BUILDING MATERIALS QUIZ

Specific gravity for most of the building stones lies between

3.0 to 3.5

1.5 to 2.0

2.0 to 2.5

2.5 to 3.0

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Index number expressing the relative sizes of both coarse and fine aggregates, is called

Proportioning of aggregates

Fineness modulus

None of these

Grading of aggregates

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Basalt is

Extrusive igneous rock

Metamorphic rock

Sedimentary rock

Intrusive igneous rock

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Glazing of clay products, is done

To protect them from corrosive action

To protect them from atmospheric effect

All listed here

To improve their appearance

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Stones used for ornamental work must be

Light

Heavy

Soft

Hard

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The standard size of masonry bricks, is

18 cm x 8 cm x 8 cm

21 cm x 11 cm x 11 cm

19 cm x 9 cm x 9 cm

20 cm x 10 cm x 10 cm

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The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called

Hypabyssal rocks

Plutonic rocks

Igneous rocks

Volcanic rocks

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Mastic asphalt is

Water proof

Fire proof

All listed here

Elastic

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Cast iron is used for

Structural works in beams

Columns and struts

Small sized water pipes

None to these

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Vanadium steel is generally used for

Bearing balls

Magnets

Axles and springs

Railway switches and crossing

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