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Building Materials

Building Materials
Non acid-resistant asbestos is:

Tremolite asbestos
None of these
Chrysotile asbestos
Amosite asbestos

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Building Materials
A stone is rejected if it absorbs water more than

15 %
5 %
10 %
20 %

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Building Materials
Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica

Quartz and mica are minerals
Granite is the only igneous rock
There is no sedimentary rock
Basalt and marble are the only metamorphic rocks

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Building Materials
Linseed oil is used in paints as

Drier
Base
Vehicle
Thinner

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Building Materials
Permanent magnets are made of high carbon steel and

15% of cobalt
20% of cobalt
35% of cobalt
45% of cobalt

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Building Materials
Red short iron cracks when bent due to the presence of

Sulphur
Phosphorus
Silicon
Carbon

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