Explore topic-wise MCQs in Civil Engineering.

This section includes 264 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.

Bearing stiffeners are provided at(i) The supports(ii) The mid span(iii) The point of application of concentrated loadsThe correct answer is

A. Only (i)
B. Both (i) and (ii)
C. Both (i) and (iii)
D. (i), (ii) and (iii)
Answer» D. (i), (ii) and (iii)
52.

Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds

A. 50 t
B. 85 t
C. 200 t
D. 250 tt
Answer» C. 200 t
53.

A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than

A. d/250 for structural steel
B. d/225 for high tensile steel
C. Both (c) and (b)
D. Neither (a) nor (b)
Answer» D. Neither (a) nor (b)
54.

Which of the following sections should preferably be used at places where torsion occurs ?

A. angle section
B. channel section
C. box type section
D. any of the above
Answer» D. any of the above
55.

When the bolts are subjected to reversal of stresses, the most suitable type of bolt is________________?

A. black bolt
B. ordinary unfinished bolt
C. turned and fitted bolt
D. high strength bolt
Answer» E.
56.

When the axis of load lies in the plane of rivet group, then the rivets are subjected to________________?

A. only shear stresses
B. only tensile stresses
C. both (A) and (B)
D. none of the above
Answer» B. only tensile stresses
57.

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which________________?

A. is at the maximum distance from CG of the rivet group
B. is at the minimum distance from CG of the rivet group
C. gives the maximum angle between the two forces Fa and Fm
D. gives the minimum angle between the two forces Fa and Fm
Answer» E.
58.

To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be_______________?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
59.

The web crippling due to excessive bearing stress can be avoided by_________________?

A. increasing the web thickness
B. providing suitable stiffeners
C. increasing the length of the bearing plates
D. none of the above
Answer» D. none of the above
60.

The use of tie plates in laced columns is_________________?

A. prohibited
B. not prohibited
C. permitted at start and end of lacing system only
D. permitted between two parts of the lacing
Answer» D. permitted between two parts of the lacing
61.

The sway bracing is designed to transfer____________________?

A. 2Vi % of the top panel wind load to bottom bracing
B. 10% of the top panel wind load to bottom bracing
C. 25% of the top panel wind load to bottom bracing
D. 50% of the top panel wind load to bottom bracing
Answer» E.
62.

The statical method of plastic analysis satisfies_______________?

A. equilibrium and mechanism conditions
B. equilibrium and plastic moment conditions
C. mechanism and plastic moment conditions
D. equilibrium condition only
Answer» C. mechanism and plastic moment conditions
63.

The slenderness ratio of a column supported throughout its length by a masonry wall is________________?

A. zero
B. 10
C. 100
D. infinity
Answer» B. 10
64.

The slenderness ratio of lacing bars should not exceed________________?

A. 100
B. 120
C. 145
D. 180
Answer» D. 180
65.

The shape factor of an isosceles triangle for bending about the axis parallel to the base is________________?

A. 1.5
B. 1.7
C. 2.0
D. 2.34
Answer» E.
66.

The risk coefficient k, depends on__________________?

A. mean probable design life of structures
B. basic wind speed
C. both (A) and (B)
D. none of the above
Answer» D. none of the above
67.

The relation between intensity of wind pressure p and velocity of wind V is taken as_______________?

A. pa V
B. paV2
C. p a (1/V)
D. paV”2
Answer» C. p a (1/V)
68.

The ratio of plastic section modulus to elastic section modulus__________________?

A. is equal to 1
B. is always less than 1
C. is always greater than 1
D. can be less than 1
Answer» D. can be less than 1
69.

The range of economical spacing of trusses varies from________________?

A. L/3 to L/5
B. L/4to2L/5
C. L/3 to L/2
D. 2L/5 to 3L/5 where L is span
Answer» B. L/4to2L/5
70.

The portal bracing in a truss bridge is used to_____________________?

A. transfer load from top of end posts to bearings
B. keep the rectangular shape of the bridge cross-section
C. stiffen the structure laterally
D. prevent the sidesway buckling of top chord
Answer» B. keep the rectangular shape of the bridge cross-section
71.

The overlap of batten plates with the main members in welded connections should be more than____________________?

A. 3t
B. 4t
C. 6t
D. 8t
Answer» C. 6t
72.

The number of seismic zones in which the country has been divided are_________________?

A. 3
B. 5
C. 6
D. 7
Answer» C. 6
73.

The moment of inertia of the pair of vertical stiffeners about the center line of the web should not be less than__________________?

A. 1.5dV/C
B. 1.5d¥/C
C. 1.5d¥/C2
D. 1.5dY/C3
Answer» D. 1.5dY/C3
74.

The moment-curvature relation at a plastic hinge is________________?

A. linear
B. parabolic
C. constant moment for all curvatures
D. constant curvature for all moments
Answer» D. constant curvature for all moments
75.

The minimum thickness of plates in a steel stack should be___________________?

A. 4 mm
B. 5 mm
C. 6 mm
D. 8 mm
Answer» D. 8 mm
76.

The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be___________________?

