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Civil Engineering - Building Materials

Exercise : Building Materials - Section 7
6.
If the ore impurities is
clay, lime stone is used as flux
lime stone, clay is used as flux
quartz, lime stone and argallaceous iron ores are used as flux
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The plastics prepared from Vinyl resin are
odourless
non-toxic
transparent
colourless
all of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Chlorite, a green colour mineral is mainly derived from the decomposition of
augite
biotite
horn blende
All of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
During smelting process, the combination of fuel in the furnace
forms carbon dioxide
carbon dioxide with carbon forms carbon mono-oxide
carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Lime stones are generally known as
aqueous rocks
sedimentary rocks
stratified rocks
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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