1. To determine the modulus of rupture, the size of test specimen used is
2. The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called
3. Select the incorrect statement
4. The property of the ingredients to separate from each other while placing the concrete is called
5. Workability of concrete is directly proportional to
6. Workability of concrete is inversely pro¬portional to
7. Approximate value of shrinkage strain in concrete, is
8. Air entrainment in the concrete increases
9. The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by
10. The approximate value of the ratio between direct tensile strength and flexural strength is
11. Strength of concrete increases with
12. The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by
13. The compressive strength of 100 mm cube as compared to 150 mm cube is always
14. According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as
15. Increase in the moisture content in con-crete
16. As compared to ordinary portland cement, use of pozzuolanic cement
17. Admixtures which cause early setting, and hardening of concrete are called
18. The most commonly used admixture which prolongs the setting and hardening time is
19. The percentage of voids in cement is approximately
20. The strength of concrete after one year as compared to 28 days strength is about
21. As compared to ordinary portland cement, high alumina cement has
22. Modulus of rupture of concrete is a measure of
23. In order to obtain the best workability of concrete, the preferred shape of aggregate is
24. The effect of adding calcium chloride in concrete is
25. Bulking of sand is maximum if moisture content is about
26. Finer grinding of cement
27. Poisson's ratio for concrete
28. 1% of voids in a concrete mix would reduce its strength by about
29. The fineness modulus of fine aggregate is in the range of
30. The factor of safety for
31. Examine the following statements :
32. For a reinforced concrete section, the shape of shear stress diagram is
33. Diagonal tension in a beam
34. If a beam fails in bond, then its bond strength can be increased most economi-cally by
35. If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to
36. If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
37. If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section
38. If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be
39. Modulus of elasticity of steel as per IS : 456-1978 shall be taken as
40. Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is
41. For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be
42. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
43. In case of hand mixing of concrete, the extra cement to be added is
44. For walls, columns and vertical faces of all structural members, the form work is generally removed after
45. The individual variation between test strength of sample should not be more than
46. One of the criteria for the effecvve width of flange of T-beam is bf =—+ bw +6Df 6
In above formula, l0 signifies
47. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is
48. For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be
49. For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is
50. According to IS : 456-1978, the fiexural strength of concrete is
51. According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than
52. According to IS : 456- 1978, minimum slenderness ratio for a short column is
53. Lap length in compression shall not be less than
54. The minimum cover in a slab should neither be less than the diameter of bar nor less than
55. For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
56. The ratio of the diameter of reinforcing bars and the slab thickness is
57. According to IS: 456-1978, the maximum reinforcement in a column is
58. The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than
59. Which of the following statements is incorrect ?
60. Which of the following statements is incorrect ?
61. Minimum pitch of transverse reinforce¬ment in a column is
62. Maximum distance between expansion joints in structures as per IS : 456 - 1978 is
63. A continuous beam is deemed to be a deep beam when the ratio of effective span to
overall depth (1/D) is less than
64. Critical section for shear in case of flat slabs is at a distance of
65. Minimum thickness of load bearing RCC wall should be
66. If the storey height is equal to length of RCC wall, the percentage increase in strength is
67. In reinforced concrete footing on soil, the minimum thickness at edge should not be less than
68. The slab is designed as one way if the ratio of long span to short span is
69. Ratio of permissible stress in direct compression and bending compression is
70. A higher modular ratio shows
71. The average permissible stress in bond for plain bars in tension is
74. In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
75. The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
76. Half of the main steel in a simply supported slab is bent up near the support at a
distance of x from the centre of slab bearing where x is equal to
77. When shear stress exceeds the permissible limit in a slab, then it is reduced by
78. If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are
79. For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory
80. The permissible diagonal tensile stress in reinforced brick work is
81. The limits of percentage p of the longitudinal reinforce-ment in a column is given by
82. The minimum diameter of longitudinal bars in a column is
83. The minimum cover to the ties or spirals should not be less than
84. The load carrying capacity of a helically reinforced column as compared to that of a tied column is about
86. The diameter of ties in a column should be
87. Due to circumferential action of the spiral in a spirally reinforced column
88. Maximum percentage reinforcement in case of slabs is limited to
89. Which of the following R.C. retaining walls is suitable for heights beyond 6m?
90. For the design of retaining walls, the minimum factor of safety against overturning is taken as
91. In counterfort type retaining walls
92. A T-shaped retaining wall mainly conssits of
93. In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on
94. The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on
95. The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
96. The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
97. In a counterfort retaining wall, the main reinforcement is provided on the
98. In counterfort retaining walls, the main reinforcement in the stem at support is
99. In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on
100. In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on
101. The depth of footing for an isolated column is governed by
102. If the foundations of all the columns of a structure are designed on the total live and dead load basis, then
