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Civil Engineering - Building Materials

Exercise : Building Materials - Section 7
36.
Pick up the correct statement from the following:
Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer
Cupola furnace is used for the manufacture of cast iron
Red short iron is of no value for welding purpose
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The steel used for the manufacture of rails, is
Bessemer steel
mild steel
cast steel
stainless steel.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Slump test for concrete is carried out, to determine
strength
durability
workability
water content.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Basalt is
sedimentary rock
metamorphic rock
extrusive igneous rock
intrusive igneous rock.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The frog of a brick is normally made on its
top face
bottom face
longer face
shorter side.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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