Civil Engineering MCQs

Solve Multiple-Choice Questions on Civil Engineering to prepare better for the GATE Exam. It is very beneficial to solve MCQs before exams for multiple reasons. You can practise, analyse and understand concepts while solving them. It will also help you in time management.

Civil Engineering MCQs are a prerequisite to the current examination pattern. If you wish to learn more about GATE MCQs, you can check notes, mock tests, and previous years’ question papers. Get an idea about Civil Engineering MCQs by solving the ones compiled below for your practice.

Civil Engineering Multiple-Choice Questions

1. A beam AB is fixed at both ends and carries a uniformly distributed load of intensity w per unit length run over its entire length. Due to some constructional defects, the end B is now reduced to a simple support. The percentage increase in bending moment at A is
1. 25
2. 50
3. 75
4. 100

Answer (a)

2. The structure shown in figure is stable if
   
1. X = (√3y)/2
2. X = 2y
3. √X = y
4. √(2)X = y

Answer (d)

3. The value of the ordinates, at the quarter span of the influence line diagram for the midspan bending moment of a simply supported beam, is 0.5 m. If the span of the beam is doubled, what will be the ordinates at the midspan of the influence line?
1. 2.0 m
2. 1.0 m
3. 0.5 m
4. None of the above.

Answer (a)

4. In the beam shown in the figure, if the displacement at C due to load W at B is 5mm, the displacement at B due to a load of 0.2 W at C will be
1. 1 mm
2. 2 mm
3. 5 mm
4. 25 mm

Answer (a)

5. The shape of a cable under the UDL load over the length of the cable is
1. Catenary
2. Parabolic
3. Triangular
4. Polygonal

Answer (b)

6. In a two hinged parabolic arch
1. An increase in temperature will decrease the horizontal thrust
2. An increase in temperature will increase the bending moment
3. An increase in temperature will increase the horizontal thrust
4. If the UDL is placed over the entire span of arch, it will give zero bending anywhere on the span

Answer (d)

7. The neutral axis by WSM of the reinforced beam passes through
1. Centre of gravity of the concrete section
2. Centroid of the transformed section
3. Centroid of the concrete section
4. None of these

Answer (b)

8. According to IS 456 – 2000, which of the following criteria is/are not valid for a column?
1. Minimum diameter of longitudinal bar is 12 mm
2. The maximum compressive strain in concrete in axial compression is 0.002
3. To find out load carrying capacity of column grade of concrete, grade of steel, cross section area of column & diameter of longitudinal reinforcement required
4. For a circular column with lateral ties load carrying capacity is increased by 5%

Answer (d)

9. The purpose of reinforcement in prestressed concrete is
1. To provide adequate bond stress
2. To resist tensile stresses
3. To impart initial compressive stress in concrete
4. All of the above

Answer (c)

10. If the loading on a prestressed rectangular beam, is uniformly distributed, the tendon to be provided should be
1. Straight below centroidal axis
2. Parabolic with convexity downward
3. Parabolic with convexity upward
4. Straight above centroidal axis

Answer (b)

11. The rectangular beam of width, 250 mm, has an effective depth of 317 mm. The concrete grade is M20, and the grade of reinforcing steel is Fe415. The moment capacity of the section due to concrete as per limit state method is
1. 52.046 kNm
2. 69.395 kNm
3. 86.744 kNm
4. 104.093 kNm

Answer (c)

12. An unrestrained reinforced concrete slab of effective dimension 4.5m x 6.0 m is simply supported on all four walls. It has to carry a characteristic live load of 10kN/sq.m in addition to the dead load. Assuming M25 and Fe415, thickness of the slab being 200 mm and fishing load of 1kN/sq.m, what should be the design load as per the limit state method?
1. 16 kN/sq.m
2. 24 kN/sq.m
3. 20 kN/sq.m
4. 22 kN/sq.m

Answer (b)

13. If the area for maximum mid span moment is 205 sq.mm, what would be the area required for the corner reinforcement at both edges?
1. 153.75 sq.mm
2. 205 sq.mm
3. None of these
4. 41 sq.mm

Answer (c)

14. The bond strength of concrete increases with
1. The quality of steel
2. The tensile strength of the steel
3. The grade of concrete
4. Quality of concrete

Answer (c)

15. Which one of the following methods gives the best estimate of population growth of a community with limited land area for future expansion?
1. Arithmetical increase method
2. Geometrical increase method
3. Incremental increase method
4. Logistic method

Answer (d)

16. Double filtration is used
1. To increase the filtration capacity of slow sand filters
2. To increase the filtration capacity of rapid sand filters
3. For isolated colonies of a few houses
4. For none of the above

Answer (a)

17. Manholes are generally located

i. At all changes of direction of sewer

ii. At all changes of gradient of sewer

iii. At all junctions of different sewers

iv. When the diameter of sewer is lesser

1. 1, 2 & 3
2. 1, 2, 3, & 4
3. 2, 3, & 4
4. None of these

Answer (a)

18. What is the most expensive component of solid waste handling?
1. Collection
2. Storage
3. Treatment
4. Separation

Answer (a)

19. If the maximum and minimum resultant forces of two forces acting on a particle are 40 kN and 10 kN, respectively, the two forces in question would be
1. 25 kN and 15 kN
2. 20 kN and 20 kN
3. 20 kN and 10 kN
4. 20 kN and 5 kN

Answer (a)

20. Gantt charts indicate
1. Comparison of actual progress with the scheduled progress
2. Balance of work to be done
3. Progressive costs of project
4. Inventory costs
   
   Answer (C)
21. There are 3 parallel paths in a part of a network between a bursting node and the next merging node with only one activity in each path. Minimum number of required dummies will be
1. 0
2. 1
3. 2
4. 3

Answer (c)

22. The probability distribution taken to represent the completion time in PERT analysis is
1. Gamma distribution
2. Normal distribution
3. Beta distribution
4. Log-normal distribution

Answer (b)

23. Whenever an activity has zero total float, then
1. Free float of the activity must be zero, but independent float need not be zero
2. Independent float need not be zero
3. Free float and independent float both must be zero
4. Free float and independent float both need not be zero

Answer (c)

24. In a critical path network, which of the following are involved?

i. A series of interconnected activities.

ii. Consideration for uncertainties in time estimates.

iii. A logical sequence of activities is provided.

iv. The node number at the arrowhead is numerically smaller than that at tail end.

1. 1 and 2
2. 2 and 3
3. 3 and 4
4. 1 and 3

Answer (d)

25. In general, direct cost
1. Increases as time decreases
2. Decreases as time decreases
3. Is independent of time
4. Varies erratically with time

Answer (a)

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