MCQOPTIONS
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MCQOPTIONS
This section includes 124 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A free standing brick wall 20 cm thick is subjected to a wind pressure of 75kg/m . The maximum height of wall from stability consideration is |
| A. | 0.64 m |
| B. | 0.96 m |
| C. | 1.28 m |
| D. | 1.5 m |
| Answer» B. 0.96 m | |
| 2. |
If the horizontal cross-sectional area of a wall is 1200 cm , then the basic stress shall be multiplied by a reduction factor equal to |
| A. | 0 6 |
| B. | 0.75 |
| C. | 0.85 |
| D. | 0.95 |
| Answer» D. 0.95 | |
| 3. |
Which of the following will give higher ratio of brickwork strength to mortar strength ? |
| A. | 1 : % : 3 |
| B. | 1 : Vz: 4>/2 |
| C. | 1:1:6 |
| D. | 1:2:9 |
| Answer» E. | |
| 4. |
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_______________? |
| A. | 4 percent |
| B. | 5 percent |
| C. | 6 percent |
| D. | 7 percent |
| Answer» E. | |
| 5. |
Water retentivity for brick masonry should not be less than__________________? |
| A. | 50% |
| B. | 60% |
| C. | 70% |
| D. | 80% |
| Answer» D. 80% | |
| 6. |
The use of relatively weak mortar_______________?_x005F_x000D_Consider the following statements._x005F_x000D_1. will accommodate movements due to loads and, cracking if any, and will be distributed as thin hair cracks which are less noticeable or harmful._x005F_x000D_2. will result in reduction of stresses due to differential expansion of masonry units._x005F_x000D_select the correct statements. |
| A. | 1 alone is correct |
| B. | 2 alone is correct |
| C. | both 1 and 2 are correct |
| D. | neither 1 nor 2 is correct |
| Answer» D. neither 1 nor 2 is correct | |
| 7. |
The timber floor not spanning on the masonry wall but properly anchored to the wall gives________________? |
| A. | lateral restraint but not rotational restraint |
| B. | rotational restraint but not lateral restraint |
| C. | both lateral and rotational restraints |
| D. | neither lateral nor rotational restraint |
| Answer» B. rotational restraint but not lateral restraint | |
| 8. |
The thickness of each leaf of a cavity wall shall not be less than_________________? |
| A. | 5 cm |
| B. | 7.5 cm |
| C. | 10 cm |
| D. | 15 cm |
| Answer» C. 10 cm | |
| 9. |
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._x005F_x000D_The correct sequence of increasing order of their strengths is? |
| A. | LLLZ.HLHI.MLMJ |
| B. | L2,L,,M2>Mi,H2)H, |
| C. | M,,M2, H,,H2,Li,L2 |
| D. | L2,L,,M,,M2,H,,H2 |
| Answer» C. M,,M2, H,,H2,Li,L2 | |
| 10. |
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 above |
| Answer» B. vertical tensile splitting | |
| 11. |
The effective height of free standing nonload bearing wall and column respectively will be_________________? |
| A. | 1.OH and 1.OH |
| B. | 1.5Handl.5H |
| C. | 2.0Handl.5H |
| D. | 2.0H and 2.0H |
| Answer» E. | |
| 12. |
The bending stress in a wall or column subjected to effective vertical load need not be considered, if the eccentricity ratio is_________________? |
| A. | less than or equal to 1/24 |
| B. | less than or equal to 1/6 |
| C. | more than 1/24 |
| D. | less than or equal to 1/12 |
| Answer» B. less than or equal to 1/6 | |
| 13. |
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 |
| Answer» D. 2.0 | |
| 14. |
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 |
| Answer» B. less strength | |
| 15. |
Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than_______________? |
| A. | 10 cm |
| B. | 15 cm |
| C. | 20 cm |
| D. | 30 cm |
| Answer» B. 15 cm | |
| 16. |
Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is_______________? |
| A. | 3 |
| B. | 5 |
| C. | 7.5 |
| D. | 10 |
| Answer» E. | |
| 17. |
Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys________________?_x005F_x000D_i) shall not exceed 12 if lime mortar is used_x005F_x000D_ii) shall not exceed 18 if cement lime mortar 1:2:9 is used_x005F_x000D_iii) shall not exceed 24 if cement mortar 1:6 is used_x005F_x000D_the correct statments is ? |
| A. | (i) and (ii) are correct |
| B. | (ii) and (iii) are correct |
| C. | (i) and (iii) are correct |
| D. | (i) and (ii) and (iii) are correct |
| Answer» B. (ii) and (iii) are correct | |
