |
| 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. a silicon − oxygen tetrahedron | |
| 70. |
Diamond is having hardness number |
| A. | 10 |
| B. | 7 |
| C. | 1 |
| D. | 2 |
| Answer» A. 10 | |
| Explanation: The hardness of diamond is 10 according to Mohn hardness scale | |
| 71. |
Plutonic type of rocks generally shows |
| A. | fine grained texture |
| B. | course grained texture |
| C. | both b |
| D. | none |
| Answer» C. both b | |
| 72. |
The study of rock deformation and geometry is known as |
| A. | structural geology |
| B. | geophysics |
| C. | engineering geology |
| D. | petrology |
| Answer» A. structural geology | |
| 73. |
Gatens shows lusture. |
| A. | sub-metallic |
| B. | metallic |
| C. | viterious |
| D. | pall |
| Answer» B. metallic | |
| 74. |
Clacite shows sets of cleavage. |
| A. | one set |
| B. | two set |
| C. | three set |
| D. | four set |
| Answer» C. three set | |
| 75. |
The light coloured minerals shows lesser specific gravity than dark coloured minerals. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» A. true | |
| 76. |
Cleavage means |
| A. | development of crystal faces during mineral growth |
| B. | Splitting a mineral along planner surfaces |
| C. | development of irregular fractures when minerals is broken |
| D. | density and specific gravity of minerals. |
| Answer» B. Splitting a mineral along planner surfaces | |
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