Timber In Building Materials - Timber In Building Materials objective questions and answers
46. Knots in timber are
A. Defects caused by crushing fibres
B. Splits radiating from the centre
C. Speckled strains
D. Signs of branches cut off
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D. Signs of branches cut off
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47. Seasoning of timber is essential to remove
A. Knots from timber
B. Sap from timber
C. Twisted fibre from timber
D. Roughness of timber
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48. Which of the following is not a timber fastener?
A. Sunk key
B. Dowel
C. Dog
D. Strap
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49. The timber having maximum resistance against white ants is obtained from
A. Chir
B. Shisham
C. Sal
D. Teak
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50. Setting of plaster of paris takes
A. Much less time
B. Much more time
C. More time
D. 7 days
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