Civil Engineering MCQ. PWD, CPWD, RRB, SSC, Mock Test Paper

Subject: Structural Analysis 4

**Part 4: List for questions and answers of Structural Analysis-I**

**Q1. For the plain reinforcing bars in compression, the permissible design bond stress in tension, is increased by**

a) 10%

b) 15%

c) 20%

d) 25%

**Q2. The cover to the main reinforced may be reduced up to one third of the specified cover but not less than**

a) 5 mm

b) 7 mm

c) 10 mm

d) 15 mm

**Q3. The distance between, rivet line and the nearest edge of a joint not exposed to weather, is taken (where t is thickness in mm of the thinner outside plate).**

a) 6 t

b) 8 t

c) 10 t

d) 12 t

**Q4. Pick up the correct precaution while spilicing the reinforcing bars**

a) These are provided away from the sections of maximum stress

b) These are staggered

c) Not more than half the bars are spliced at a section

d) All the above

**Q5. The overall depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than**

a) 30 cm

b) 40 cm

c) 45 cm

d) 60 cm

**Q6. The ratio of minimum compressive strength on 15 cm cubes prepared with the concrete of M 20 grade and M40 grade, at 7 days should be at least**

a) 1/3

b) 1/2

c) 3/2

d) 2.0

**Q7. The grade of plain concrete to be used in sea water or structures exposed to sea water, should be**

a) M lo

b) M 15

c) M 20

d) M 30

**Q8. In case of continuous beams, the distance between the points of zero moment, may be obtained as (where l is the effective span).**

a) 0.5 l

b) 0.6 l

c) 0.7 l

d) 0.8 l

**Q9. The reinforcing bars in beams are not bundled in contact if the diameter of the bars, exceeds**

a) 12 mm

b) 20 mm

c) 35 mm

d) 36 mm

**Q10. For the reinforced concrete member totally immersed in sea water, the normal cover provided for the reinforcing bars is further increased by**

a) 10 mm

b) 20 mm

c) 30 mm

d) 40 mm

**Q11. The slenderness ratio of single angle discontinuous struts connected by a single rivet or bolt, shall not exceed**

a) 110

b) 130

c) 150

d) 180

**Q12. If a column is subjected to dead load and super imposed load only, the maximum ratio 1/r should not be greater than**

a) 180

b) 250

c) 350

d) 400

**Q13. If the dimensions of a rectangular section of a short column are 15 cm x 20 cm, its unsupported length should be restricted to**

a) 9.0 m

b) 10.0 m

c) 11.0 m

d) 12.0 m

**Q14. The designed transverse shear in lacing is assumed as**

a) 2.5% of axial load

b) 3% of axial load

c) 3.5% of axial load

d) 4% of axial load

**Q15. For the stability of a structural part, the weight or anchorage should be**

a) 1.2 times the minimum overturning moment due to dead load

b) 1.4 times the minimum overturning moment due to dead load

c) Sum of (a) and (b)

d) None of these

**Q16. The creep coefficient i.e. the ratio of ultimate creep and elastic strain after**

a) 7 days is 2.2

b) 28 days is 1.6

c) 365 days is 1.1

d) All the above

**Q17. In compression members, the lap length of a bar should not be less than**

a) 12 φ

b) 16 φ

c) 20 φ

d) 24 φ

**Q18. For nominal mix concrete M 15, the required weight of fine and coarse aggregates is 350 kg and the volume of water is**

a) 30 litres

b) 32 litres

c) 34 litres

d) 45 litres

**Q19. Moist sand may contain surface water by mass up to**

a) 7.5%

b) 5.0%

c) 2.5%

d) 1.25%

**Q20. The minimum horizontal distance between two parallel main reinforcing bars, is**

a) The diameter of the bar if their diameters are same

b) The diameter of the longer bar if their diameters are unequal

c) 5 mm more than nominal maximum size of the coarse aggragate

d) Greatest value of the above

**Part 4: List for questions and answers of Structural Analysis-I**

Q1. Answer:

Q2. Answer: a

Q3. Answer: d

Q4. Answer: d

Q5. Answer: c

Q6. Answer: b

Q7. Answer: b

Q8. Answer: c

Q9. Answer: d

Q10. Answer: d

Q11. Answer: d

Q12. Answer: a

Q13. Answer: a

Q14. Answer: a

Q15. Answer: c

Q16. Answer: d

Q17. Answer: d

Q18. Answer: b

Q19. Answer: c

Q20. Answer: d