KHALJI DYNASTY QUIZ

Strength of cement concrete primarily depends upon

Water-cement ratio

Quantity of cement

Quantity of aggregate

Quality of water

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Quick lime is<br/>(i) Slow in setting<br/>(ii) Rapid in slacking<br/>(iii) Good in strength

Both (i) and (ii)

Only (i)

Both (ii) and (iii)

Only (ii)

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First class timber has an average life of

More than 10 years

Less than one year

5 to 10 years

1 to 5 years

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

Equal to 1

Less than 1

Less than 1 in beams but greater than 1 in channels

Greater than 1

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Percentage of silica in a good brick earth lies between

50 to 60 %

5 to 10 %

70 to 80 %

20 to 30 %

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

Igneous rocks

Hypabyssal rocks

Plutonic rocks

Volcanic rocks

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Initial setting of cement is caused due to

Di-calcium silicate

Tri-calcium silicate

Tri-calcium aluminate

Tetra calcium alumino ferrite

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In arches, stratified stones are placed so that their planes are

Parallel

None of these

Perpendicular

Radial

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Iron ore may contain

All listed here

Carbon

Silicon

Phosphorus and manganese

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Forge pig may be converted to wrought iron by

Refining

Shingling

Rolling

Pudding

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