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Home » Engineering » Civil Engineering » Aptitude Test - 20
1.If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called_____?
A. balanced beam
B. under-reinforced beam
C. over-reinforced beam
D. balanced beam
2.If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be____?
A. 0.35 d
B. 0.40 d
C. 0.45 d
D. 0.35 d
3.Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is______?
A. M15
B. M20
C. M10
D. M15
4.Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is_______________?
A. 28 liters
B. 30 liters
C. 32 liters
D. 28 liters
5.For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be______?
A. 0.75-0.80
B. 0.80-0.85
C. 0.85 � 0.92
D. 0.75-0.80
6.In case of hand mixing of concrete, the extra cement to be added is_________?
A. 5%
B. 10%
C. 15%
D. 5%
7.The individual variation between test strength of sample should not be more than_____?
A. �5% of average
B. � 10% of average
C. � 15% of average
D. �5% of average
8.For walls, columns and vertical faces of all structural members, the form work is generally removed after_____?
A. 24 to 48 hours
B. 3 days
C. 7 days
D. 24 to 48 hours
9.For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is_______?
A. 50 mm
B. 75 mm
C. 100 mm
D. 50 mm
10.Removal of props under______________?
A. slabs spanning upto 4.5 m is 14 days
B. beams spanning upto 6 m is 14 days
C. slabs spanning upto 4.5 m is 7 days
D. slabs spanning upto 4.5 m is 14 days
11.The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than__________________?
A. 5%
B. 10%
C. 15%
D. 5%
12.All reinforcement should be free from_________________?
A. paints
B. loose rust
C. loose mill scales
D. paints
13.The permissible bending stresses Pbet for steel slab bases should not exceed_______________?
A. 1500 kg/cm2
B. 1650 kg/cm2
C. 1800 kg/cm2
D. 1500 kg/cm2
14.The anchorage value of standard U-type hook of a reinforcing bar of diameter d in tension, is______________?
A. 4 d
B. 8d
C. 12 d
D. 4 d
15.Moist sand may contain surface water by mass upto__________________?
A. 1%
B. 3%
C. 5%
D. 1%
16.A fully saturated soil is said to be________________?
A. one phase system
B. two phase system with soil and air
C. two phase system with soil and water
D. one phase system
17.Water content of soil can______________?
A. never be greater than 100 %
B. take values only from 0 % to 100 %
C. be less than 0 %
D. never be greater than 100 %
18.Constant head permeameter is used to test permeability of____?
A. silt
B. clay
C. coarse sand
D. silt
19.If the voids of a soil mass are full of air only, the soil is termed as_______________?
A. air entrained soil
B. partially saturated soil
C. dry soil
D. air entrained soil
20.Voids ratio of a soil mass can_________________?
A. never be greater than unity
B. be zero
C. take any value greater than zero
D. never be greater than unity
21.Which of the following types of soil is transported by gravitational forces ?
A. loess
B. talus
C. drift
D. loess
22.Residual soils are formed by______________?
A. glaciers
B. wind
C. water
D. glaciers
23.Valid range for n, the percentage voids, is______________?
A. 0
B. 0
C. n<0
D. 0
24.Valid range for S, the degree of saturation of soil in percentage is______________?
A. S>0
B. S<0
C. 0
D. S>0
25.When the degree of saturation is zero, the soil mass under consideration represents______________?
A. one phase system
B. two phase system with soil and air
C. two phase system with soil and water
D. one phase system
26.Select the correct range of density index,ID ________________?
A. lD>0
B. ID>0
C. 0 < lD < 1
D. lD>0
27.If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are________________?
A. 1.0 and 0.0
B. 0.0 and 1.0
C. 0.5 and 1.0
D. 1.0 and 0.0
28.If the water content of a fully saturated soil mass is 100%, then the voids ratio of the sample is________________?
A. less than specific gravity of soil
B. equal to specific gravity of soil
C. greater than specific gravity of soil
D. less than specific gravity of soil
29.Relative density of a compacted dense sand is approximately equal to_____________?
A. 40%
B. 60%
C. 95%
D. 40%
30.Which of the following methods is most accurate for the determination of the water content of soil ?
A. oven drying method
B. sand bath method
C. calcium carbide method
D. oven drying method
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