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Current Affairs January 2024

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4

Seasoning is

A. A process of removing sap

B. Creosoting

C. Painting with sodium silicate

D. Coating with tar

Correct Answer :

A. A process of removing sap


Related Questions

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The amount of water used for one kg of distemper is

A. 0.2 liter

B. 0.4 liter

C. 0.6 liter

D. 0.8 liter

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4

Calcination of iron ores is done

A. To remove moisture

B. To remove carbonic acid

C. By roasting in heaps

D. All the above

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4

The weight of 1 m3 of brick earth, is about

A. 1200 kg

B. 1500 kg

C. 1800 kg

D. 2000 kg

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4

After storage, the strength of cement

A. Decreases

B. Increases

C. Remains same

D. May increase or decrease

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4

Linseed oil is used in paints as

A. Thinner

B. Vehicle

C. Base

D. Drier

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4

Which of the following is a mineral?

A. Basalt

B. Granite

C. Quartz

D. Syenite

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Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:

A. Absence of sun light

B. Dampness

C. Presence of sap

D. All the above

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4

Lime stone is not a

A. Sedimentary rock

B. Stratified rock

C. Aqueous rock

D. Metamorphic rock

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4

Which of the following trees yields hard wood?

A. Deodar

B. Chir

C. Shishum

D. Pine

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4

Pick up the correct statement from the following:

A. The baked earth is called terra-cotta

B. The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware

C. The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware

D. All the above

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4

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

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4

For a good building stone, its specific gravity should the greater than

A. 1.5

B. 1.7

C. 2.2

D. 2.7

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4

Pick up the plutonic rock from the following:

A. Granite

B. Dolerite

C. Basalt

D. All the above

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4

Pick up the correct statement from the following:

A. The free quartz suddenly expands at a temperature lower than 600°C

B. The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2

C. The sand stone with silicates resist a fire in a better way

D. All the above

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4

Bullet proof glass is made of thick glass sheet sandwiched by a layer of

A. Steel

B. Stainless steel

C. High test plastic

D. Chromium plate

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4

The portion of the brick without a triangular corner equal to half the width and half the length, is called

A. Closer

B. Queen closer

C. King closer

D. Squint brick

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4

Pick up the polymineralic rock from the following:

A. Quartz sand

B. Pure gypsum

C. Magnesite

D. Granite

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Quick setting cement is produced by adding

A. Less amount of gypsum in very fine powdered form

B. More amount of gypsum in very fine powdered form

C. Aluminium sulphate in very fine powdered form

D. Pozzolana in very fine powdered form

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4

Pick up the correct statement from the following:

A. Roasting is not necessary if iron ore is an oxide

B. Impurities float on the molten iron as slag

C. The slag contains lime about 45%

D. All the above

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4

Bitumen emulsion is

A. A liquid containing bitumen in suspension

B. A paint

C. Used as anti-corrosive paint

D. All the above

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4

The term frog means

A. An apparatus to lift the stone

B. A depression on a face of brick

C. Vertical joint in a brick work

D. Soaking brick in water

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4

Plastics are compounds of carbon with element

A. Hydrogen

B. Nitrogen

C. Oxygen

D. All of these

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Acrylic sheets

A. Possess 10 to 17 times greater breakage resistance than that of glass of equivalent thickness

B. Are generally unaffected by most household detergents

C. Possess the light transmission rate of 93%

D. All the above

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4

In paints, the pigment is responsible for

A. Durability

B. Colour

C. Smoothness

D. Glassy face

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Bessemer process is used for the manufacture of

A. Pig iron

B. Cast iron

C. Wrought iron

D. Steel

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4

A badly mixed cement concrete results in

A. Segregation

B. Bleeding

C. Honey combing

D. None of these

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4

Polymerization helps to improve the property of

A. Strength

B. Rigidity

C. Elasticity

D. All of these

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The constituent of cement which is responsible for all the undesirable properties of cement is

A. Di-calcium silicate

B. Tri-calcium silicate

C. Tri-calcium aluminate

D. Tetra calcium alumino ferrite

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4

Pick up the correct statement from the following:

A. Plastics have generally low melting point

B. The coefficient of thermal expansion of plastics is about three times than that of steel

C. The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67

D. All the above

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4

For high grade instruments the steel preferred to, is

A. Cast steel

B. Bessemer steel

C. Mild steel

D. Whitworth compressed steel