civil engineering Mcqs
3654. The internal size of mould used in brick preparation is__________________?
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A. none of the above

B. equal to the size of a fully burnt brick

C. smaller than the size of a fully burnt brick

D. greater than the size of a fully burnt brick
3655. First class timber has an average life of_____________?
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A. 1 to 5 years

B. more than 10 years

C. 5 to 10 years

D. less than one year

3656. Gypsum consists of______________?
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A. C02 and calcium

B. CaS04 and H20

C. H2S and C02

D. Lime and H20

3658. Which of the following is a mineral ?
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A. basalt

B. quartz

C. syenite

D. granite

3659. The type of bond provided in brick masonry for carrying heavy loads is___________?
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A. double flemish bond

B. English bond

C. zigzag bond

D. single flemish bond

3660. Which of the following is a rock ?
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A. gypsum

B. mica

C. quartz

D. none of the above

3662. The type of joint commonly used at the junction of a principal rafter and tie beam in timber trussess is__________________?
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A. mortise and tennon joint

B. mitred joint

C. oblique mortise and tennon joint

D. butt joint

3663. Proper amount of entrained air in concrete results in__________?
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A. better resistance to freezing and thawing

B. lesser workability

C. less resistance to freezing and thawing The correct answer is:</strong></span>

D. ="color: #003f1a;">1. better workability
3664. Minimum width of landing should be_______________?
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A. one fourth the width of stairs

B. twice the width of stairs

C. half the width of stairs

D. equal to width of stairs
3665. As compared to English bond, double flemish bond is_________________?
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A. stronger

B. more compact

C. none of the above

D. costly

3666. Sum of tread and rise must lie between_______________?
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A. 400 to 450 mm

B. 600 to 650 mm

C. 300 to 350 mm

D. 500 to 550 mm

3667. Mansard roof is a roof which slopes in________________?
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A. two directions without break in the slope on each side

B. four directions without break in the slope on each side

C. two directions with break in the slope on each side

D. four directions with break in the slope on each side
3671. The term string is used for______________?
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A. the underside of a stair

B. outer projecting edge of a tread

C. a sloping member which supports the steps in a stair

D. a vertical member between two treads

3676. Pitched and sloping roofs are suitable for________________?
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A. all of the above

B. plain regions

C. coastal regions

D. covering large areas

3677. In a colar beam roof_______________?
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A. there is a horizontal tie at almost the middle of rafters only

B. there is a horizontal tie at the feet of rafters only

C. there is no horizontal tie beam

D. there are two horizontal ties, one at the feet and other at the middle of the rafters

3680. The function of king post in a king post roof truss is_______________?
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A. to receive the ends of principal rafter

B. to support the frame work of the roof

C. to prevent the walls from spreading outward

D. to prevent the tie beam from sagging at its centre
3681. The function of cleats in a roof truss is______________?
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A. all of the above

B. to support the common rafter

C. to support purlins

D. to prevent the purlins from tilting
3684. The type of footing which is used to transmit heavy loads through steel columns is_______________?
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A. isolated footing

B. well foundation

C. grillage foundation

D. raft foundation

3686. For a loose sand sample and a dense sand sample consolidated to the same effective stress_____________?
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A. ultimate strength is different but peak strength is same

B. ultimate strength is same but peak strength of dense sand is greater than that of loose sand

C. ultimate strength is same and also peak strength is same

D. ultimate strength is same but peak

3687. Which of the following is a measure of particle size range ?
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A. coefficient of curvature

B. none of the above

C. uniformity coefficient

D. effective size

3688. A fully saturated soil is said to be________________?
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A. two phase system with soil and water

B. three phase system

C. two phase system with soil and air

D. one phase system

3689. Time factor for a clay layer is_______________?
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A. independent of thickness of clay layer

B. inversely proportional to drainage path

C. a dimensional parameter

D. directly proportional to permeability of soil
3690. Highway Research Board (HRB) classification of soils is based on__________________?
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A. particle size composition

B. plasticity characteristics

C. both particle size composition and plasticity characteristics

D. none of the above

3691. If the water table rises upto ground surface, then the___________________?
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A. total stress is increased due to de-crease in pore water pressure but effective stress does not change

B. total stress is reduced due to increase in pore water pressure only but effec-tive stress does not change

C. effective stress is reduced due to increase in pore water pressure only but total stress does not change

D. effective stress is reduced due to decrease in total stress only but pore water pressure does not change

3693. The total discharge from two wells situated near to each other is_________________?
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A. greater than the sum of the discharges from individual wells

B. less than the sum of the discharges from individual wells

C. equal to larger of the two discharges from individual wells

D. sum of the discharges from individual wells

3696. Uniformity coefficient of a soil is__________________?
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A. always less than 1

B. equal to or less than 1

C. always equal to 1

D. equal to or gi eater than 1
3697. The ultimate consolidation settlement of a soil is________________?
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A. directly proportional to the voids ratio

B. directly proportional to the compression index

C. inversely proportional to the compression index

D. none of the above

3698. Select the correct statement?
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A. Unit weight of soil increases due to submergence in water

B. Unit weight of dry soil is greater than unit weight of wet soil

C. Unit weight of soil decreases due to submergence in water

D. For dry soils, dry unit weight is less than total unit weight

3700. Allowable bearing pressure for a foundation depends upon_______________?
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A. allowable settlement only

B. ultimate bearing capacity of soil only

C. both allowable settlement and ultimate bearing capacity

D. none of above