gce 2021 intermediate level surveys soil mechanics and materials 1

gce 2021 intermediate level surveys soil mechanics and materials 1

gce 2021 intermediate level surveys soil mechanics and materials 1

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1. It is the hardest class of stones
A Sedimentary rocks
B Metamorphic rocks
C Shinkles rocks
D Igneous rocks
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2. Hydraullic lime is manufactured by
A Burning limestone
B Grinding limestone
C Mixing quicklime with water
D Mixing gypsum and clinker
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3. Portland cement is fabricated by mixing
A Limestone and clay
B Limestone and shingle
C Shingle and clay
D Limestone and chalk
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4. Admixtures are added to fresh concrete to
A Increase the strength
B Improve some of its properties
C Increase the volume
D Reduce the volume
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5. “Slaking” is the term used when
A Burnt limestone is mixed with clay.
B Burnt limestone is mixed with sand.
C Burnt limestone is mixed with chalk.
D Burnt limestone is mixed with water.
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6. It is the type of soil with the lowest
permeability
A Loose soil
B Clay soil
C Granular soil
D Sandy soil
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7. It is an example of a sedimentary rock
A Slate
B Granite
C Marble
D Lime stone
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8. Plywood is made by bonding together thin
layers of wood in such a way that the angle
between grains of any layer to grains of
adjacent layers is
A 90°
B 30°
C 45°
D 0°
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9. The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth’s surface are called
A Plutonic rocks
B Hypabyssal rocks
C Volcanic rocks
D Igneous rocks
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10. With increase in moisture content, the bulking of
sand
A Increases
B Decreases
C First increases to a certain maximum value and then decreases
D First decreases to a certain minimum value and then increases
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11. Quartzite is a
A Siliceous rock
B Argillaceous rock
C Metamorphic rock
D Calcareous rock
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12. Cement is said to be of good quality if
A Its colour is not greenish grey
B One feels cool by thrusting one’s hand in the cement bag
C A handful of cement thrown into a bucket of water does not float
D Its colour is greenish grey
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13. Granite is not suitable for ordinary building
purpose because it
A cannot be polished
B is not a fire proof material
C is costly
D has less crushing strength
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14. “Dry Rod” in timber is caused by
A Lack of ventilation
B Absence of water
C Presence of water
D Enough ventilation
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15. Below is not a test employed to determine
the workability of concrete is
A Slump test
B Compacting factor test
C Consistometer test
D Liquid test