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Current Affairs January 2024

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4

Pick up the correct statement from the following:

A. Soft stones are required for carving

B. Light stones are required for arches

C. Hard stones are required to stand high pressure

D. All the above

Correct Answer :

D. All the above


Related Questions

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4

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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4

Pick up the correct statement from the following:

A. Styrene resin is produced from ethylene which is made from petroleum

B. Styrene resin is light in weight

C. Styrene resin transmits ultraviolet waves of light

D. All the above

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4

A ferrous metal is

A. Cast iron

B. Wrought iron

C. Steel

D. All the above

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4

The fire clay contains pure

A. Lime

B. Oxide of iron

C. Hydrated aluminium silicate

D. Magnesium

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4

The filler used in plastic bitumen, is

A. Shale powder

B. Talc powder

C. Asbestos powder

D. Plastic powder

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4

If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

A. 0.70 P

B. 0.75 P

C. 0.80 P

D. 0.85 P

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4

Number of bricks required for one cubic metre of brick masonry is

A. 400

B. 450

C. 500

D. 550

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4

Veneering means

A. Carving out designs on timber planks

B. Chemically treating timber planks

C. Thick layer of superior wood glued to inferior wood

D. Thin layer of superior wood glued to inferior wood

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4

Gypsum consists of

A. H₂S and CO₂

B. CaSO4 and H₂O

C. Lime and H₂O

D. CO₂ and calcium

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4

Pick up the correct statement from the following:

A. The low voltage porcelain is prepared by wet process

B. The high voltage porcelain is prepared by dry process

C. The low voltage porcelain is prepared by dry process

D. None of the above

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4

As per IS specifications, the maximum final setting time for ordinary Portland cement should be

A. 30 minutes

B. 1 hour

C. 6 hours

D. 10 hours

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4

Pick up the correct statement from the following:

A. In basic Bessemer process, the steel heats the converter

B. In open-hearth process, the furnace heats the steel

C. In Siemens process, the impurities of pig iron are oxidised by the oxygen of the ore

D. All the above

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4

Cast iron is used for

A. Structural works in beams

B. Small sized water pipes

C. Columns and struts

D. None to these

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4

Good quality stones must

A. Be durable

B. Be free from clay

C. Resist action of acids

D. All the above

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4

The lime which contains high percentage of calcium oxide, is generally called

A. Fat lime

B. Rich lime

C. White lime

D. None of these

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4

Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is

A. Only (iii)

B. Both (i) and (iii)

C. Both (ii) and (iii)

D. All (i), (ii) and (iii)

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4

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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4

Pick up the correct statement from the following:

A. The average crushing strength of hand moulded bricks is 6000 t/m2

B. The average tensile strength of hand moulded brick is 200 t/m2

C. The average shearing strength of hand moulded brick is 600 t/m2

D. All the above

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4

The main ingredient of a good quality brick earth, is

A. Magnesia

B. Lime

C. Silica

D. Alumina

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4

Pick up the correct statement from the following:

A. The substance which consists of one primary chemical, is known as monomer

B. The polymer consists of thousands of monomers joined together

C. The polymer molecule is called macro-molecule

D. All the above

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4

Brittleness of cold is due to an excess of

A. Sulphur

B. Carbon

C. Phosphorus

D. Silicon

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4

Elastomers can extend upto

A. Five times their original dimensions

B. Seven times their original dimensions

C. Ten times their original dimensions

D. Three times their original dimensions

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4

Which one of the following is used for preparing porcelain?

A. Clay

B. Feldspar

C. Quartz

D. All of these

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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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4

Fibre boards can be

A. Distempered

B. Painted

C. Painted and distempered

D. Used for furniture

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4

The wedging is adopted for quarrying costly stratified rock such as

A. Laterite

B. Marble

C. Limestone

D. All the above

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4

Crushing strength of a good building stone should be more than

A. 50 MPa

B. 100 MPa

C. 150 MPa

D. 200 MPa

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4

Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below:

A. Both A and R is true and R is the correct explanation of A

B. Both A and R is true but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

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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

Initial setting of cement is caused due to

A. Tri-calcium silicate

B. Di-calcium silicate

C. Tri-calcium aluminate

D. Tetra calcium alumino ferrite