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Sand stone is

A. Sedimentary rock

B. Metamorphic rock

C. Igneous rock

D. Volcanic rock

Correct Answer :

A. Sedimentary rock


Related Questions

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The initial setting time of hydraulic lime, is

A. 30 minutes

B. 60 minutes

C. 90 minutes

D. 120 minutes

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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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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 stretcher bond in brick masonry can be used only when the thickness of wall is

A. 90 mm

B. 180 mm

C. 190 mm

D. 280 mm

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4

Brass is an alloy of

A. Copper and zinc

B. Zinc and lead

C. Tin and silver

D. Zinc and nickel

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The trunk of tree left after cutting all the branches is known as

A. Log

B. Batten

C. Plank

D. Baulk

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The practical limit of moisture content achieved in air drying of timber is

A. 5 %

B. 15 %

C. 25 %

D. 35 %

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Pick up the correct statement regarding low heat cement from the following:

A. It possesses less compressive strength

B. Its initial setting time is about one hour

C. Its final setting time is about 10 hours

D. All the above

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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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For testing compressive strength of cement, the size of cube used is

A. 50 mm

B. 70.6 mm

C. 100 mm

D. 150 mm

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Which of the following has more fire resisting characteristics?

A. Marble

B. Lime stone

C. Compact sand stone

D. Granite

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The most common admixture which is used to accelerate the initial set of concrete is

A. Gypsum

B. Calcium chloride

C. Calcium carbonate

D. None of the above

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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

Plywood has the advantage of

A. Greater tensile strength in longer direction

B. Greater tensile strength in shorter direction

C. Same tensile strength in all directions

D. None of the above

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In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they

A. Split easily

B. Are affected by moisture

C. Both (A) and (B)

D. None of these

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Seasoning of timber is done for

A. Increasing moisture content

B. Decreasing moisture content

C. Increasing strength of timber

D. None to these

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Forge pig may be converted to wrought iron by

A. Rolling

B. Pudding

C. Shingling

D. Refining

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The main ingredients of Portland cement are

A. Lime and silica

B. Lime and alumina

C. Silica and alumina

D. Lime and iron

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Dry rot

A. Cracks the timber

B. Reduces the strength of timber

C. Reduces the timber to powder

D. Spoils the appearance of timber

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4

Name the type of cement from the following for canal linings:

A. Sulphate resisting cement

B. Rapid hardening cement

C. Quick setting cement

D. Pozzolana cement

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The proportions of charcoal, saltpetre and sulphur in gun powder by weight, are respectively:

A. 15, 75, 10

B. 75, 10, 15

C. 10, 15, 75

D. 10, 75, 15

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Slump test for concrete is carried out, to determine

A. Strength

B. Durability

C. Workability

D. Water content

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Bitumen completely dissolves in

A. Carbon bisulphide

B. Chloroform

C. Coal tar

D. All of these

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The most durable varnish is

A. Water varnish

B. Spirit varnish

C. Turpentine varnish

D. Oil varnish

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A badly mixed cement concrete results in

A. Segregation

B. Bleeding

C. Honey combing

D. None of these

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4

Age of a tree may be ascertained by

A. Radius of its stem

B. Circumference of its stem

C. Number of branches

D. Number of annual rings

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Putty is

A. Made with finely powdered chalk and linseed oil

B. Used for fixing glass panes

C. Softened by a solution of pearl ash and quick-lime soaked in water

D. All the above

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4

The size of mould for bricks, is generally kept

A. A little large to specified size

B. A little small to specified size

C. Equal to specified size

D. 10% larger than specified size

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The yield strength and tensile strength of low carbon steel may be improved by the addition of

A. Manganese

B. Chromium

C. Nickel

D. Vanadium

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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