RCC Structures Design MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on RCC Structures Design, a fundamental topic in the field of Civil Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our RCC Structures Design MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of RCC Structures Design mcq questions that explore various aspects of RCC Structures Design problems. Each MCQ is crafted to challenge your understanding of RCC Structures Design principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Civil Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our RCC Structures Design MCQs are your pathway to success in mastering this essential Civil Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of RCC Structures Design. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your RCC Structures Design knowledge to the test? Let's get started with our carefully curated MCQs!

RCC Structures Design MCQs | Page 12 of 25

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Q111.
If the depth of actual neutral axis of a doubly reinforced beam

a.

is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier

b.

is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier

c.

is equal to the depth of critical neutral axis, the concrete and steel attain their maximum stresses simultanesouly

d.

all the above.

Discuss
Answer: (d).all the above.
Q112.
The length of the straight portion of a bar beyond the end of the hook, should be at least

a.

twice the diameter

b.

thrice the diameter

c.

four times the diameter

d.

seven times the diameter.

Discuss
Answer: (d).seven times the diameter.
Q113.
A simply supported beam , 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm², the area of steel required, is

a.

14 cm²

b.

15 cm²

c.

16 cm²

d.

17 cm²

Discuss
Answer: (c).16 cm²
Q114.
In a simply supported slab the minimum spacing of distribution reinforcement, should be four times the effective thickness of the slab or

a.

20 cm

b.

30 cm

c.

40 cm

d.

60 cm

Discuss
Answer: (d).60 cm
Q115.
A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is

a.

30

b.

35

c.

40

d.

45

Discuss
Answer: (c).40
Q116.
If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by

a.

0.2

b.

0.3

c.

0.4

d.

0.5

Discuss
Answer: (d).0.5
Q117.
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is

a.

8.3 kg/cm²

b.

7.6 kg/cm²

c.

21.5 kg/cm²

d.

11.4 kg/cm²

Discuss
Answer: (a).8.3 kg/cm²
Q118.
If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a

a.

simply supported beam

b.

continuous beam

c.

cantilever beam

d.

none of these.

Discuss
Answer: (c).cantilever beam
Q119.
An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm φ placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is

a.

49.9 kg/cm²

b.

100 kg/cm²

c.

250 kg/cm²

d.

175 kg/cm²

Discuss
Answer: (a).49.9 kg/cm²
Q120.
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than

a.

20 cm

b.

30 cm

c.

40 cm

d.

50 cm

Discuss
Answer: (b).30 cm
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