IndiaBIX

Civil Engineering - Building Materials

Exercise : Building Materials - Section 7
16.
The percentage of alumina and silica in good fire clay vary respectively is
25, 75
30, 70
35, 65
All of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The term frog means
an apparatus to lift the stone
a depression on a face of brick
vertical joint in a brick work
soaking brick in water.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Asphalt is obtained from
petroleum distillation
bitumen distillation
plastic distillation
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
To retard the initial setting time of cement, the compound responsible, is
Tricalcium silicate
Gypsum
Di-calcium silicate
Tri calcium aluminate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Dorry's testing machine is used for
crushing test of stone
hardness test of stone
impact test of stone
water absorption test.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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