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UPSC IES Practice Questions Civil Engineering
Civil Engineering practice paper IES Exam – Indian Engineering Services
The Engineering Services Examination Sample Paper based on previous Questions
Civil Engineering practice paper IES Exam – Indian Engineering Services
The Engineering Services Examination Sample Paper based on previous Questions
1. For shorter storey height, cheaper form work and better lighting facilities, what is the
recommended slab floor?
(a) T beam and slab
(b) Two way slab
(c) Flat slab
(d) Framed structure
Ans. (c)
2. Usually stiffness of a simply supported beam is satisfied if the ratio of its span to depth does not exceed which one of the following?
(a) 7
(b) 10
(c) 20
(d) 26
Ans. (c)
3. When is an R.C.C. roof slab designed as a two way slab?
(a) If the slab is continuous over two opposite edges only
(b) If the slab is un-supported at one edge only
(c) If the ratio of spans in two directions is>2
(d) If the ratio of spans in two directions is<2
Ans. (d)
4. Which one of the following is correct?
When HYSD bars are used in place of mild steel bars in a beam, the bond strength
(a) does not change
(b) increase
(c) decreases
(d) becomes zero
Ans. (b)
5. In a singly reinforced beam, the tensile steel reaches its maximum allowable stress earlier than concrete. What is such a section known as?
(a) Under-reinforced section
(b) Over-reinforced section
(c) Balanced section
(d) Economic section
Ans. (a)
6. Why is the design of a R.C. section as over reinforced undesirable?
(a) It consumes more concrete
(b) It undergoes high strains
(c) It fails suddenly
(d) Its appearance is good
Ans. (c)
7. Which of the following are the advantages of a crawler mounted power shovel over a rubber-tyred equipment?
1. It can operate on soft and hard soil.
2. It is less expensive than rubber-tyred equipment.
3. It works faster than rubber-tyred equipment.
Select the correct answer using the code given below:
(a) 1, 2 and 3
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1 and 3 only
Ans. (b)
8. Fill factor range of a power shovel when used for well blasted rock is
(a) 0.9 – 1.0
(b) 0.8 – 0.9
(c) 0.6 -0.75
(d) 0.4 – 0.5
Ans. (a)
9. Match List-I with List-II and select the correct answer using the code given below the lists:
List-I List-II
(Facilitation) (Chart)
A. Bar Chart 1. Activity dependencies can be implied
B. Milestone Bar Chart 2. Resource requirement can be depicted
C. W.B.S. 3. Higher level of authority can effect monitoring and control
D. Linked Bar Chart 4. Trade based site supervision can be assigned
Code:
A B C D
(a) 4 3 2 1
(b) 2 1 4 3
(c) 4 1 2 3
(d) 2 3 4 1
Ans. (d)
10. Consider the following statements regarding CPM technique of project planning:
1. The critical path consists of those activities for which the total float is zero
2. Independent float is expressed as the difference between total float and the slack at the head event.
3. It is not possible to complete an activity earlier than the crash time
Which of the statements given above are correct?
(a) 1, 2 and 3
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1 and 3 only
Ans. (d)
11. A compounded bar consists of material A encased in material B. It is tightly secured at the ends. The coefficient of thermal expansion of A is more than that of B. If the temperature of the bar is increased, the stresses induced will be
(a) tensile in both materials
(b) compressive in both materials
(c) tensile in material B and compressive in material A
(d) compressive in material B and tensile in material A
Ans. (c)
12. What is the assumption in the steel beam theory of doubly reinforced beams?
(a) Only steel bars will resist tension
(b) Only concrete will resist tension
(c) Stress in tension steel equals the stress in compression steel
(d) Both concrete and steel will resist compression
Ans. (c)
13. Which one of the following is correct?
Fully prestressed concrete beams
(a) resist all the working loads by prestress
(b) resist the full live load by prestress
(c) resist the part of the load by prestress
(d) resist only the dead loads
Ans. (a)
14. For high class brick masonry, which are the proper bricks?
(a) refractory bricks
(b) Jhumb bricks
(c) Bull nose bricks
(d) Modular bricks
Ans. (d)
15. Match List-I with List II and select the correct answer using the code given below the lists:
List-I List-II
(Equipment) (Used as/with)
A. Clamshell 1. Paving mixer
B. Designation S 2. Aggregate storage bins at baching
and mixing plant
C. Designation E 3. Trasit mixer
D. Centralized production 4. Construction mixer
Code:
A B C D
(a) 2 3 1 4
(b) 2 4 1 3
(c) 1 3 2 4
(d) 1 4 2 3
Ans. (b)
16. The strain on the boom of a hoist is minimum when it is in the
(a) vertical position
(b) horizontal position
(c) inclined position general
(d) 450 inclined position
Ans. (c)
Directions: Each of the following six (6) items consists of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R)’. Your are to examine these two statements carefully and select the answers to these items using the codes given below:
Codes:
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R, is false
(d) A is false but R is true
17. Assertion (A): Addition of calcium chloride while preparing concrete proves more effective with slow hardening Portland cement than with rapid hardening cement.
Reason (R): Calcium chloride is an effective accelerator in increasing the rate of relevant reaction.
Ans. (a)
18.Assertion (A): The volume of mortar needed for plastering on both faces of a one-brick wall is more than that for the same area on both faces together of any other thickness of brick, wall.
Reason (R): More water evaporates from the wetted bricks in case of a one-brick wall and also the joints have to be more commonly raked.
Ans. (c)
19. Assertion (A): In a tension test on a cast iron specimen, the failure of the specimen is on a cross section perpendicular to the axis of the specimen.
Reason (R): The failure of the specimen is on a plane subjected to maximum tensile stress and cast iron is relatively weak in tension.
Ans. (a)
20. Assertion (A): In a tension test on a mild steel specimen, the failure of the specimen is along a plane at 45° to the cross section.
Reason (R): The failure of the specimen is on a plane subjected to. maximum shear stress and mild steel is relatively weak in shear.
Ans. (a)
21. Assertion (A): Linked bar chart cannot be developed from and AON network as easily as from an AOA network.
Reason (R): AON network do not incorporate information corresponding to dummy arrows o AOA networks.
Ans. (a)
22. Assertion (A): Whereas crashing considers only the negative cost slope aspects, resource allocation may need consideration of the positive cost slope aspects also.
Reason (R): Implement ability is based on manageability and affordability of resource histograms.
Ans. (b)
23. Match List-I with List-II select the correct answer using the code given below the lists:
List-I List-Il
(Equipment) (Category)
A. Derrick Crane 1. Excavating equipment
B. Hoe 2. Hauling equipment
C. Clam shell 3. Hoisting equipment
13. Dumper Truck 4. Lifting equipment
Code:
A B C D
(a) 3 1 4 2
(b) 4 2 3 1
(c) 3 2 4 1
(d) 4 1 3 2
Ans. (d)
24. Which one of the following techniques is most suitable in case of research and development type of activity?
(a) Critical Path Method
(b) Project Evaluation and Review Technique
(c) Bar Chart
(d) Graphical Evaluation and Review Technique
Ans. (b)
25. A tunnel of length of 800 m is to be driven. Part of the total length is through granite and balance is through sandstone. Granite can be tunneled at 10 m per day and sandstone at 20 m per day. Two mutually exclusive site conditions can be
(1) A probability of 0.4 for 600 m granite with 200 m sandstone;
(2) Probability of 0.6 that each is 400 m long. The probabilistic estimate of total tunneling duration is
(a) 75 days
(b) 68 days
(c) 64 days
(d) 60 days
Ans. (c)
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