1. If the ratio of centre to centre spacing of intersecting walls to actual thickness of
intersecting wall is more th n 20, then the stiffening coefficient for wall proper will be
2. Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys
3. Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as
4. The effective height of free standing nonload bearing wall and column respectively will be
5. If H is the height of wall between centres of supports, then the effective height of
wall where concrete floors have a bearing on wall irrespective of the direction of span will be
6. The thickness of each leaf of a cavity wall shall not be less than
7. If the horizontal cross-sectional area of a wall is 1200 cm2, then the basic stress shall be multiplied by a reduction factor equal to
8. A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m2. The maximum height of wall from stability consideration is
9. The bending stress in a wall or column subjected to effective vertical load need
not be considered, if the eccentricity ratio is
10. Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced.
Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:
11. If the eccentricity ratio is more than 1/24, then increase in the permissible stress in
the design of wall subjected to eccentric loading as per code is
12. For designing masonry components of a structure, seismic forces provision in the
design calculation is not necessary for buildings constructed in
13. The mode of failure of a very short masonry member having h/t ratio of less than 4 is by
14. Assertion A : From consideration of structural soundness and economy of design, most codes control the maximum slenderness ratio of masonry walls and columns.
Reason R : By controlling the maximum slenderness ratio, failure is by excessive stress and not by buckling. Select your answer according to codes given below:
15. The timber floor not spanning on the masonry wall but properly anchored to the wall gives
16. Full restraint is provided by
17. Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than
18. Which of the following will give higher ratio of brickwork strength to mortar strength ?
19. Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.
Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.
Select your answer according to the codes given below:
20. For masonry work with solid bricks, consistency of mortar should be
21. Water retentivity for brick masonry should not be less than
22. Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is
23. Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have
24. Cement mortars richer than 1 : 3 are not used in masonry because
25. For earthquake resistant masonry buildings, the vertical distance between
openings one above the other in a load bearing wall shall not be less than
26. For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than
27. Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V.
28. In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as
29. Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall.
Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis. Select your answer according to the codes given below:
30. Consider the following statements regarding provision of chases in masonry,
31. Consider the following statements :
The use of relatively weak mortar
32. In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than Ml type, tensile stress in bending in the vertical direction may be allowed to the extent of
33. For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?
34. Consider the following statements : Sand in mortar is needed for
35. Consider the following statements:
A high lime content in a composite cement-lime mortar results in
36. The mortars used for masonry construction are classified based on strength in IS 2250 and IS 1905 according to their designations L1,L2, H1, H2, M, M2.
The correct sequence of increasing order of their strengths is
37. Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be
38. A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is
39. A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is
40. The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of
41. Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.
Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.
Select your answer based on the codes given below. Codes:
42. Consider the following statements:
43. For masonry built in 1:1:6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is
intersecting wall is more th n 20, then the stiffening coefficient for wall proper will be
2. Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys
3. Where a structural component or a system is providing lateral support to five or more walls or columns, the lateral load to be resisted may be taken as
4. The effective height of free standing nonload bearing wall and column respectively will be
5. If H is the height of wall between centres of supports, then the effective height of
wall where concrete floors have a bearing on wall irrespective of the direction of span will be
6. The thickness of each leaf of a cavity wall shall not be less than
7. If the horizontal cross-sectional area of a wall is 1200 cm2, then the basic stress shall be multiplied by a reduction factor equal to
8. A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m2. The maximum height of wall from stability consideration is
9. The bending stress in a wall or column subjected to effective vertical load need
not be considered, if the eccentricity ratio is
10. Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced.
Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member. Select your answer according to the codes give below:
11. If the eccentricity ratio is more than 1/24, then increase in the permissible stress in
the design of wall subjected to eccentric loading as per code is
12. For designing masonry components of a structure, seismic forces provision in the
design calculation is not necessary for buildings constructed in
13. The mode of failure of a very short masonry member having h/t ratio of less than 4 is by
14. Assertion A : From consideration of structural soundness and economy of design, most codes control the maximum slenderness ratio of masonry walls and columns.
Reason R : By controlling the maximum slenderness ratio, failure is by excessive stress and not by buckling. Select your answer according to codes given below:
15. The timber floor not spanning on the masonry wall but properly anchored to the wall gives
16. Full restraint is provided by
17. Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than
18. Which of the following will give higher ratio of brickwork strength to mortar strength ?
19. Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.
Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.
Select your answer according to the codes given below:
20. For masonry work with solid bricks, consistency of mortar should be
21. Water retentivity for brick masonry should not be less than
22. Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is
23. Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have
24. Cement mortars richer than 1 : 3 are not used in masonry because
25. For earthquake resistant masonry buildings, the vertical distance between
openings one above the other in a load bearing wall shall not be less than
26. For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than
27. Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V.
28. In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as
29. Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall.
Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis. Select your answer according to the codes given below:
30. Consider the following statements regarding provision of chases in masonry,
31. Consider the following statements :
The use of relatively weak mortar
32. In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than Ml type, tensile stress in bending in the vertical direction may be allowed to the extent of
33. For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?
34. Consider the following statements : Sand in mortar is needed for
35. Consider the following statements:
A high lime content in a composite cement-lime mortar results in
36. The mortars used for masonry construction are classified based on strength in IS 2250 and IS 1905 according to their designations L1,L2, H1, H2, M, M2.
The correct sequence of increasing order of their strengths is
37. Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be
38. A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is
39. A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is
40. The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of
41. Assertion A : For identical strength, a composite cement-lime mortar is preferred over cement mortar.
Reason R : Composite cement-lime mortar has higher drying shrinkage than cement mortar.
Select your answer based on the codes given below. Codes:
42. Consider the following statements:
43. For masonry built in 1:1:6 cement-lime-sand mix mortar or equivalent, the horizontal shear stress permissible on the area of a mortar bed joint is
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