civil engineering MCQs – Page 180

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 Review each marked answer and report any item that may be outdated or unclear.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
3581. The frog of the brick in a brick masonry is generally kept on______________?
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A. bottom face

B. longer side

C. shorter side

D. top face
3582. Quick lime is (1) slow in setting (2) rapid in slacking (3) good in strength The correct answer is____________?
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A. only (1)

B. only (2)

C. both (1) and (2)

D. both (2) and (3)

3583. 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
3584. As compared to stretcher course, the thickness of joints in header course should be_____________?
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A. equal or more

B. more

C. equal

D. less
3585. 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

3586. According to IS specifications, the compressive strength of ordinary portland cement after three days should not be less than________________?
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A. 11.5 MPa

B. 21 MPa

C. 7 MPa

D. 16 MPa
3587. 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

3588. 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

3589. 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

3590. Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to_________________?
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A. 4-Jan

B. 1

C. 2

D. 1/2
3591. The type of flooring suitable for use in churches, theatres, public libraries and other places where noiseless floor covering is desired is____________________?
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A. wooden flooring

B. linoleum flooring

C. cork flooring

D. glass flooring

3592. Quartitze is a_____________?
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A. argillaceous rock

B. silicious rock

C. aqueous rock

D. calcareous rock

3593. 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

3594. 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
3595. Expansion Joints in masonry walls are provided in wall lengths usater than_______________?
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A. 30 m

B. 10 m

C. 20 m

D. 40 m
3596. 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

3597. 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

3598. As per IS specifications, the maximum final setting time for ordinary Portland cement should be_______________?
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A. 1 hour

B. 10 hours

C. 6 hours

D. 30 minutes

3599. Study the following statements. (1) Hydraulic lime is suitable for white washing, (2) Fat lime is suitable for whitewashing, (3) Hydraulic lime is suitable for making mortar, (4) Fat lime is suitable for making mortar. The correct answer is______________?
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A. (1) and (2)

B. (1) and (4)

C. (3) and (4)

D. (2) and (3)
3600. With increase in moisture content, the bulking of sand_______________?
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A. increases

B. first decreases to a certain minimum value and then increases

C. first increases to a certain maximum value and then decreases

D. decreases