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

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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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Plastic

A. Is an organic substance

B. Consists of natural or synthetic binders

C. Finished products are rigid and stable at normal temperature

D. All the above

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Due to attack of dry rot, the timber

A. Cracks

B. Shrinks

C. Reduces to powder

D. None of these

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For construction of structures under water, the type of lime used, is

A. Hydraulic lime

B. Fat lime

C. Quick lime

D. Pure lime

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

A. 10 m

B. 20 m

C. 30 m

D. 40 m

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Pick up the incorrect statement from the following:

A. Hydraulic lime is generally obtained by burning kankar

B. Hydraulic lime sets slowly as compared to fat lime

C. Hydraulic lime is generally used in lime mortar

D. None of these

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The presence of sand in brick earth prevents:

A. Cracking of bricks

B. Shrinkage of bricks

C. Warping of bricks

D. None of these

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The process of mixing clay, water and other ingredients to make brick is known as

A. Kneading

B. Moulding

C. Pugging

D. Drying

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French polish is

A. Oil paint

B. Distemper

C. Spirit varnish

D. None to these

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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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The steel used in R.C.C. work is

A. Stainless steel

B. Mild steel

C. High carbon steel

D. Wrought iron

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For high grade instruments the steel preferred to, is

A. Cast steel

B. Bessemer steel

C. Mild steel

D. Whitworth compressed steel

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Refractory bricks are

A. Neutral refractory bricks

B. Acid refractory bricks

C. Basic refractory bricks

D. All the above

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Bitumen is generally obtained from

A. Organic material

B. Synthetic material

C. Petroleum product

D. Coal

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Whitworth compressed steel is obtained when molten steel is subjected to a pressure of

A. 5 kg/mm²

B. 9 kg/mm²

C. 13 kg/mm²

D. 15 kg/mm²

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Mastic asphalt is

A. Water proof

B. Fire proof

C. Elastic

D. All the above

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Lime stones are generally known as

A. Aqueous rocks

B. Sedimentary rocks

C. Stratified rocks

D. All the above

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Cross cut saw is used for

A. Cutting soft stones

B. Cutting hard stones

C. Cutting large blocks of stones

D. Dressing stones

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The compound of Portland cement which contributes to the strength after two to three years is

A. Tri-calcium silicate

B. Di-calcium silicate

C. Tri-calcium aluminate

D. Tetra-calcium alumino ferrite

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A queen closer is a

A. Brick laid with its length parallel to the face or direction of wall

B. Brick laid with its breadth parallel to the face or direction of wall

C. Brick having the same length and depth as the other bricks but half the breadth

D. Brick with half the width at one end and full width at the other

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The steel used for rails under heavy traffic and on sharp curves, is

A. Nickel steel

B. Chrome steel

C. Manganese steel

D. Vanadium steel

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Pick up the synthetic resin from the following:

A. Urea resin

B. Phenolic resin

C. Resorcinol resin

D. All of these

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Sand stone is

A. Sedimentary rock

B. Metamorphic rock

C. Igneous rock

D. Volcanic rock

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Pick up the correct statement from the following:

A. In stone arches, the stones are placed with their natural beds radial

B. In cornices, the stones are placed with their natural beds as vertical

C. In stone walls, the stones are placed with their natural beds as horizontal

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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Quick lime

A. Generates heat when added to water

B. Reacts with carbon dioxide

C. May be used for white-washing

D. All the above

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Mastic asphalt is

A. Acid resisting material

B. Non-corrosive material

C. Corrosive material

D. Heating-resisting material

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Pick up the correct statement from the following:

A. The theory of formation of concrete is based on the phenomena of formation of voids

B. The bulking of sand is taken into account while volumetric proportioning of the aggregates

C. The dry sand and the sand completely flooded with water, have practically the same volume

D. All the above

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The most important tool in brick laying for lifting and spreading mortar and for forming joints is

A. Trowel

B. Square

C. Bolster

D. Scutch

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Which of the following gradients exerts maximum influence on properties of steel?

A. Iron

B. Carbon

C. Manganese

D. Sulphur

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The silica is used for preparing

A. Silica bricks

B. Coke oven

C. Lining for glass furnaces

D. All of these

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Accepted Answer

C. White or forge pig

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

Correct Answer :

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Lime concrete is generally used for

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