Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is_______________?
Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is_______________?
A. 3
B. 5
C. 7.5
D. 10
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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_____________?
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 trueFor 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_______________?
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_______________?A. 0.15 MPa
B. 0.125 MPa
C. 0.1 MPa
D. 0.075 MPaThe mode of failure of a very short masonry member having h/t ratio of less than 4 is by _______________?
The mode of failure of a very short masonry member having h/t ratio of less than 4 is by _______________?A. shear
B. vertical tensile splitting
C. buckling
D. any of the aboveConsider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V?
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)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. ?
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. ?A.090
B.095
C.100
D.105Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have________________?
Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have________________?A. high shrinkage
B. less strength
C. both (A) and (B)
D. none of above