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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