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Civil Engineering - Building Materials

Exercise : Building Materials - Section 2
46.
For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
run at right angles
parallel
inclined at 45°
inclined at 60°.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
10%
15%
20%
25%
5%.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:
15, 75, 10
75, 10, 15
10, 15, 75
10, 75, 15.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Geologically, marble is known as
sedimentary rock
igneous rock
metamorphic rock
stratified rock.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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