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Q1. Group-I contains dimensionless parameter and Group-II contains ratio

Correct match of the dimensionless parameter in Group-I with Group-II is

A. P − 3,Q − 2,R − 4,S − 1

B. P − 3,Q − 4,R − 2,S − 1

C. P − 2,Q − 3,R − 4,S − 1

D. P − 1,Q − 3,R − 2,S − 4

Answer : Option C
Explaination / Solution:
No Explaination.

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Q2. The state transition matrix for the system

Answer : Option C
Explaination / Solution:

UPSC Civil services Entrance exams Civil Services Aptitude Test (CSAT) # Civil Engineering Geotechnical Engineering Prepare / Learn

Q3. A fine grained soil has liquid limit of 60 and plastic limit of 20. As per the plasticity chart, according to IS classification, the soil is represented by the letter symbols

A. CL

B. CI

C. CH

D. CL-ML

Answer : Option C
Explaination / Solution:
No Explaination.

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Q4. Ion concentration obtained for a groundwater sample (having pH = 8.1) are given below

Total hardness (mg/L as CaCO₃) present in the above water sample is

A. 205

B. 250

C. 275

D. 308

Answer : Option C
Explaination / Solution:
No Explaination.

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Q5. For the plane stress situation shown in the figure, the maximum shear stress and the plane on which it acts are

A. –50 MPa, on a plane 45° clockwise w.r.t. x-axis

B. –50 MPa, on a plane 45° anti-clockwise w.r.t. x-axis

C. 50 MPa, at all orientations

D. Zero, at all orientations

Answer : Option D
Explaination / Solution:

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Q6. A roundabout is provided with an average entry with of 8.4 m, width of weaving section as 14 m, and length of the weaving section between channelizing islands as 35 m. The crossing traffic and total on the weaving section are 1000 and 2000 PCU per hour respectively. The nearest rounded capacity of the roundabout ( in PCU per hour) is

A. 3300

B. 3700

C. 4500

D. 5200

Answer : Option B
Explaination / Solution:
No Explaination.

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Q7. The plan of a survey plotted to a scale of 10 m to 1 cm ie reduced in such a way that a line originally 10 cm long now measures 9 cm. The area os the reduced plan is measured as 81 cm². The actual area (m²) of the survey is

A. 10000

B. 6561

C. 1000

D. 656

Answer : Option A
Explaination / Solution:
No Explaination.

UPSC Civil services Entrance exams Civil Services Aptitude Test (CSAT) # Civil Engineering Water Resources Engineering Prepare / Learn

Q8. For a 2-D flow field, the stream function ψ is given as ψ = 3/2(y²- x²). The magnitude of discharge occurring between the stream line passing through points (0, 3) and (3, 4) is

A. 6 units

B. 3 units

C. 1.5 units

D. 2 units