Quick lime is_______________?
Quick lime is_______________?
A. calcium carbonate
B. calcium oxide
C. calcium hydroxide
D. none of the above
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Slate is formed by metamorphic action on______________?
Slate is formed by metamorphic action on______________?A. shale
B. lime stone
C. sand stone
D. graniteThe practical limit of moisture content achieved in air drying of timber is________________?
The practical limit of moisture content achieved in air drying of timber is________________?A. 5%
B. 15%
C. 25%
D. 35%Expansion Joints in masonry walls are provided in wall lengths usater than_______________?
Expansion Joints in masonry walls are provided in wall lengths usater than_______________?A. 10 m
B. 20 m
C. 30 m
D. 40 mThe horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called______________?
The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called______________?A. ridge board
B. hip rafter
C. eaves board
D. valley rafterPercentage of silica in a good brick earth lies between_______________?
Percentage of silica in a good brick earth lies between_______________?A. 5 to 10%
B. 20 to 30%
C. 50 to 60%
D. 70 to 80%Which of the following metamorphic rocks has the most weather resisting characteristics ?
Which of the following metamorphic rocks has the most weather resisting characteristics ?A. marble
B. quartzite
C. slate
D. lime stone