| 18. |
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 |
| Answer» D. 1.2 kg/cm2 | |
| 19. |
In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as________________? |
| A. | sum of thickness of both leaves |
| B. | two-third of the sum of thickness of both the leaves |
| C. | actual thickness of the stronger leaf |
| D. | larger of (B) and (C) |
| Answer» E. | |
| 20. |
If the ratio of center to center spacing of intersecting walls to actual thickness of intersecting wall is more than 20, then the stiffening coefficient for wall proper will be_________________? |
| A. | 0 |
| B. | between 0 and 1 |
| C. | 1 |
| D. | greater than 1 |
| Answer» E. | |
| 21. |
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________________? |
| A. | 0.6 |
| B. | 0.75 |
| C. | 0.85 |
| D. | 0.95 |
| Answer» D. 0.95 | |
| 22. |
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. | 10% |
| B. | 25% |
| C. | 33 1/3% |
| D. | 50% |
| Answer» C. 33 1/3% | |
| 23. |
If H is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be________________? |
| A. | 0.75 H |
| B. | 0.85 H |
| C. | 1.0 H |
| D. | 1.5 H |
| Answer» B. 0.85 H | |
| 24. |
Full restraint is provided by__________________?_x005F_x000D_i) foundation footing of a wall_x005F_x000D_ii) timber floor spanning on the wall and anchored to the wall_x005F_x000D_iii) RCC slab with a minimum bearing of 10 cm on the wall_x005F_x000D_select the correct statment. |
| A. | (i) and (iii) are correct |
| B. | (i) and (ii) are correct |
| C. | (ii) and (iii) are correct |
| D. | (i), (ii) and (iii) are correct |
| Answer» E. | |
| 25. |
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 MPa |
| Answer» B. 0.125 MPa | |
| 26. |
For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than_________________? |
| A. | 50 cm |
| B. | 60 cm |
| C. | 75 cm |
| D. | 100 cm |
| Answer» C. 75 cm | |
| 27. |
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 |
| Answer» B. Vt x height of longer opening | |
| 28. |
For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in________________? |
| A. | Zone I only |
| B. | Zone I and II |
| C. | Zone I, II and III |
| D. | Zone I, II, III and IV |
| Answer» C. Zone I, II and III | |
| 29. |
Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RC slab will be___________________? |
| A. | more |
| B. | less |
| C. | the same in both the cases |
| D. | 100% |
| Answer» C. the same in both the cases | |
| 30. |
Consider the following statements regarding provision of chases in masonry_________________?_x005F_x000D_(i) No chase should be permitted in a half brick load-bearing wall,_x005F_x000D_(ii) Vertical chases should not be closer than 2 m in any stretch of a wall,_x005F_x000D_(iii) Chases should be provided near to bearings of beams and lintels._x005F_x000D_Select the the statements ? |
| A. | (i) and (ii) are correct |
| B. | (i) and (iii) are correct |
| C. | (ii) and (iii) are correct |
| D. | (i), (ii) and (iii) are correct |
| Answer» B. (i) and (iii) are correct | |
| 31. |
Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V?_x005F_x000D_(i) Lintel band is provided at lintel level on partition walls,_x005F_x000D_(ii) Gable band is provided at top of gable masonry below the purlins,_x005F_x000D_(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,_x005F_x000D_(iv) The bands shall be made of reinforced concrete only._x005F_x000D_the correct statements are? |
| A. | (i) and (ii) |
| B. | (i) and (iii) |
| C. | (ii) and (iv) |
| D. | (ii) and (iii) |
| Answer» E. | |
| 32. |
Consider the following statements?_x005F_x000D_1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks._x005F_x000D_2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage._x005F_x000D_3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar._x005F_x000D_Which of these statements are correct? |
| A. | 1,2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» E. | |
| 33. |
Cement mortars richer than 1 : 3 are not used in masonry because_________________?_x005F_x000D_i) there is no gain in strength of masonry_x005F_x000D_ii) there is high shrinkage_x005F_x000D_iii) they are prone to segregation_x005F_x000D_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 |
