Concrete Technology And Design Of Concrete Structures — Part 2 MCQs with Explanations

40 mm is the correct answer to “For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

100 mm is the correct answer to “Minimum thickness of load bearing RCC wall should be”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

40 is the correct answer to “The recommended value of modular ratio for reinforced brick work is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

About 0.1 N/mm2 is the correct answer to “The permissible diagonal tensile stress in reinforced brick work is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

(i) and (ii) is the correct answer to “Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

(i) and (ii) is the correct answer to “In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

(i) and (iv) is the correct answer to “Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

(i), (ii) and (iii) is the correct answer to “The depth of footing for an isolated column is governed by i) maximum bending moment ii) shear force iii) punching shear The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Both (i) and (iv) is the correct answer to “In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on i) bottom face near counterfort ii) top face near counterfort iii) bottom face near centre of span iv) top face near centre of span The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Only (iv) is correct is the correct answer to “The main reinforcement in the toe of a T-shaped R.C. retaining wall is provided on i) top face parallel to the wall ii) top face perpendicular to the wall iii) bottom face parallel to the wall iv) bottom face perpendicular to the wall The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

None of the above is the correct answer to “Select the incorrect statement”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Dead load + fraction of live load is the correct answer to “To minimize the effect of differential settlement, the area of a footing should be designed for”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

5% more is the correct answer to “The load carrying capacity of a helically reinforced column as compared to that of a tied column is about”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

0.40 d is the correct answer to “If the permissible stress in steel in tension is 140 N/mm 2 , then the depth of neutral axis for a singly reinforced rectangular balanced section will be”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

32 liters is the correct answer to “Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Lower compressive strength of concrete is the correct answer to “A higher modular ratio shows”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Lower part of the beam is the correct answer to “Normally prestressing wires are arranged in the”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Flexural tensile strength is the correct answer to “Modulus of rupture of concrete is a measure of”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Rounded is the correct answer to “In order to obtain the best workability of concrete, the preferred shape of aggregate is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

(i) and (iv) is the correct answer to “In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

(i) and (iv) is the correct answer to “The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

0.43 d is the correct answer to “According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Counterfort type is the correct answer to “Which of the following R.C. retaining walls is suitable for heights beyond 6 m”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

The inner face in one direction is the correct answer to “In T-shaped R.C. retaining walls, the main reinforcement in the stem is provided on”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Cold drawn wires is the correct answer to “Which of the following has high tensile strength”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

To impart initial compressive stress in concrete is the correct answer to “The purpose of reinforcement in pre-stressed concrete is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

3.5 m is the correct answer to “For a cantilever of effective depth of 0.5 m, the maximum span to satisfy vertical deflection limit is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

fcr > fcs > fcl is the correct answer to “The relation between modulus of rupture f cr , splitting strength f cs and direct tensile strength f cl is given by”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

3 times the least lateral dimension is the correct answer to “According to IS: 456-1978, the column or the strut is the member whose effective length is greater than”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Over reinforced beam is the correct answer to “If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

wR/2d is the correct answer to “The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome)”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Does not show definite yield point but yield point is defined by 0.2% proof stress is the correct answer to “Stress strain curve of high tensile steel”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

One end fixed and other end hinged is the correct answer to “While designing the pile as a column, the end conditions are nearly”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Compressive is the correct answer to “In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Top face perpendicular to wall is the correct answer to “The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

24 to 48 hours is the correct answer to “For walls, columns and vertical faces of all structural members, the form work is generally removed after”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Higher initial setting time but lower final setting time is the correct answer to “As compared to ordinary portland cement, high alumina cement has”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

More is the correct answer to “The compressive strength of 100 mm cube as compared to 150 mm cube is always”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

0.0003 is the correct answer to “Approximate value of shrinkage strain in concrete, is”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.

Bending moment, shear and torsion is the correct answer to “A beam curved in plan is designed for”. This question is standard in competitive examination syllabi for Concrete Technology And Design Of Concrete Structures.