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This set of Basics of Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on Stones Set 1
Q1 | The rocks formed due to solidification of molten mass are called.
- aqueous rocks
- sedimentary rocks
- metamorphic rocks
- igneous rocks
Q2 | Granite is an example of
- aqueous rocks
- sedimentary rocks
- metamorphic rocks
- igneous rocks
Q3 | Solidification of molten magma at the surface of the earth results in the formation of
- sedimentary rock
- basalt and traps
- granite
- metamorphic rock
Q4 | .Solidification of molten magma within the earth’s crust results in the formation of
- sedimentary rock
- basalt and trap
- granite
- metamorphic rack
Q5 | Sedimentary rocks are formed due to
- solidification of molten mass
- gradual deposition of materials like sand, clay, generally by setting water
- alteration of original stones under heat and pressure
- none of the above
Q6 | Under metamorphism, which of the following changes is correct?
- granite changes to gnesis.
- trap and basalt change into laterite.
- limestones change into marble.
- all the above
Q7 | Granite has
- crystalline, glossy and fused texture
- foliated structure
- layers of different compositions
- none of the above
Q8 | The principal constituent of argillaceous rock is
- Sand
- lime
- clay
- all the above
Q9 | Laterite is chemically classified as
- calcareous rock
- siliceous rock
- metamorphic rock
- argillaceous rock
Q10 | Which of the following is an example of siliceous rock?
- granite
- gnesis
- quartzite
- all the above
Q11 | Marble is an example of
- aqueous rock
- metamorphic rock
- sedimentary rock
- igneous rock
Q12 | Slate is used for
- building walls
- road metal
- manufacture of cement
- roofing
Q13 | Which one of the following takes polish very well?
- basalt and trap
- granite
- sandstone
- quartzite
Q14 | The colour of granite is
- grey
- green
- brown
- all of these
Q15 | A fine grained granite
- can be polished well
- can be used for exterior facing of buildings
- offers higher resistance to weathering
- all of the above
Q16 | Siliceous sand subjected to metamorphic action is known as
- laterite
- murram
- quartzite
- dolomite
Q17 | When quarrying is to be done in hard and compact rocks, the usual method employed is
- wedging
- using channeling machine
- blasting
- all of the above
Q18 | Quarrying by using channeling machine is employed for quarrying in
- soft rock
- hard rock
- sandstones
- all the above
Q19 | Heating technique of breaking rocks is suitable if the aim is to get
- aggregates
- slabs
- building blocks
- none of the above
Q20 | The process of taking out stones of various sizes from natural rock is known as
- dressing
- seasoning
- polishing
- quarrying
Q21 | The process of giving required shape and size to stones is known as
- dressing
- seasoning
- polishing
- quarrying
Q22 | Boasted finish of dressing stone is
- making non-continuous parallel marks
- giving finish to a 20 mm margin only at edges
- providing continuous lines on the face
- working out 30–50 mm wide margin around the face with chisel
Q23 | Dressing of the stone is made
- immediately after quarrying
- after three months of quarrying
- just before using for building works
- after seasoning
Q24 | The most powerful explosive used in blasting is.
- gunpowder
- guncotton
- dynamite
- cordite
Q25 | Moisture absorption of a good stone should be less than
- 1%
- 5%
- 8%
- 12%