2. The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called
3. Select the incorrect statement
4. The property of the ingredients to separate from each other while placing the concrete is called
5. Workability of concrete is directly proportional to
6. Workability of concrete is inversely pro¬portional to
7. Approximate value of shrinkage strain in concrete, is
8. Air entrainment in the concrete increases
9. The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by
10. The approximate value of the ratio between direct tensile strength and flexural strength is
11. Strength of concrete increases with
12. The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by
13. The compressive strength of 100 mm cube as compared to 150 mm cube is always
14. According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as
15. Increase in the moisture content in con-crete
16. As compared to ordinary portland cement, use of pozzuolanic cement
17. Admixtures which cause early setting, and hardening of concrete are called
18. The most commonly used admixture which prolongs the setting and hardening time is
19. The percentage of voids in cement is approximately
20. The strength of concrete after one year as compared to 28 days strength is about
21. As compared to ordinary portland cement, high alumina cement has
22. Modulus of rupture of concrete is a measure of
23. In order to obtain the best workability of concrete, the preferred shape of aggregate is
24. The effect of adding calcium chloride in concrete is
25. Bulking of sand is maximum if moisture content is about
26. Finer grinding of cement
27. Poisson's ratio for concrete
28. 1% of voids in a concrete mix would reduce its strength by about
29. The fineness modulus of fine aggregate is in the range of
30. The factor of safety for
31. Examine the following statements :
32. For a reinforced concrete section, the shape of shear stress diagram is
33. Diagonal tension in a beam
34. If a beam fails in bond, then its bond strength can be increased most economi-cally by
35. If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to
36. If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called
37. If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section
38. If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be
39. Modulus of elasticity of steel as per IS : 456-1978 shall be taken as
40. Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is
41. For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be
42. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
43. In case of hand mixing of concrete, the extra cement to be added is
44. For walls, columns and vertical faces of all structural members, the form work is generally removed after
45. The individual variation between test strength of sample should not be more than
46. One of the criteria for the effecvve width of flange of T-beam is bf =—+ bw +6Df 6
In above formula, l0 signifies
47. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is
48. For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be
49. For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is
50. According to IS : 456-1978, the fiexural strength of concrete is
51. According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than
52. According to IS : 456- 1978, minimum slenderness ratio for a short column is
53. Lap length in compression shall not be less than
54. The minimum cover in a slab should neither be less than the diameter of bar nor less than
55. For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
56. The ratio of the diameter of reinforcing bars and the slab thickness is
57. According to IS: 456-1978, the maximum reinforcement in a column is
58. The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than
59. Which of the following statements is incorrect ?
60. Which of the following statements is incorrect ?
61. Minimum pitch of transverse reinforce¬ment in a column is
62. Maximum distance between expansion joints in structures as per IS : 456 - 1978 is
63. A continuous beam is deemed to be a deep beam when the ratio of effective span to
overall depth (1/D) is less than
64. Critical section for shear in case of flat slabs is at a distance of
65. Minimum thickness of load bearing RCC wall should be
66. If the storey height is equal to length of RCC wall, the percentage increase in strength is
67. In reinforced concrete footing on soil, the minimum thickness at edge should not be less than
68. The slab is designed as one way if the ratio of long span to short span is
69. Ratio of permissible stress in direct compression and bending compression is
70. A higher modular ratio shows
71. The average permissible stress in bond for plain bars in tension is
74. In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by
75. The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
76. Half of the main steel in a simply supported slab is bent up near the support at a
distance of x from the centre of slab bearing where x is equal to
77. When shear stress exceeds the permissible limit in a slab, then it is reduced by
78. If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are
79. For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory
80. The permissible diagonal tensile stress in reinforced brick work is
81. The limits of percentage p of the longitudinal reinforce-ment in a column is given by
82. The minimum diameter of longitudinal bars in a column is
83. The minimum cover to the ties or spirals should not be less than
84. The load carrying capacity of a helically reinforced column as compared to that of a tied column is about
86. The diameter of ties in a column should be
87. Due to circumferential action of the spiral in a spirally reinforced column
88. Maximum percentage reinforcement in case of slabs is limited to
89. Which of the following R.C. retaining walls is suitable for heights beyond 6m?
90. For the design of retaining walls, the minimum factor of safety against overturning is taken as
91. In counterfort type retaining walls
92. A T-shaped retaining wall mainly conssits of
93. In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on
94. The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on
95. The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is
96. The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
97. In a counterfort retaining wall, the main reinforcement is provided on the
98. In counterfort retaining walls, the main reinforcement in the stem at support is
99. In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on
100. In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on
101. The depth of footing for an isolated column is governed by
102. If the foundations of all the columns of a structure are designed on the total live and dead load basis, then
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