Civil Engineering Previous Questions From IES

Civil Engineering Previous Questions From IES
Civil Engineering model question papers for ies
IES / Previous Questions With Answers Civil Engineering
1. What is the ratio of the elastic modulus of structural timber in longitudinal direction to that in the transverse direction?
(a) 1/2 to 1
(b) 1/10 to 1/20
(c) 1 to 2
(d) l0 to 20
Ans. (c)

2. A circular rod of diameter 30 mm and length 200 mm is subjected to a tensile force. The extension in rod is 0.09 mm and
change in diameter is 0.0045 mm. What is the Poisson’s ratio of the material of the rod?
(a) 0.30
(b) 0.32
(c) 0.33
(d) 0.35
Ans. (c)

3. For a material having modulus of elasticity equal to 208 GPa and Poisson’s ratio equal to 0.3, what is the modulus of rigidity?
(a) 74.0 GPa
(b) 80.0 GPa
(c) 100.0 GPa
(d) 128.5 GPa
Ans. (b)

4. What would be the shape of the failure surface of a standard cast iron specimen subjected to torque?
(a) Cup and cone shape at the centre
(b) Plane surface perpendicular to the axis of the specimen
(c) Pyramid type wedge-shaped surface perpendicular to the axis of the specimen
(d) Helicoidal surface at 45° to the axis of the specimen
Ans. (d)

5. Given E as the Young’s modulus of elasticity of a material, what can be the minimum value of its bulk modulus of elasticity?
(a) E/2
(b) E/3
(c) E/4
(d) E/5
Ans. (b)


6. An equipment costs Rs. 25 Lakhs with an estimated salvage value of Rs. 5 Lakhs after 5 years of useful life. What is the
approximate equated annual cost for use of the equipment?
(a) Rs. 4 Lakhs
(b) Rs. 10 Lakhs
(c) Rs. 13 Lakhs
(d) Rs.17 Lakhs
Ans. (a)

7. Consider the following parameters:
1. The stability of the footing
2. The strength of the boom
3. The counter weight
4. Size of aggregates
Which of the above parameters governs the load capacity of a crane?
(a) 1 only
(b) 1, 2 and 3 only
(c) 2 and 3 only
(d) 2, 3 and 4
Ans. (b)

8. A preliminary survey indicated that 20% of the time of a gang of workers is spent idly. What is the total number of observations
required to determine the proportion of idle time with 95 % confidence limit? Critical value at this level of confidence is 1. 96
(a) 236 observations
(b) 246 observations
(c) 256 observations
(d) 266 observations
Ans. (b)

9. Consider the following equipments
1. Drag line
2. Power shovel
3. Hoe
4. Crawler dozer
Which of the above may be used for excavation of materials and loading them into trucks?
(a) 1, 2 and 3
(b) I and 2 only
(c) 2 and 3 only
(d) 2, 3 and 4
Ans. (a)

10. Consider the following statements
The shear resistance of structural concrete members may be improved by:
1. Axial prestressing
2. Vertical prestressing
3. Inclined prestressing
Which of the above statements is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
Ans. (d)

11. What shall be the maximum area of reinforcement
(i) In compression and
(ii) In tension to be provided in an RC beam, respectively, as per 1S456?
(a) 0.08% and 2%
(b) 2% and’4%
(c) 4% and 2%
(d) 4% and 4%
Ans. (d)

12. Consider the following statements for minimum reinforcement to be provided .in a wall as a ratio of vertical reinforcement
to gross concrete area.
1. 0.0012 for deformed bars
2. 0.0015 for all other types of bars
3. 0.0012 for welded wire fabric with wires not larger than 16 mm in diameter
Which of the above statements is/are correct?
(a) 1, 2 and 3
(b) 1 only
(c) 2 and 3 only
(d) 3 only
Ans. (d)

13. What is the duration by which the completion time of any activity can be delayed without affecting the start of any of
the suceeding activities?
(a) Interfering float
(b) Free float
(c) Independent float
(d) Total float.
Ans. (b)

14. A, power shovel is fitted with an engine of 150 f.w.h.p. It operates on full load for 6 minutes followed by 8 minutes for idling at
one-third power. Its hourly utilization is for 3 cycles. What is its utilization factor?
(a) 0.398
(b) 0.433
(c) 0.467
(d) 0.528
Ans. (b)

15. A construction equipment has a useful life of 4 years after which it is to be replaced by a new, one. If the interest rate is 6%, what
is the nearest value of the sinking fund factor?
(a) 0.023
(b) 0.23
(c) 0.17
(d) 0.31
Ans. (b)

16. Consider the following statements:
1. There is no large difference in speed between wheeled tractors and crawlers.
2. The operating cost of crawlers is generally more than for wheeled tractors.
3. Both, viz ., wheeled •tractors as well as crawlers, need to be mounted on trailers for long distance hauls.
4. Wheeled tractors may occasionally suffer slips whereas crawlers do not
Which of the above statements is/are NOT correct?
(a) 1 only
(b) 1 and 2
(c) 1 and 3
(d) 3 and 4
Ans. (d)

17. Which one of the following is associated with a critical activity in a A-O-A network?
(a) Maximum float
(b) Minimum float
(c) Zero float
(d) Free float
Ans. (c)

18. A uniform series of income is available in perpetuity, which will yield an amount of Rs. 4,000/- at the end of each 4-year period.
Sinking fund (deposit) factor, @ 8% p.a., for discrete compounding, is 0.222. For the same interest rate, What will the capitalized
equivalent income ‘now’?
(a) Rs. 11,100
(b) Rs. 12,500
(c) Rs. 14,285
(d) Rs. 16,000
Ans. (b)

19. If the axial deformation is neglected, what is the kinematic indeterminacy of a single
bay portal frame fixed at base?
(a) 2
(b) 3
(c) 4
(d) 6
Ans. (b)

20. For field rivets, the permissible stresses are reduced by what percentage?
(a) 10%
(b) 15%
(c) 25%
d) 33%
Ans. (a)