Civil Engineering - Building Materials

16.
Sand stone is
sedimentary rock
metamorphic rock
igneous rock
volcanic rock.
Answer: Option
Explanation:
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17.
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig.
Answer: Option
Explanation:
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18.
Stainless steel contains
18% of chromuim and 8% nickel
8% of chromium and 18% of nickel
12% of chromium and 36% of nickel
36% of chromium and 12% of nickel.
Answer: Option
Explanation:
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19.
Pick up the hypabyssal rock from the following:
Granite
Dolerite
Basalt
All the above.
Answer: Option
Explanation:
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20.
Depending on the chemical composition and mechanical properties, iron may be classified as
cast iron
wrought iron
steel
all the above.
Answer: Option
Explanation:
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