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Civil Engineering - Building Materials

Exercise : Building Materials - Section 6
26.
Whitworth compressed steel is obtained when molten steel is subjected to a pressure of
5 kg/mm2
9 kg/mm2
13 kg/mm2
15 kg/mm2
10 kg/mm2.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Asbestos
is an excellant insulator for heat and electricity
is fire-proof and acid proof
has sp. gravity equal to 3.10
is smooth like glass and silk
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Mild steel is used for
structural works in beams, joints and girders
small sized water pipes
columns and struts
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The sequence of refractory materials according to increasing melting points is :
Dolomite, Magnesia, Bauxite, Chromite
Bauxite, Chromite, Dolomite, Magnesia
Magnesia, Bauxite, Dolomite, Chromite.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Veneering means
carving out designs on timber planks
chemically treating timber planks
thick layer of superior wood glued to inferior wood
thin layer of superior wood glued to inferior wood.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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