Construction And Building Materials: Multiple Choice Question

Multiple-Choice Questions related to Construction and Building Materials in Civil Engineering. For more Multiple Choice questions visit Building And Construction Materials Set 1

Construction And Building Materials

 

Early attainment of strength in rapid hardening cement is mainly due to ??

a. tricalcium aluminate
b. tricalcium silicate
c. finer grinding
d. gypsum

 

The main ingredients of Portland cement are ??

a. lime and iron
b. silica and alumina
c. lime and alumina
d. lime and silica

 

According to IS specifications, the compressive strength of ordinary portland cement after three days should not be less than ??

a. 21 MPa
b. 16 MPa
c. 11.5 MPa
d. 7 MPa

 

Le Chatelier’s device is used for determining the ??

a. compressive strength of cement
b. tensile strength of cement
c. the soundness of cement
d. setting time of cement

 

With an increase in moisture content, the bulking of sand ??

a. first decreases to a certain minimum value and then increases
b. first increases to a certain maximum value and then decreases
c. decreases
d. increases

 

The initial setting time for ordinary Portland cement as per IS specifications should not be less than ??

a. 600 minutes
b. 60 minutes
c. 30 minutes
d. 10 minutes

 

Addition of pozzolana to ordinary Portland cement increases ??

a. heat of hydration
b. permeability
c. shrinkage
d. bleeding

 

The constituent of cement which is responsible for all the undesirable properties of cement is ??

a. tetra calcium alumino ferrite
b. tricalcium aluminate
c. tricalcium silicate
d. dicalcium silicate

 

The slump recommended for mass concrete is about ??

a. 125 mm to 150 mm
b. 100 mm to 125 mm
c. 50 mm to 100 mm
d. 25 mm to 50 mm

 

As per IS specifications, the maximum final setting time for ordinary Portland cement should be ??

a. 10 hours
b. 6 hours
c. 1 hour
d. 30 minutes

 

MCQs Construction

 

After storage, the strength of cement ??

a. may increase or decrease
b. remains the same
c. increases
d. decreases

 

Study the following statements. (1) Hydraulic lime is suitable for whitewashing, (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 ??

a. (3) and (4)
b. (1) and (2)
c. (2) and (3)
d. (1) and (4)

 

The normal consistency of ordinary Portland cement is about ??

a. 40%
b. 30%
c. 20%
d. 10%

 

Assertion A: Pure lime takes a long time to develop adequate strength. Reason R: Pure lime has slow hardening characteristics. Select your answer according to the coding system given below ??

a. A is false but R is true
b. A is true but R is false
c. Both A and R are true and R is not a correct explanation of A
d. Both A and R are true and R is the correct explanation of A

 

Gypsum consists of ??

a. C02 and calcium
b. Lime and H20
c. CaS04 and H20
d. H2S and C02

 

The main constituent which imparts hydraulicity to hydraulic lime is ??

a. water
b. clay
c. silica
d. calcium oxide

 

For testing the compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of ??

a. 1:6
b. 1:4
c. 1:3
d. 1:2

 

The main constituent of cement which is responsible for the initial setting of cement is ??

a. tricalcium aluminate
b. tricalcium silicate
c. dicalcium silicate
d. all of the above

 

Which of the following cement is suitable for use in massive concrete structures such as large dams ??

a. sulfate resisting cement
b. rapid hardening cement
c. low heat cement
d. ordinary Portland cement

 

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

a. 150 mm
b. 100 mm
c. 70.6 mm
d. 50 mm

 

Construction And Building Materials

 

The amount of water used for one kg of distemper is ??

a. 0.8 liter
b. 0.6 liter
c. 0.4 liter
d. 0.2 liter

 

The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is ??

a. 4
b. 3
c. 2
d. 1

 

In brick masonry, the bond produced by laying alternate headers and stretchers in each course is known as ??

a. single flemish bond
b. zigzag bond
c. double flemish bond
d. English bond

 

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

a. calcium chloride
b. calcium carbonate
c. gypsum
d. none of the above

 

The vehicle used in the case of enamel paints is usually ??

a. varnish
b. water
c. linseed oil
d. none of the above

 

Which of the following gradients exerts maximum influence on the properties of steel ??

a. Sulphur
b. manganese
c. carbon
d. iron

 

Paints with white lead base are suitable for painting of ??

a. both woodwork and ironwork
b. ironwork
c. woodwork
d. none of the above

 

Three basic raw materials which are needed in large quantities for the production of steel are ??

a. iron ore, carbon, and limestone
b. iron ore, coal, and limestone
c. iron ore, carbon, and sulfur
d. iron ore, coal, and sulphur

 

Which of the following stresses is used for identifying the quality of structural steel ??

a. yield stress
b. proof stress
c. ultimate stress
d. none of the above

 

Which of the following cement contains the maximum percentage of dicalcium silicate ??

a. sulphate resisting cement
b. rapid hardening cement
c. low heat cement
d. ordinary Portland cement

 

Construction And Building Materials

 

