Q.1
For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in
  • Zone I only
  • Zone I and II
  • Zone I, II and III
  • Zone I, II, III and IV
Q.2
Minimum compressive strength in N/mm² for H1 type mortar used for masonry is
  • 3
  • 5
  • 7.5
  • 10
Q.3
The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of
  • 1.2
  • 1.4
  • 1.6
  • 2.0
Q.4
Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V. (i) Lintel band is provided at lintel level on partition walls, (ii) Gable band is provided at top of gable masonry below the purlins, (iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth, (iv) The bands shall be made of reinforced concrete only.of these statements, the correct statements are
  • (i) and (ii)
  • (i) and (iii)
  • (ii) and (iv)
  • (ii) and (iii)
Q.5
Assertion A : For eccentricity ratio exceeding 1/effective thickness of masonry will get reduced.Reason R : For eccentricity ratio exceeding 1/there will be tension on one side of the member. Select your answer according to the codes give below:
  • Both A and R is true and R is the correct explanation of A
  • Both A and R is true and R is not the correct explanation of A
  • A is true but R is false
  • A is false but R is true
Q.6
For strengthening am long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?
  • Providing buttresses at certain intervals
  • Providing a deeper foundation
  • Using a richer mortar
  • Using stronger bricks
Q.7
Consider the following statements:A high lime content in a composite cement-lime mortar results inSlow hardening.Quick setting.Weaker mortar.
  • 2 and 3 are correct
  • 1 and 2 are correct
  • 1 and 3 are correct
  • 1, 2 and 3 are correct
Q.8
Full restraint is provided by(i) Foundation footing of a wall(ii) Timber floor spanning on the wall and anchored to the wall(iii) RCC slab with a minimum bearing ofcm on the wall
  • (i) and (iii) are correct
  • (i) and (ii) are correct
  • (ii) and (iii) are correct
  • (i), (ii) and (iii) are correct
Q.9
For earthquake resistant masonry buildings, where seismic coefficient is less than 0.the horizontal distance between two openings shall not be less than
  • Vt x height of shorter opening
  • Vt x height of longer opening
  • Ax height of shorter opening
  • Vi x height of longer opening
Q.10
For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than
  • 50 cm
  • 60 cm
  • 75 cm
  • 100 cm
Q.11
A free standing brick wallcm thick is subjected to a wind pressure ofkg/m². The maximum height of wall from stability consideration is
  • 0.64 m
  • 0.96 m
  • 1.28 m
  • 1.5 m
Q.12
Water retentivity for brick masonry should not be less than
  • 50 %
  • 60 %
  • 70 %
  • 80 %
Q.13
The thickness of each leaf of a cavity wall shall not be less than
  • 5 cm
  • 7.5 cm
  • 10 cm
  • 15 cm
Q.14
Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than
  • 10 cm
  • 15 cm
  • 20 cm
  • 30 cm
Q.15
For masonry work with solid bricks, consistency of mortar should be
  • 5 to 8 cm
  • 9 to 13 cm
  • 14 to 18 cm
  • 19 to 23 cm
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