Explore topic-wise MCQs in Civil Engineering.

This section includes 142 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

The most important tool in brick laying for lifting and spreading mortar and for forming joints is____________?

A. trowel
B. square
C. bolster
D. scutch
Answer» B. square
52.

The most commonly used retarder in cement is_________________?

A. gypsum
B. calcium chloride
C. calcium carbonate
D. none of the above
Answer» B. calcium chloride
53.

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

A. gypsum
B. calcium chloride
C. calcium carbonate
D. none of the above
Answer» C. calcium carbonate
54.

The moisture content in a well seasoned timber is_______________?

A. 4% to 6%
B. 10% to 12%
C. 15% to 20%
D. 100%
Answer» C. 15% to 20%
55.

The minimum depth of foundation in clayey soils is_______________?

A. 0.5 m
B. 0.7 m
C. 0.9 m
D. 1.2 m
Answer» D. 1.2 m
56.

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

A. 25 mm
B. 25 to 40 mm
C. 40 to 65 mm
D. 65 to 100 mm
Answer» E.
57.

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

A. 25 mm
B. 40 mm
C. 65 mm
D. 100 mm
Answer» D. 100 mm
58.

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

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
59.

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

A. 10
B. 12
C. 15
D. no limit
Answer» C. 15
60.

The main ingredients of Portland cement are________________?

A. lime and silica
B. lime and alumina
C. silica and alumina
D. lime and iron
Answer» B. lime and alumina
61.

The main function of alumina in brick earth is_______________?

A. to impart plasticity
B. to make the brick durable
C. to prevent shrinkage
D. to make the brick impermeable
Answer» B. to make the brick durable
62.

The main constituent which imparts hydraulicity to hydraulic lime is______________?

A. calcium oxide
B. silica
C. clay
D. water
Answer» D. water
63.

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

A. dicalcium silicate
B. tricalcium silicate
C. tricalcium aluminate
D. all of the above
Answer» D. all of the above
64.

The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as______________?

A. hip
B. gable
C. ridge
D. eaves
Answer» E.
65.

The lintels are preferred to arches because______________?

A. arches require more headroom to span the openings like doors, windows etc
B. arches require strong abutments to withstand arch thrust
C. arches are difficult in construction
D. all of the above
Answer» E.
66.

The internal size of mould used in brick preparation is__________________?

A. equal to the size of a fully burnt brick
B. smaller than the size of a fully burnt brick
C. greater than the size of a fully burnt brick
D. none of the above
Answer» D. none of the above
67.

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

A. 10 minutes
B. 30 minutes
C. 60 minutes
D. 600 minutes
Answer» C. 60 minutes
68.

The important test to be conducted on a stone used in docks and harbors is________________?

A. hardness test
B. work ability test
C. weight test
D. toughness test
Answer» D. toughness test
69.

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

A. ridge board
B. hip rafter
C. eaves board
D. valley rafter
Answer» B. hip rafter
70.

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

A. to support the frame work of the roof
B. to receive the ends of principal rafter
C. to prevent the walls from spreading outward
D. to prevent the tie beam from sagging at its centre
Answer» E.
71.

The function of cleats in a roof truss is______________?

A. to support the common rafter
B. to support purlins
C. to prevent the purlins from tilting
D. all of the above
Answer» D. all of the above
72.

The frog of the brick in a brick masonry is generally kept on______________?

A. bottom face
B. top face
C. shorter side
D. longer side
Answer» C. shorter side
73.

The disease of dry rot in timber is caused by_____________?

A. lack of ventilation
B. alternate wet and dry conditions
C. complete submergence in water
D. none of the above
Answer» B. alternate wet and dry conditions
74.

The differential settlement in case of foundations on sandv soils should not exceed_____________?

A. 25 mm
B. 40 mm
C. 65 mm
D. 100 mm
Answer» B. 40 mm
75.

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

A. dicalcium silicate
B. tricalcium silicate
C. tricalcium aluminate
D. tetra calcium alumino ferrite
Answer» D. tetra calcium alumino ferrite
76.

The bearing capacity of a water logged soil can be improved by_____________?

A. compacting the soil
B. draining the soil
C. increasing the depth of foundation
D. grouting
Answer» C. increasing the depth of foundation
77.

The basic purpose of a retarder in concrete is_____________?

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 render the concrete more water tight
D. to improve the workability of concrete mix
Answer» B. to decrease the initial setting time of cement paste in concrete
78.

