Early attainment of strength in rapid hardening cement is mainly due to

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Early attainment of strength in rapid hardening cement is mainly due to

A. Gypsum

B. Finer grinding

C. Tri-calcium silicate

D. Tri-calcium aluminate

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In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is

A. Right angles

B. 45°

C. 60°

D. Parallel

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The rocks formed by gradual deposition, are called

A. Sedimentary rocks

B. Igneous rocks

C. Metamorphic rocks

D. None of these

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The normal consistency of ordinary Portland cement is about

A. 10 %

B. 20 %

C. 30 %

D. 40 %

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Pick up the volcanic rock from the following:

A. Granite

B. Dolerite

C. Basalt

D. All the above

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The moisture content in a well seasoned timber is

A. 4 % to 6 %

B. 10 % to 12 %

C. 15 % to 20 %

D. 100 %

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In the cement the compound quickest to react with water, is

A. Tri-calcium aluminate

B. Tetra-calcium alumino-ferrite

C. Tri-calcium silicate

D. Di-calcium silicate

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The low voltage porcelain is mainly used for

A. Switch block

B. Insulating tubes

C. Lamp sockets

D. All of these

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Fibre glass

A. Retains heat-longer

B. Has a higher strength to weight ratio

C. Is shock proof and fire retardant

D. All the above

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Lime concrete is generally used for

A. Wall foundations

B. Flooring at ground level

C. Both (A) and (B)

D. Neither (A) nor (B)

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French polish is

A. Oil paint

B. Distemper

C. Spirit varnish

D. None to these

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Blister steel

A. Is obtained by cementation process

B. Is full of fissures and cavities

C. Can be easily welded

D. All the above

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During pudding

A. Molten metal is kept clear of the fuel

B. Carbon is converted into carbonic acid gas

C. Silicon forms a slag

D. All the above

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Pick up the correct statement from the following:

A. The lime in excess makes the cement unsound and causes the cement to expand and disintegrate

B. The silica in excess makes the cement stronger but its setting time also increases

C. The excess amount of alumina weakens the cement

D. All the above

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Crushing strength of a first class brick should not be less than

A. 3.5 N/mm²

B. 7.0 N/mm²

C. 10.5 N/mm²

D. 14.0 N/mm²

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Pick up correct statement from the following:

A. Fibre boards are used for thermal and acoustic control

B. Fibre boards are used for light weight standing members

C. Fibre boards are obtained by impregnating a resin product on fibres

D. All the above

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Which of the following is a mineral?

A. Basalt

B. Granite

C. Quartz

D. Syenite

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Wrought iron is manufactured from pig iron by

A. Refining

B. Pudding

C. Shingling

D. All the above

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Pick up the correct statement from the following:

A. Alexander Parkes, a Scottish chemist prepared a hard material by mixing camphor and alcohol with nitro cellulose and called it, as Parkesite

B. Dr. L. Bakeland, a Belgian scientist prepared a product known as Bakelite

C. Pollark, an Austrian scientist prepared a substance from urea and formaldehyde and called it Plastic

D. All the above

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Manganese steels

A. Are non-magnetic

B. Possess high electrical resistance

C. Possess low coefficient of expansion

D. All the above

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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

A. Plutonic rocks

B. Hypabyssal rocks

C. Volcanic rocks

D. Igneous rocks

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Pick up the correct statement from the following:

A. The phenol is carbolic acid

B. The phenol is either extracted from coal-tar or prepared from benzene

C. Phenol reacts with formaldehyde, to form phenol formaldehyde resin

D. All the above

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If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

A. Bessemer pig

B. Grey or foundry pig

C. White or forge pig

D. Mottled pig

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If the ore impurities is

A. Clay, lime stone is used as flux

B. Lime stone, clay is used as flux

C. Quartz, lime stone and argillaceous iron ores are used as flux

D. All the above

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In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as

A. English bond

B. Double Flemish bond

C. Zigzag bond

D. Single Flemish bond

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The most commonly used retarder in cement is

A. Gypsum

B. Calcium chloride

C. Calcium carbonate

D. None of the above

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For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is

A. 80 : 13 : 7

B. 70 : 20 : 10

C. 60 : 35 : 5

D. None of these

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Geologically, marble is known as

A. Sedimentary rock

B. Igneous rock

C. Metamorphic rock

D. Stratified rock

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Bitumen paints offer

A. Pleasing surface

B. Hard surface

C. Smooth surface

D. Protective surface

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The most important constituent of varnish, is

A. Drier

B. Solvent

C. Resin

D. All the above

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Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called

A. Bessemer pig

B. Grey or foundry pig

C. White or forge pig

D. Mottled pig

Discuss this answer

Accepted Answer

B. Finer grinding

Early attainment of strength in rapid hardening cement is mainly due to

Correct Answer :

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Related Questions

In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is

The rocks formed by gradual deposition, are called

The normal consistency of ordinary Portland cement is about

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The moisture content in a well seasoned timber is

In the cement the compound quickest to react with water, is

The low voltage porcelain is mainly used for

Fibre glass

Lime concrete is generally used for

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Pick up the correct statement from the following:

Crushing strength of a first class brick should not be less than

Pick up correct statement from the following:

Which of the following is a mineral?

Wrought iron is manufactured from pig iron by

Pick up the correct statement from the following:

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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

Pick up the correct statement from the following:

If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called

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The most commonly used retarder in cement is

For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is

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