ALLIGATION OR MIXTURE PROBLEMS QUIZ

Laterite is a/an

Calcareous rock

Siliceous rock

Volcanic rock

Argillaceous rock

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The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is

Less than 1 in beams but greater than 1 in channels

Less than 1

Greater than 1

Equal to 1

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Expansion Joints in masonry walls are provided in wall lengths usater than

20 m

40 m

10 m

30 m

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Slacking of lime is affected by

Immersing the lime in water

Crushing the lime lumps

Keeping it exposed to air

None of these

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According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than

16 MPa

21 MPa

7 MPa

11.5 MPa

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Fibre boards can be

Painted and distempered

Painted

Used for furniture

Distempered

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To give a brilliant finish, the type of varnish used, is

Oil varnish

Spirit varnish

Turpentine varnish

Water varnish

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Vanadium steel is generally used for

Magnets

Axles and springs

Bearing balls

Railway switches and crossing

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Veneering means

Thin layer of superior wood glued to inferior wood

Thick layer of superior wood glued to inferior wood

Carving out designs on timber planks

Chemically treating timber planks

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Calcination of iron ores is done

To remove carbonic acid

To remove moisture

All listed here

By roasting in heaps

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