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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%