Questions 861–870 of 1300. Imported answers require independent review unless marked reviewed.

Topic practice 1300 questionsPage 87 of 130

Question 31

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A dowel bar is placed at a contraction joint. When contraction occurs, the concrete slab cracks at predetermined location(s). Identify the arrangement, which shows the correct placement of dowel bar and the place of occurrence of the contraction crack(s).
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Question 31

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The flow-density relationship of traffic on a highway is shown in the figure
Diagram for Civil Engineering question 31

. The correct representation of speed-density relationship of the traffic on this highway is
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Question 32

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The relationship between traffic flow rate (q) and density (D) is shown in the figure. The shock wave condition is depicted by
Diagram for Civil Engineering question 32

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Question 32

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Group-I gives a list of test methods for evaluating properties of aggregates. Group-II gives the list of properties to be evaluated.
Group-I: Test methods P. Soundness test Q. Crushing test R. Los Angeles abrasion test S. Stripping value test
Group-II: Properties
Strength
Resistance to weathering
Adhesion
Hardness
The correct match of test methods under Group-I to properties under Group-II, is
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Question 33

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The appropriate design length of a clearway is calculated on the basis of ‘Normal Take-off condition’. Which one of the following options correctly depicts the length of the clearway? (Note: None of the options are drawn to scale.)
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Question 33

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For the hottest month of the year at the proposed airport site, the monthly mean of the average daily temperature is 39°C. The monthly mean of the maximum daily temperature is 48°C for the same month of the year. From the given information, the calculated Airport Reference Temperature (in °C), is
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Question 34

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The total stress paths corresponding to different loading conditions, for a soil specimen under the isotropically consolidated stress state (O), are shown below. The correct match between the stress paths and the listed loading conditions, is
Diagram for Civil Engineering question 34

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Question 34

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Permeability tests were carried out on the samples collected from two different layers as shown in the figure (not drawn to the scale). The relevant horizontal (k_h) and vertical (k_v) coefficients of permeability are indicated for each layer.
Diagram for Civil Engineering question 34

The ratio of the equivalent horizontal to vertical coefficients of permeability, is
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Question 35

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The soil profile at a site up to a depth of 10 m is shown in the figure (not drawn to the scale). The soil is preloaded with a uniform surcharge (q) of 70 kN/m² at the ground level. The water table is at a depth of 3 m below ground level. The soil unit weight of the respective layers is shown in the figure.
Diagram for Civil Engineering question 35

Consider unit weight of water as 9.81 kN/m³ and assume that the surcharge (q) is applied instantaneously. Immediately after preload, the effective stresses (in kPa) at points P and Q, respectively, are
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Question 35

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A 10 m high slope of dry clay soil (unit weight = 20 kN/m³), with a slope angle of 45° and the circular slip surface, is shown in the figure (not drawn to the scale). The weight of the slip wedge is denoted by W. The undrained unit cohesion (c_u) is 60 kPa.
Diagram for Civil Engineering question 35

The factor of safety of the slope against slip failure, is
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