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Civil Engineering - Building Materials

Exercise : Building Materials - Section 5
6.
Pick up the correct statement from the following:
The average crushing strength of hand moulded bricks is 6000 t/m2
The average tensile strength of hand moulded brick is 200 t/m2
The average shearing strength of hand moulded brick is 600 t/m2
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The cracks which extend from bark towards the sap wood in the cross section of a tree, are called
radial shakes
star shakes
heart shakes
cup shakes.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Sea sand used in structures causes
dampness
efflorescence
disintegration
All of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The compound of Portland cement which reacts immediately with water and also sets first is
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Refractory bricks resist
high temperature
chemical action
dampness
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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