civil engineering Mcqs
3552. Which of the following has more fire resisting characteristics ?
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A. granite

B. marble

C. lime stone

D. compact sand stone
3553. Excess of alumina in brick earth makes the brick______________?
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A. to crack and warp on drying

B. impermeable

C. to lose cohesion

D. brittle and weak

3556. In which of the following directions, the strength of timber is maximum ?
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A. 45 to grains

B. same in all directions

C. perpendicular to grains

D. parallel to grains
3558. Paints with white lead base are suitable for painting of______________________?
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A. wood work

B. iron work

C. both wood work and iron work

D. none of the above

3560. Depth or height of the arch is the________________?
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A. vertical distance between springing line and intrados

B. none of the above

C. perpendicular distance between intra-dos and extrados

D. perpendicular distance between springing line and extrados

3562. The bearing capacity of a water logged soil can be improved by_____________?
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A. compacting the soil

B. draining the soil

C. grouting

D. increasing the depth of foundation

3564. Which of the following is the purest form of iron ?
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A. wrought iron

B. cast iron

C. mild steel

D. high carbon steel

3565. The most commonly used retarder in cement is_________________?
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A. calcium carbonate

B. calcium chloride

C. none of the above

D. gypsum
3566. Slate is formed by metamorphic action on______________?
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A. lime stone

B. shale

C. sand stone

D. granite

3571. The slump recommended for mass concrete is about_______________?
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A. 25 mm to 50 mm

B. 125 mm to 150 mm

C. 50 mm to 100 mm

D. 100 mm to 125 mm

3574. Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below ?
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A. Both A and R are true and R is the correct explanation of A

B. Both A and R are 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

3575. Sapwood consists of______________?
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A. thin fibre which extends from the pith outwards and holds the annular rings together

B. innermost annular rings around the pith

C. portion of timber between heartwood and cambium layer

D. thin layers below the bark

3576. Addition of pozzolana to ordinary Portland cement increases__________________?
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A. permeability

B. heat of hydration

C. bleeding

D. shrinkage
3577. Spalling hammer is used for_____________?
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A. rough dressing of stones

B. driving wooden headed chisels

C. carving of stones

D. breaking small projection of stones

3580. The pressure acting on the stones in stone masonry construction should be_____________?
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A. at 60 to the direction of bedding planes

B. along the direction of bedding planes

C. perpendicular to the direction of bedding planes

D. at 45 to the direction of bedding planes

3581. After storage, the strength of cement________________?
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A. decreases

B. remains same

C. increases

D. may increase or decrease

3584. In the construction of arches, sand box method is used for________________?
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A. none of the above

B. actual laying of arch work

C. centring

D. striking of centring
3586. Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below ?
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A. Both A and R are true and, R is the correct explanation of A

B. Both A and R are 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

3588. Percentage of carbon content in mild steel is_______________?
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A. between 0.7 and 1.5

B. greater than 1.5

C. less than 0.25

D. between 0.25 and 0.7

3589. The vehicle used in case of enamel paints is usually______________?
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A. varnish

B. water

C. linseed oil

D. none of the above

3590. Early attainment of strength in rapid hardening cement is mainly due to_______________?
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A. tricalcium silicate

B. finer grinding

C. gypsum

D. tricalcium aluminate

3593. Quartitze is a_____________?
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A. argillaceous rock

B. silicious rock

C. aqueous rock

D. calcareous rock

3594. Which of the following stresses is used for identifying the quality of structural steel ?
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A. yield stress

B. none of the above

C. proof stress

D. ultimate stress

3595. The nominal size of the modular brick is_______________?
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A. 200 mm x 200 mm x 100 mm

B. 190 mm x 190 mm x 90 mm

C. 190 mm x 90mmx 80 mm

D. 200 mm x 100 mm x 100 mm
3597. Pug mill is used for_______________?
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A. preparation of clay

B. moulding of clay

C. drying of bricks

D. burning of bricks

3598. The main ingredients of Portland cement are________________?
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A. lime and iron

B. lime and silica

C. lime and alumina

D. silica and alumina