A. Zone I only
B. Zone I and II
C. Zone I, II and III
D. Zone I, II, III and IV
Correct Answer: Zone I and II ✔
Last Updated: January 20, 2019
Related MCQs
- 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.?
- Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than__________?
- 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?
- For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than__________?
- Water retentivity for brick masonry should not be less than__________?
- Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have__________?
- Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V?
- 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 A. B. C. D. ?
- Cement mortars richer than 1 : 3 are not used in masonry because__________?
- Consider the following statements regarding provision of chases in masonry__________?
- 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__________?
- 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__________?
- 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?
- The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of__________?
- 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__________?
- 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.
- 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 __________?
- 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.
- Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be__________?
- A high lime content in a composite cement-lime mortar results in__________?
- The use of relatively weak mortar__________?
- In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as__________?
- For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than__________?
- Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is__________?
- Which of the following will give higher ratio of brickwork strength to mortar strength ?
- The timber floor not spanning on the masonry wall but properly anchored to the wall gives__________?
- The mode of failure of a very short masonry member having h/t ratio of less than 4 is by __________?
- 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__________?
- 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__________?
- The thickness of each leaf of a cavity wall shall not be less than__________?
- The effective height of free standing nonload bearing wall and column respectively will be__________?