Assertion A: Paints with a white lead base are not recommended for the painting ironworks. Reason R: Paints with white lead base do not check to rust of iron. Select your answer according to the coding system given below ??

a. A is false but R is true
b. A is true but R is false
c. Both A and R are true but R is not the correct explanation of A
d. Both A and R are true and, R is the correct explanation of A

 

The ultimate tensile strength of structural mild steel is about ??

a. 520 N/mm2
b. 420 N/mm2
c. 260N/mm2
d. 160N/mm2

 

The ratio of the thickness of the web to that of a flange of steel rolled structural beams and channels is ??

a. less than 1 in beams but greater than 1 in channels
b. greater than 1
c. equal to 1
d. less than 1

 

The most commonly used retarder in cement is ??

a. calcium carbonate
b. calcium chloride
c. gypsum
d. none of the above

 

Percentage of carbon content in mild steel is ??

a. greater than 1.5
b. between 0.7 and 1.5
c. between 0.25 and 0.7
d. less than 0.25

 

The basic purpose of a retarder in concrete is ??

a. to improve the workability of concrete mix
b. to render the concrete more watertight
c. to decrease the initial setting time of cement paste in concrete
d. to increase the initial setting time of cement paste in concrete

 

The pressure acting on the stones in stone masonry construction should be ??

a. perpendicular to the direction of bedding planes
b. at 60° to the direction of bedding planes
c. at 45° to the direction of bedding planes
d. along the direction of bedding planes

 

Which of the following is the purest form of iron ??

a. high carbon steel
b. mild steel
c. wrought iron
d. cast iron

 

A queen closer is a ??

a. brick with half the width at one end and full width at the other
b. brick having the same length and depth as the other bricks but half the breadth
c. brick laid with its breadth parallel to the face or direction of wall
d. brick laid with its length parallel to the face or direction of the wall

 

Assertion A: Normally turpentine oil is recommended as thinner for indoor painting. Reason R: Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below ??

a. A is false but R is true
b. A is true but R is false
c. Both A and R are true but R is not the correct explanation of A
d. Both A and R are true and R is the correct explanation of A

 

Construction And Building Materials

 

The number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to ??

a. 1/4
b. 2
c. 1
d. 1/2

 

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

a. 280 mm
b. 190 mm
c. 180 mm
d. 90 mm

 

Single flemish bond consists of ??

a. double flemish bond facing and header bond backing in each course
b. stretcher bond facing and double flemish bond backing in each course
c. English bond facing and double flemish bond backing in each course
d. double flemish bond facing and English bond backing in each course

 

Which of the following should be used for the hearting of thicker walls ??

a. queen closer
b. brickbats
c. stretchers
d. headers

 

In the case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to ??

a. replace the poor soil
b. compact the soil
c. drain the soil
d. increase the depth of the foundation

 

The most important tool in bricklaying for lifting and spreading mortar and for forming joints is ??

a. scutch
b. bolster
c. square
d. trowel

 

The maximum total settlement for isolated foundations on clayey soils should be limited to ??

a. 100 mm
b. 65 mm
c. 40 mm
d. 25 mm

 

The type of bond provided in brick masonry for carrying heavy loads is ??

a. zigzag bond
b. English bond
c. double flemish bond
d. single flemish bond

 

The maximum total settlement for raft foundation on clayey soils should be limited to ??

a. 65 to 100 mm
b. 40 to 65 mm
c. 25 to 40 mm
d. 25 mm

 

Minimum thickness of wall where the single flemish bond can be used is ??

a. two bricks thick
b. one and a half bricks thick
c. one brick thick
d. half brick thick

 

Construction And Building Materials

 

The type of flooring suitable for use in churches, theatres, public libraries, and other places where noiseless floor covering is desired is ??

a. linoleum flooring
b. wooden flooring
c. glass flooring
d. cork flooring

 

Expansion Joints in masonry walls are provided in wall lengths usater than ??

a. 40 m
b. 30 m
c. 20 m
d. 10 m

 

Depth or height of the arch is the ??

a. perpendicular distance between a springing line and extrados
b. the vertical distance between a springing line and intrados
c. the perpendicular distance between intrados and extrados
d. none of the above

 

A mortar joint in masonry which is normal to the face of the wall is known as ??

a. bonded joint
b. cross joint
c. wall joint
d. bed joint

 

The type of pile which is driven at an inclination to resist inclined forces is known as ??

a. anchor pile
b. batter pile
c. sheet pile
d. friction pile

 

The proportions of lime and sand in the mortar normally used in brick construction are ??

a. 1:8
b. 1:6
c. 1:4
d. 1:2

 

The bearing capacity of a waterlogged soil can be improved by ??

a. grouting
b. increasing the depth of foundation
c. draining the soil
d. compacting the soil

 

As compared to the stretcher course, the thickness of joints in the header course should be ??

a. equal or more
b. equal
c. more
d. less

 

The minimum depth of foundation in clayey soils is ??

a. 1.2 m
b. 0.9 m
c. 0.7 m
d. 0.5 m

 

The slenderness ratio for masonry walls should not be more than ??

