Civil Engineering
GATE CE purpose:exam-prep PYQs
Build your understanding with focused practice from past exam papers.
Questions 821–830 of 1300. Imported answers require independent review unless marked reviewed.
Question 11
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In a soil investigation work at a site, Standard Penetration Test (SPT) was conducted at every 1.5 m interval up to 30 m depth. At 3 m depth, the observed number of hammer blows for three successive 150 mm penetrations were 8, 6 and 9, respectively. The SPT N-value at 3 m depth, is
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A sample of 500 g dry sand, when poured into a 2 litre capacity cylinder which is partially filled with water, displaces 188 cm
of water. The density of water is 1 g/cm
. The specific gravity of the sand isYour answerChoose one option.
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Velocity of flow is proportional to the first power of hydraulic gradient in Darcy’s law. This law is applicable to
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Muskingum method is used in
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A body floating in a liquid is in a stable state of equilibrium if its
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Superpassage is a canal cross-drainage structure in which
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Uniform flow with velocity U makes an angle θ with the y-axis, as shown in the figure
. The velocity potential (Φ), is
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A triangular direct runoff hydrograph due to a storm has a time base of 90 hours. The peak flow of 60 m
/s occurs at 20 hours from the start of the storm. The area of catchment is 300 km
. The rainfall excess of the storm (in cm), isYour answerChoose one option.
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Open questionCEMCQ1 markNeeds review
The data for an agricultural field for a specific month are given below:
Pan Evaporation = 100 mm
Effective Rainfall = 20 mm (after deducting losses due to runoff and deep percolation)
Crop Coefficient = 0.4
Irrigation Efficiency = 0.5
The amount of irrigation water (in mm) to be applied to the field in that month, is
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The velocity components in the x and y directions for an incompressible flow are given as
and
, respectively. The equation of the streamline isYour answerChoose one option.
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