| Answer» C. (ii) and (iii) are correct | |
| 34. |
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._x005F_x000D_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. |
| Answer» B. Both A and R are true but R is not the correct explanation of A. | |
| 35. |
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?_x005F_x000D_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. |
| Answer» D. A is false but R is true. | |
| 36. |
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.?_x005F_x000D_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. |
| Answer» B. Both A and R are true but R is not .the correct explanation of A. | |
| 37. |
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_____________?_x005F_x000D_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 |
| Answer» D. A is false but R is true | |
| 38. |
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?_x005F_x000D_Select your answer according to the codes give below. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true and R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» B. Both A and R are true and R is not the correct explanation of A. | |
| 39. |
A high lime content in a composite cement-lime mortar results in______________?_x005F_x000D_Consider the following statements._x005F_x000D_1. slow hardening._x005F_x000D_2. quick setting._x005F_x000D_3. weaker mortar._x005F_x000D_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 |
| Answer» D. 1, 2 and 3 are correct | |
| 40. |
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___________________? |
| A. | 0.64 m |
| B. | 0.96 m |
| C. | 1.28 m |
| D. | 1.5 m |
| Answer» B. 0.96 m | |
| 41. |
For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which oneof the following would be most suitable? |
| A. | providing buttresses at certain intervals |
| B. | providing a deeper foundation |
| C. | using a richer mortar |
| D. | using stronger bricks |
| Answer» B. providing a deeper foundation | |
| 42. |
If the horizontal cross-sectional area of a wall is 1200 cm², then the basic stress shall be multipliedby a reduction factor equal to |
| A. | 0 6 |
| B. | 0.75 |
| C. | 0.85 |
| D. | 0.95 |
| Answer» D. 0.95 | |
| 43. |
Direct load carrying capacity of a brick masonry wall standing freely as against when it supports RCslab will be |
| A. | more |
| B. | less |
| C. | the same in both the cases |
| D. | 100 % |
| Answer» C. the same in both the cases | |
| 44. |
For masonry built in 1 : 1 : 6 cement-lime-sand mix mortar or equivalent, the horizontal shearstress 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 mpa |
| Answer» B. 0.125 mpa | |
| 45. |
If the eccentricity ratio is more than 1/24, then increase in the permissible stress in the design ofwall subjected to eccentric loading as per code is |
| A. | 10 % |
| B. | 25 % |
| C. | 50 % |
| Answer» C. 50 % | |
| 46. |
If the ratio of center to center spacing of intersecting walls to actual thickness of intersecting wallis more than 20, then the stiffening coefficient for wall proper will be |
| A. | 0 |
| B. | between 0 and 1 |
| C. | 1 |
| D. | greater than 1 |
| Answer» E. | |
| 47. |
The bending stress in a wall or column subjected to effective vertical load need not be considered,if the eccentricity ratio is |
| A. | less than or equal to 1/24 |
| B. | less than or equal to 1/6 |
| C. | more than 1/24 |
| D. | less than or equal to 1/12 |
| Answer» B. less than or equal to 1/6 | |
| 48. |
A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clearheight between RCC slabs at top and bottom. The slenderness ratio of the wall is |
| A. | 15 |
| B. | 19 |
| C. | 20 |
| D. | 25 |
| Answer» B. 19 | |
| 49. |
For designing masonry components of a structure, seismic forces provision in the designcalculation is not necessary for buildings constructed in |
| A. | zone i only |
| B. | zone i and ii |
| C. | zone i, ii and iii |
| D. | zone i, ii, iii and iv |
| Answer» C. zone i, ii and iii | |
| 50. |
If is the height of wall between centers of supports, then the effective height of wall whereconcrete floors have a bearing on wall irrespective of the direction of span will be |
| A. | 0.75 h |
| B. | 0.85 h |
| C. | 1.0 h |
| D. | 1.5 h |
| Answer» B. 0.85 h | |