a. 40
b. 30
c. 20
d. 10

 

Construction And Building Materials

 

Mansard roof is a roof which slopes in ??

a. four directions with a break in the slope on each side
b. four directions without break in the slope on each side
c. two directions with a break in the slope on each side
d. two directions without break in the slope on each side

 

The vertical distance between the springing line and the highest point of the inner curve of an arch is known as ??

a. extrados
b. spandril
c. rise
d. intrados

 

The lower edge of the pitched roof, from where the rainwater of the roof surface drops down, is known as ??
a. eaves
b. ridge
c. gable
d. hip

 

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 ??

a. flat arch
b. relieving arch
c. pointed arch
d. segmental arch

 

Couple close roof is suitable for the maximum span of ??

a. 5.5 m
b. 4.5 m
c. 3.5 m
d. 2.5 m

 

The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as ??

a. skewbacks
b. voussoirs
c. spandril
d. haunch

 

Higher pitch of the roof (1) results in the stronger roof (2) results in the weaker roof (3) requires more covering material (4) requires less covering material The correct answer is ??

a. (2) and (4)
b. (2) and (3)
c. (1) and (4)
d. (1) and (3)

 

In the construction of arches, the sandbox method is used for ??

a. striking of centering
b. the actual laying of arch work
c. centering
d. none of the above

 

The function of cleats in a roof truss is ??

a. to prevent the purlins from tilting
b. to support purlins
c. to support the common rafter
d. all of the above

 

 The type of roof suitable in plains where rainfall is meager and temperature is high is ??

a. flat roof
b. shell roof
c. pitched and sloping roof
d. none of the above

 

Construction And Building Materials

 

The lintels are preferred to arches because ??

a. arches are difficult in construction
b. arches to require strong abutments to withstand arch thrust
c. arches require more headroom to span the openings like doors, windows etc
d. all of the above

 

The function of a king post in a king post roof truss is ??

a. to prevent the tie beam from sagging at its center
b. to prevent the walls from spreading outward
c. to receive the ends of principal rafter
d. to support the framework of the roof

 

The type of joint commonly used at the junction of a principal rafter and tie-beam in timber trusses is ??

a. mitred joint
b. butt joint
c. oblique mortise and tennon joint
d. mortise and tennon joint

 

 In any good staircase, the maximum and minimum pitch respectively should be ??

a. 40° and 25°
b. 60° and 10°
c. 75° and 30°
d. 90° and 0°

 

The type of roof which slopes in two directions with a break in the slope on each side is known as ??

a. mansard roof
b. gambrel roof
c. hip roof
d. gable roof

 

Sum of tread and rise must lie between ??

a. 600 to 650 mm
b. 500 to 550 mm
c. 400 to 450 mm
d. 300 to 350 mm

 

The horizontal timber piece provided at the apex of a roof truss that supports the common rafter is called ??

a. valley rafter
b. eaves board
c. hip rafter
d. ridge board

 

The maximum number of steps in a flight should generally be restricted to ??

a. no limit
b. 15
c. 12
d. 10

 

Pitched and sloping roofs are suitable for ??

a. covering large areas
b. plain regions
c. coastal regions
d. all of the above

 

The proper amount of entrained air in concrete results in ??
1. better workability
2. better resistance to freezing and thawing
3. lesser workability
4. less resistance to freezing and thawing The correct answer is ??

a. (3)and (4)
b. ((2)and (3)
c. (1)and(4)
d. (1) and (2)

 

Construction And Building Materials

 

Compared to mild steel, cast iron has (1) high compressive strength (2) high tensile strength (3) low compressive strength (4) low tensile strength The correct answer is ??

a. (1) and (4)
b. (3) and (4)
c. (2) and (3)
d. (1) and (2)

 

 As compared to English bond, a double flemish bond is ??

a. more compact
b. costly
c. stronger
d. none of the above

 

The differential settlement in case of foundations on sandy soils should not exceed ??

a. 100 mm
b. 65 mm
c. 40 mm
d. 25 mm

 

The type of footing which is used to transmit heavy loads through steel columns is ??

a. isolated footing
b. well foundation
c. grillage foundation
d. raft foundation

 

In a collar beam roof ??

a. there are two horizontal ties, one at the feet and the other at the middle of the rafters
b. there is a horizontal tie at almost the middle of rafters only
c. there is a horizontal tie at the feet of rafters only
d. there is no horizontal tie beam

 

The term string is used for ??

a. a vertical member between two treads
b. a sloping member which supports the steps in a stair
c. the outer projecting edge of a tread
d. the underside of a stair

 

The number of steps in a flight generally should not be less than ??

a. 5
b. 3
c. 2
d. no limit

 

The vertical posts placed at the top and bottom ends of a flight supporting the handrail are known as ??

a. railings
b. balustrades
c. newal posts
d. balusters

 

Minimum width of landing should be ??

a. one-fourth the width of stairs
b. twice the width of stairs
c. half the width of stairs
d. equal to the width of stairs

Leave a Comment

Your email address will not be published. Required fields are marked *

error: Content is protected !!