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This set of Basics of Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on Stones Set 2

Q1 | Most of the stones possess the specific gravity in the range of
  • 1.2 – 1.6
  • 1.6 – 2.0
  • 2.4 – 2.8
  • 3.0 – 4.0
Q2 | Limestone used for manufacture of cement is
  • kankar
  • magnesium limestone
  • compact limestone
  • granular limestone
Q3 | Which of the following has the highest crushing strength?
  • granite
  • gneiss
  • basalt
  • trap
Q4 | Which of the following stone has the highest resistance to fire?
  • granite
  • limestone
  • sandstone
  • argillaceous material
Q5 | Smith’s test on stone is to check
  • toughness
  • hardness
  • compressive strength
  • presence of muddy substance
Q6 | Los Angeles testing machine is used to find the following. In stone
  • surface wear
  • hardness
  • compressive strength
  • presence of mud
Q7 | Impact value of stone for road work specified are
  • wearing coat 30%
  • bituminous macadam 35%
  • water bound macadam 40%
  • all the above
Q8 | Deterioration of stones takes place due to
  • temperature variation
  • freezing and thawing
  • rainwater
  • all of the above
Q9 | Which one of the follo ing is not a preservative of stone
  • coal tar
  • paraffin
  • linseed oil
  • ASCU
Q10 | After felling and separating branches the tree is known as
  • log
  • converted timber
  • rough timber
  • none of the above
Q11 | Which one of the following does not belong to exogenous tree
  • deodar
  • pine
  • mahogany
  • bamboo
Q12 | Which one of the following dose not belong to endogenous trees
  • teak
  • coconut
  • bamboo
  • cane
Q13 | On the basis of durability test, Forest Research Institute of India, Dehradun, a tree ishighly durable if its average life is more than
  • 5 years
  • 10 years
  • 15 years
  • 20 years
Q14 | The trees, of which leaves fall in autumn and new ones appear in spring are classified as
  • coniferous trees
  • deciduous trees
  • endogenous trees
  • none of the above
Q15 | The oldest part of exogenous tree is
  • pith
  • heartwood
  • sapwood
  • cambium layer
Q16 | Age of exogenous tree can be judged from
  • medullary rays
  • annual rings
  • cambium layer
  • inner bark
Q17 | The layer between the dark and sapwood which is yet to be converted into wood isknown as
  • pith
  • heartwood
  • softwood
  • cambium layer
Q18 | Which one of the following is softwood
  • deodar
  • teak
  • sal
  • mahogany
Q19 | Which one of the following is not a softwood:
  • oak
  • pine
  • deodar
  • bamboo
Q20 | On the basis of availability, timber is classified as
  • I. II, III Class
  • grade I, II, and III
  • A, B, C Class
  • , Y, Z Class
Q21 | Seasoning makes timber
  • durable
  • light, strong and stable
  • resistant to fungi and termites
  • all of the above
Q22 | Which of the following statements is not correct?
  • by kiln seasoning moisture content can be reduced to the desired extent.
  • kiln seasoning is quicker than natural seasoning.
  • kiln seasoning is superior to natural seasoning.
  • kiln seasoning needs less stacking place than natural seasoning.
Q23 | Most economical method of sawing wood is
  • ordinary sawing
  • quarter sawing
  • tangential sawing
  • radial sawing
Q24 | Sections of more uniform moisture content are obtained by
  • ordinary sawing
  • quarter sawing
  • tangential sawing
  • radial sawing
Q25 | The defect in timber due to broken branch of the tree during the tree growth is
  • knot
  • shake
  • rind gall
  • burl