Online Civil Engineering Test - Previous GATE Exam Papers Test 4

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  • Total number of questions: 20.
  • Time allotted: 30 minutes.
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Marks : 2/20


Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.

1.
The cylinder strength of the concrete is less than the cube strength because of
the difference in the shape of the cross section of the specimens
the difference in the slendeness ratio of the specimens
the friction between the concrete specimens and the steel plate of the testing machine
the cubes are tested without capping but the cylinders are tested with capping
Your Answer: Option
(Not Answered)
Correct Answer: Option

2.
The permissible bending tensile stress in concrete for the vertical wall of an R.C. water tank made of M 25 concrete is :
8.5 N/mm2
6.0 N/mm3
2.5 N/mm2
1.8 N/mm2
Your Answer: Option
(Not Answered)
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3.
Vane tester is normally used for determining in situ shear strength of :
soft clays
sand
stiff clays
gravel
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(Not Answered)
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4.
The basic assumption of plane sections normal to the neutral axis before bending, remaining plane and normal to the neutral axis after bending, leads to :
uniform strain over the beam cross section
uniform stress over the cross section
linearly varying strain over the cross section
stresses which are proportional to strains at all cross sections
Your Answer: Option
(Not Answered)
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5.
Negative skin friction occurs when :
an upward drag exists in the pile
the surrounding soil settles more than the pile
the pile passes continuously through a firm soil
the driving operation begins
Your Answer: Option
(Not Answered)
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6.
Both Reynolds and Froude numbers assume significance in one of following examples :
Motion of submarine at large depths
Motion of ship in deep seas
Cruising of a missile in air
Flow over spillways
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7.
Two footings, one circular and the other square, are founded on the surface of a purely cohesionless soil. The diameter of the circular footing is same as that of the side of the square footing. The ratio of their ultimate bearing capcities is
3/4
4/3
1.0
1.3
Your Answer: Option
(Not Answered)
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8.
Design rate of super elevation for horizontal highway curve of radius 450 m for a mixed traffic condition, having a speed of 125 km/hour is
1.0
0.05
0.07
0.154
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(Not Answered)
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9.
If YY is the centroidal axis of a T beam-section subjected to plastic moment, Mp, the neutral axis lies,
above the line ZZ
between the lines YY and ZZ
between the lines XX and YY
below the line XX
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(Not Answered)
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10.
The main constituents of gas generated during the anaerobic digestion of sewage sludge are :
carbon dioxide and methane
methane and ethane
carbon dioxide and carbon monoxide
carbon monoxide and nitrogen
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11.
If soil is dried beyond its shrinkage limit, it will show :
Large volume change
Moderate volume change
Low volume change
No volume change
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12.
Two samples of water A and B have pH values of 4.4 and 6.4 respectively. How many times more acidic sample A is than sample B ?
0
50
100
200
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13.
The Piezometric head at point C, in the experimental set-up shown in the below figure when the flow takes place under a constant head through the soils A and B is
0 cm
40 cm
80 cm
120 cm
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14.
Delta (Δ) in cm. Duty (D) in hectare Cumec and Base period (B) in days are related as
Δ = 864 B/D
B = 864 D
B = 864 Δ/D
D = 8.64 B
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(Not Answered)
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15.
Rapid curing cut back bitumen is produced by blending bitumen with
Kerosene
Benzene
Diesel
Petrol
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16.
A river 5 m deep consists of a sand bed with saturated unit weight of 20 kN/m3 . vw = 9.81 kN/m3. The effective vertical stress at 5 m from the top of sand bed is
41 kN/m2
51 kN/m2
55 kN/m2
53 kN/m2
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17.
A prestressed concrete rectangular beam of size 300 mm x 900 mm is prestressed with an initial prestressing force of 700 kN at an eccentricity of 350 mm at midspan. Stress at top of the beam due to prestress alone, in N/mm2 is
46 (tension)
2.59 (compression)
zero
8.64 (compression)
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(Not Answered)
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18.
Base course is used in rigid pavements for
prevention of subgrade settlement
prevention of slab cracking
prevention of pumping
prevention of thermal expansion
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19.
The ultimate bearing capacity of a soil is 300 kN/m2. The depth of foundation is 1 m and unit weight of soil is 20 kN/m3. Choosing a factor of safety of 2.5, the net safe bearing cacpacity is
100 kN/m2
112 kN/m2
800 kN/m2
100.5 kN/m2
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Correct Answer: Option

20.
The type of surveying in which the curvature of the earth is taken into account is called
Geodetic surveying
Plane surveying
Preliminary surveying
Topographical surveying
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