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_______________?

Related Mcqs:

1. 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?

   A. Both A and R are true and R is the correct explanation of A.
   B. Both A and R are true but R is not a correct explanation of A.
   C. A is true but R is false.
   D. A is false but R is true

2. 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.

   A. Both A and R are true and R is the correct explanation of A.
   B. Both A and R are true but R is not the correct explanation of A.
   C. A is true but R is false.
   D. A is false but R is true.

3. A high lime content in a composite cement-lime mortar results in______________?

   Consider the following statements.
   1. slow hardening.
   2. quick setting.
   3. weaker mortar.
   select the correct statements.

   A. 2 and 3 are correct
   B. 1 and 2 are correct
   C. 1 and 3 are correct
   D. 1, 2 and 3 are correct

4. Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is_______________?

   A. 3
   B. 5
   C. 7.5
   D. 10

5. 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 _______________?

   A. 0.4 kg/cm2
   B. 0.7 kg/cm2
   C. 1.0 kg/cm2
   D. 1.2 kg/cm2

6. 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.

   the correct statements are?
   A. (i) and (ii)
   B. (i) and (iii)
   C. (ii) and (iv)
   D. (ii) and (iii)

7. Cement mortars richer than 1 : 3 are not used in masonry because_________________?

   i) there is no gain in strength of masonry
   ii) there is high shrinkage
   iii) they are prone to segregation
   select the correct statements?

   A. Only (ii) is correct
   B. (i) and (ii) are correct
   C. (ii) and (iii) are correct
   D. (i), (ii) and (iii) are correct

8. For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than_________________?

   A. Vt x height of shorter opening
   B. Vt x height of longer opening
   C. Ax height of shorter opening
   D. Vi x height of longer opening

9. The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of_________________?

   A. 1.2
   B. 1.4
   C. 1.6
   D. 2.0

10. 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.

    A. Both A and R are true and R is the correct explanation of A.
    B. Both A and R are true but R is not .the correct explanation of A.
    C. A is true but R is false.
    D. A is false but R is true.