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

A. 0.2 liter
B. 0.4 liter
C. 0.6 liter
D. 0.8 liter
Answer» D. 0.8 liter
79.

The age of a tree can be known by examining_________________?

A. cambium layer
B. annular rings
C. medullary rays
D. heart wood
Answer» C. medullary rays
80.

Sapwood consists of______________?

A. innermost annular rings around the pith
B. portion of timber between heartwood and cambium layer
C. thin layers below the bark
D. thin fibre which extends from the pith outwards and holds the annular rings together
Answer» C. thin layers below the bark
81.

Sandstone is a ________________?_x005F_x000D_i. sedimentary rock_x005F_x000D_ii. aqueous rock_x005F_x000D_iii. silicious rock_x005F_x000D__x005F_x000D_The correct answer is:

A. only (i)
B. both (i) and (ii)
C. both (i) and (iii)
D. all (i), (ii) and (iii)
Answer» E.
82.

Quick lime is_______________?

A. calcium carbonate
B. calcium oxide
C. calcium hydroxide
D. none of the above
Answer» C. calcium hydroxide
83.

Quick lime is (1) slow in setting (2) rapid in slacking (3) good in strength The correct answer is____________?

A. only (1)
B. only (2)
C. both (1) and (2)
D. both (2) and (3)
Answer» D. both (2) and (3)
84.

Quartitze is a_____________?

A. silicious rock
B. argillaceous rock
C. calcareous rock
D. aqueous rock
Answer» B. argillaceous rock
85.

Pug mill is used for_______________?

A. preparation of clay
B. moulding of clay
C. drying of bricks
D. burning of bricks
Answer» B. moulding of clay
86.

Proper amount of entrained air in concrete results in__________?_x005F_x000D_1. better workability_x005F_x000D_2. better resistance to freezing and thawing_x005F_x000D_3. lesser workability_x005F_x000D_4. less resistance to freezing and thawing The correct answer is:

A. (1) and (2)
B. (1)and(4)
C. (2)and (3)
D. (3)and (4)
Answer» B. (1)and(4)
87.

Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is_________________?

A.
B. 30°
C. 45°
D. 90°
Answer» E.
88.

Plywood has the advantage of_____________?

A. greater tensile strength in longer direction
B. greater tensile strength in shorter direction
C. same tensile strength in all directions
D. none of the above
Answer» D. none of the above
89.

Pitched and sloping roofs are suitable for________________?

A. coastal regions
B. plain regions
C. covering large areas
D. all of the above
Answer» B. plain regions
90.

Percentage of silica in a good brick earth lies between_______________?

A. 5 to 10%
B. 20 to 30%
C. 50 to 60%
D. 70 to 80%
Answer» D. 70 to 80%
91.

Percentage of carbon content in mild steel is_______________?

A. less than 0.25
B. between 0.25 and 0.7
C. between 0.7 and 1.5
D. greater than 1.5
Answer» B. between 0.25 and 0.7
92.

Paints with white lead base are suitable for painting of______________________?

A. wood work
B. iron work
C. both wood work and iron work
D. none of the above
Answer» B. iron work
93.

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. 1/2
B. 1
C. 2
D. 1/4
Answer» B. 1
94.

Number of bricks required for one cubic metre of brick masonry is____________?

A. 400
B. 450
C. 500
D. 550
Answer» D. 550
95.

Minimum width of landing should be_______________?

A. equal to width of stairs
B. half the width of stairs
C. twice the width of stairs
D. one fourth the width of stairs
Answer» B. half the width of stairs
96.

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

A. half brick thick
B. one brick thick
C. one and a half bricks thick
D. two bricks thick
Answer» D. two bricks thick
97.

Mansard roof is a roof which slopes in________________?

A. two directions without break in the slope on each side
B. two directions with break in the slope on each side
C. four directions without break in the slope on each side
D. four directions with break in the slope on each side
Answer» E.
98.

Le Chatelier’s device is used for determining the_______________?

A. setting time of cement
B. soundness of cement
C. tensile strength of cement
D. compressive strength of cement
Answer» C. tensile strength of cement
99.

Jumper is a tool used for_______________?

A. testing of stones
B. quarrying of stones
C. dressing of stones
D. none of the above
Answer» C. dressing of stones
100.

In which of the following pairs both trees yield soft wood ?

A. deodar and shishum
B. chir and sal
C. sal and teak
D. chir and deodar
Answer» E.