MCQOPTIONS
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MCQOPTIONS
This section includes 126 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to_____________? |
| A. | deflect downward |
| B. | deflect upward |
| C. | deflect downward or upward |
| D. | none of the above |
| Answer» B. deflect upward | |
| 102. |
Due to circumferential action of the spiral in a spirally reinforced column________________? |
| A. | capacity of column is decreased |
| B. | ductility of column reduces |
| C. | capacity of column is decreased but ductility of column increases |
| D. | both the capacity of column and ductility of column increase |
| Answer» E. | |
| 103. |
Diagonal tension in a beam______________? |
| A. | is maximum at neutral axis |
| B. | decreases below the neutral axis and increases above the neutral axis |
| C. | increases below the neutral axis and decreases above the neutral axis |
| D. | remains same |
| Answer» D. remains same | |
| 104. |
Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than__________________? |
| A. | 35 MPa and 42 MPa |
| B. | 42 MPa and 35 MPa |
| C. | 42 MPa and 53 MPa |
| D. | 53 MPa and 42 MPa |
| Answer» C. 42 MPa and 53 MPa | |
| 105. |
Critical section for shear in case of flat slabs is at a distance of_______________? |
| A. | effective depth of slab from periphery of column/drop panel |
| B. | d/2 from periphery of column/capital/ drop panel |
| C. | at the drop panel of slab |
| D. | at the periphery of column |
| Answer» C. at the drop panel of slab | |
| 106. |
Bulking of sand is maximum if moisture content is about____________? |
| A. | 2 % |
| B. | 4% |
| C. | 6% |
| D. | 10% |
| Answer» C. 6% | |
| 107. |
Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads?_x005F_x000D_Select your answer based on the coding system 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. | |
| 108. |
As per Whitney’s theory, the maximum moment of resistance of the balanced section of a beam of width b and effective depth d is given by_______________? |
| A. | ^acybd2 |
| B. | ^acybd2 |
| C. | 0.185acybd2 |
| D. | 0.43acybd2 |
| Answer» C. 0.185acybd2 | |
| 109. |
As compared to ordinary portland cement, use of pozzuolanic cement_______________? |
| A. | reduces workability |
| B. | increases bleeding |
| C. | increases shrinkage |
| D. | increases strength |
| Answer» D. increases strength | |
| 110. |
As compared to ordinary portland cement, high alumina cement has______________? |
| A. | higher initial setting time but lower final setting time |
| B. | lower initial setting time but higher final setting time |
| C. | higher initial and final setting times |
| D. | lower initial and final setting times |
| Answer» B. lower initial setting time but higher final setting time | |
| 111. |
Approximate value of shrinkage strain in concrete, is________________? |
| A. | 0.003 |
| B. | 0.0003 |
| C. | 0.00003 |
| D. | 0.03 |
| Answer» C. 0.00003 | |
| 112. |
Air entrainment in the concrete increases________________? |
| A. | workability |
| B. | strength |
| C. | the effects of temperature variations |
| D. | the unit weight |
| Answer» B. strength | |
| 113. |
Admixtures which cause early setting, and hardening of concrete are called_______________? |
| A. | workability admixtures |
| B. | accelerators |
| C. | retarders |
| D. | air entraining agents |
| Answer» C. retarders | |
| 114. |
According to Whitney’s theory, ultimate strain of concrete is assumed to be_____________? |
| A. | 0.03% |
| B. | 0.1% |
| C. | 0.3% |
| D. | 3% |
| Answer» D. 3% | |
| 115. |
According to Whitney’s theory, depth of stress block for a balanced section of a concrete beam is limited to_______________? |
| A. | 0.43 d |
| B. | 0.537 d |
| C. | 0.68 d |
| D. | 0.85 d |
| Answer» C. 0.68 d | |
| 116. |
According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is__________________? |
| A. | 0.43 d |
| B. | 0.55 d |
| C. | 0.68 d |
| D. | 0.85 d |
| Answer» B. 0.55 d | |
| 117. |
According to IS : 456 -1978, the modulus of elasticity of concrete Ec (in N/mm2) can be taken as______________? |
| A. | Ec = = 5700 |
| B. | Ec = = 570 |
| C. | Ec = = 5700fck |
| D. | Ec = where fck N/mm2 = 700 is the characteristic strength in |
| Answer» B. Ec = = 570 | |
| 118. |
According to IS: 456-1978, the maximum reinforcement in a column is_____________? |
| A. | 2 % |
| B. | 4% |
| C. | 6 % |
| D. | 8 % |
| Answer» D. 8 % | |
| 119. |
According to IS : 456-1978, the fiexural strength of concrete is________________? |
| A. | directly proportional to compressive strength |
| B. | inversely proportional to compressive strength |
| C. | directly proportional to square root of compressive strength |
| D. | inversely proportional to square root of compressive strength |
| Answer» D. inversely proportional to square root of compressive strength | |
| 120. |
According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________________? |
| A. | the least lateral dimension |
| B. | 2 times the least lateral dimension |
| C. | 3 times the least lateral dimension |
| D. | 4 times the least lateral dimension |
| Answer» D. 4 times the least lateral dimension | |
| 121. |
According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________? |
| A. | less than 12 |
| B. | less than 18 |
| C. | between 18 and 24 |
| D. | more than 24 |
| Answer» B. less than 18 | |
| 122. |
A T-shaped retaining wall mainly conssits of_________________? |
| A. | one cantilever |
| B. | two cantilevers |
| C. | three cantilevers |
| D. | four cantilevers |
| Answer» D. four cantilevers | |
| 123. |
A higher modular ratio shows____________? |
| A. | higher compressive strength of con-crete |
| B. | lower compressive strength of concrete |
| C. | higher tensile strength of steel |
| D. | lower tensile strength of steel |
| Answer» C. higher tensile strength of steel | |
| 124. |
A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D. is less than__________________? |
| A. | 1.5 |
| B. | 2.0 |
| C. | 2.5 |
| D. | 3.0 |
| Answer» D. 3.0 | |
| 125. |
A beam curved in plan is designed for_______________? |
| A. | bending moment and shear |
| B. | bending moment and torsion |
| C. | shear and torsion |
| D. | bending moment, shear and torsion |
| Answer» E. | |
| 126. |
1% of voids in a concrete mix would reduce its strength by about______________? |
| A. | 5% |
| B. | 10 % |
| C. | 15% |
| D. | 20% |
| Answer» B. 10 % | |