civil engineering MCQs – Page 182

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
3621. Sandstone is a ________________?
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A. ="color: #003f1a;">i. sedimentary rock

B. aqueous rock

C. . silicious rock </strong></span>

3622. Jumper is a tool used for_______________?
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A. quarrying of stones

B. none of the above

C. dressing of stones

D. testing of stones

3623. The ultimate tensile strength of structural mild steel is about_________________?
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A. 160N/mm2

B. 260N/mm2

C. 420 N/mm2

D. 520 N/mm2

3624. The vertical distance between the springing line and highest point of the innercurve of an arch is known as______________?
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A. extrados

B. rise

C. spandril

D. intrados

3625. The type of roof suitable in plains where rainfall is meagre and temperature is high is______________?
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A. flat roof

B. shell roof

C. pitched and sloping roof

D. none of the above

3626. The basic purpose of a retarder in concrete is_____________?
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A. to increase the initial setting time of cement paste in concrete

B. to decrease the initial setting time of cement paste in concrete

C. to improve the workability of concrete mix

D. to render the concrete more water tight

3627. The age of a tree can be known by examining_________________?
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A. heart wood

B. annular rings

C. medullary rays

D. cambium layer

3628. In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to_________________?
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A. compact the soil

B. drain the soil

C. increase the depth of foundation

D. replace the poor soil
3629. Minimum thickness of wall where single flemish bond can be used is_____________?
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A. two bricks thick

B. one brick thick

C. one and a half bricks thick

D. half brick thick

3630. The percentage of alumina in a good brick earth lies between________________?
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A. 20 to 30%

B. 50 to 60%

C. 70 to 80%

D. 5 to 10%

3631. The radial splits which are wider on the outside of the log and narrower towards the pith are known as________________?
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A. heart shakes

B. rindgalls

C. starshakes

D. cupshakes

3632. The stretcher bond in brick masonry can be used only when the thickness of wall is_____________?
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A. 190 mm

B. 180 mm

C. 90 mm

D. 280 mm

3633. The proportions of lime and sand in the mortar normally used in brick construction are_______________?
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A. 1:2

B. 1:06

C. 1:04

D. 1:08

3634. The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as_____________________?
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A. haunch

B. voussoirs

C. spandril

D. skewbacks

3635. The minimum depth of foundation in clayey soils is_______________?
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A. 1.2 m

B. 0.9 m

C. 0.7 m

D. 0.5 m

3636. Crushing strength of a first class brick should not be less than_____________?
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A. 7.0 N/mm2

B. 10.5 N/mm2

C. 14.0 N/mm2

D. 3.5 N/mm2

3637. Which of the following timbers is suitable for making sports goods ?
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A. mulberry

B. sal

C. mahogany

D. deodar

3638. The main constituent which imparts hydraulicity to hydraulic lime is______________?
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A. silica

B. calcium oxide

C. clay

D. water

3639. The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of the wall above is_______________?
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A. relieving arch

B. pointed arch

C. segmental arch

D. flat arch

3640. For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of___________________?
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A. 1:06

B. 1:02

C. 1:04

D. 1:3