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Civil Engineering – RCC structures Mock test – 3



Welcome to your RCC Structures Design Mock test - 3
Take an exciting test in RCC Structures
You have only 20 mins to complete the test (25 Questions)
Wish you all the best!!!
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1.

In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength

1 out of 25
2.

If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

2 out of 25
3.

In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are

3 out of 25
4.

The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or

4 out of 25
5.

The angle of internal friction of soil mass is the angle whose

5 out of 25
6.

Design of R.C.C. cantilever beams, is based on the resultant force at

6 out of 25
7.

If C is creep coefficient, f is original prestress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

7 out of 25
8.

If the loading on a prestressed rectangular beam, is uniformly distributed, the tendon to be provided should be .

8 out of 25
9.

If H is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is

9 out of 25
10.

The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is

10 out of 25
11.

Top bars are extended to the projecting parts of the combined footing of two columns L distance apart for a distance of

11 out of 25
12.

The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as

12 out of 25
13.

In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called

13 out of 25
14.

Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than

14 out of 25
15.

An R.C.C. roof slab is designed as a two way slab if

15 out of 25
16.

Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as

16 out of 25
17.

If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment

17 out of 25
18.

The minimum clear cover for R.C.C. columns shall be

18 out of 25
19.

The thickness of the flange of a Tee beam of a ribbed slab is assumed as

19 out of 25
20.

If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is

20 out of 25
21.

A flat slab is supported

21 out of 25
22.

In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at

22 out of 25
23.

A pre-stressed concrete member

23 out of 25
24.

A raft foundation is provided if its area exceeds the plan area of the building by

24 out of 25
25.

If diameter of a reinforcement bar is d, the anchorge value of the hook is

25 out of 25









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