A. 4.5 mm
B. 6 mm
C. 8 mm
D. 10 mm
Answer» D. 10 mm
77.

The mechanism method of plastic analysis satisfies___________________?

A. equilibrium and mechanism conditions
B. equilibrium and plastic moment conditions
C. mechanism and plastic moment conditions
D. equilibrium condition only
Answer» B. equilibrium and plastic moment conditions
78.

The mechanism method and the statical method give__________________?

A. lower and upper bounds respectively on the strength of structure
B. upper and lower bounds respectively on the strength of structure
C. lower bound on the strength of structure
D. upper bound on the strength of structure
Answer» C. lower bound on the strength of structure
79.

The maximum spacing of vertical stiffeners is_________________?

A. 1.33 d
B. 1.25 d
C. 1.5 d
D. 1.75 d
Answer» D. 1.75 d
80.

The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is________________?

A. 150
B. 180
C. 250
D. 350
Answer» D. 350
81.

The maximum slenderness ratio of a compression member carrying both dead and superimposed load is___________________?

A. 180
B. 200
C. 250
D. 350
Answer» B. 200
82.

The maximum permissible span of asbestos cement sheets is______________________?

A. 650 mm
B. 810 mm
C. 1250 mm
D. 1680 mm
Answer» E.
83.

The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as_______________?

A. 0.65 kN/m2
B. 0.75 kN/m2
C. 1.35 kN/m2
D. 1.50 kN/m2
Answer» B. 0.75 kN/m2
84.

The least dimension in case of a circular column of diameter D is taken as_______________?

A. 0.5 D
B. 0.68 D
C. 0.88 D
D. D
Answer» D. D
85.

The internal pressure coefficient on walls for buildings with large permeability is taken as_______________?

A. ± 0.2
B. ±0.5
C. ± 0.7
D. 0
Answer» D. 0
86.

The heaviest I-section for same depth is_________________?

A. ISMB
B. ISLB
C. ISHB
D. ISWB
Answer» D. ISWB
87.

The forces acting on the web splice of a plate girder are__________________?

A. axial forces
B. shear and axial forces
C. shear and bending forces
D. axial and bending forces
Answer» D. axial and bending forces
88.

The external wind pressure acting on a roof depends on__________________?

A. degree of permeability of roof
B. slope of roof
C. both (A) and (B)
D. none of the above
Answer» C. both (A) and (B)
89.

The elastic strain for steel is about_________________?

A. 1/12 of strain at the initiation of strain hardening and about 1/120 of maxi-mum strain
B. 1/2 of strain at the initiation of strain hardening and about 1/12 of maxi-mum strain
C. 1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
D. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain
Answer» D. 1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain
90.

The effective length of a fillet weld should not be less than___________________?

A. two times the weld size
B. four times the weld size
C. six times the weld size
D. weld size
Answer» C. six times the weld size
91.

The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as________________?

A. 1.8 L
B. L
C. 1.1 L
D. 1.5 L
Answer» D. 1.5 L
92.

The effective length of a battened column is increased by_________________?

A. 5%
B. 10%
C. 15%
D. 20%
Answer» C. 15%
93.

The effect of racking forces is considered in the design of_________________?_x005F_x000D_i) lateral braces_x005F_x000D_ii) chord members_x005F_x000D_The correct answer is

A. only (i)
B. only (ii)
C. both (i) and (ii)
D. none of the above
Answer» B. only (ii)
94.

The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is__________________?

A. 1.0 mm
B. 1.5 mm
C. 2.0 mm
D. 2.5 mm
Answer» C. 2.0 mm
95.

The diameter of base of conical flare of a steel stack is_____________________?

A. less than d
B. equal to d
C. more than d
D. any of the above
Answer» D. any of the above
96.

The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of___________________?

A. 75 t2/h
B. 125 t3/h2
C. 125 t2/h
D. 175 t2/h
Answer» D. 175 t2/h
97.

The centrifugal force due to curvature of track is assumed to act on the bridge at a height of___________________?

A. 1.23 m above the rail level
B. 1.50 m above the rail level
C. 1.83 m above the rail level
D. 2.13 m above the rail level
Answer» D. 2.13 m above the rail level
98.

The capacity of the smallest pressed steel tank is__________________?

A. 1000 litre
B. 1650 litre
C. 1950 litre
D. 2450 litre
Answer» D. 2450 litre
99.

The bracing provided in the plane of end posts is called__________________?

A. sway bracing
B. portal bracing
C. top lateral bracing
D. bottom lateral bracing
Answer» C. top lateral bracing
100.

The bracing between two columns of a steel tank will be designed to resist_________________?

A. horizontal shear due to wind or earthquake only
B. horizontal, shear due to wind or earthquake + 2.5% of column loads
C. column loads + 2.5% of horizontal shear due to wind or earthquake
D. column loads + full horizontal shear due to wind or earthquake
Answer» C. column loads + 2.5% of horizontal shear due to wind or earthquake