Water Resources Civil Gate Previous Year Questions
Ques 1Gate 2021 Set-2
A lake has a maximum depth of 60 m. If the mean atmospheric pressure in the lake region is 91 kPa and the unit weight of the lake water is 9790 N/m3 , the absolute pressure (in kPa, round off to two decimal places) at the maximum depth of the lake is _______.
677.50 - 679.50 is the correct answer.
Ques 2Gate 2021 Set-1
An unlined canal under regime conditions along with a silt factor of 1 has a width of flow 71.25m. Assuming the unlined canal as a wide channel, the corresponding average depth of flow (in m. round off to two decimal places) in the canal will be _________________
2.8-2.95 is the correct answer.
Ques 3Gate 2020 Set-2
Muskingum method is used in
a. hydrologic channel routing
b. hydraulic channel routing
c. hydrologic reservoir routing
d. hydraulic reservoir routing
b is the correct answer.
Ques 4Gate 2020 Set-2
Superpassage is a canal cross-drainage structure in which
a. canal water flows under pressure below a natural stream
b. natural stream water flows under pressure below a canal
c. canal water flows with free surface below a natural stream
d. natural stream water flows with free surface below a canal
c is the correct answer.
Ques 5Gate 2020 Set-1
The probability that a 50 years flood may NOT occur at all during 25 years life of a project (round off to two decimal places), is ________.
0.59- 0.61 is the correct answer.
Ques 6Gate 2020 Set-1
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
a. 80
b. 40
c. 20
d. 0
b is the correct answer.
Ques 7Gate 2019 Set-1
If the path of an irrigation canal is below the bed level of a natural stream, the type of crossdrainage structure provided is
a. Aqueduct
b. Sluice gate
c. Super passage
d. Level crossing
c is the correct answer.
Ques 8Gate 2018 Set-1
Bernoulli’s equation is applicable for
a. viscous and compressible fluid flow
b. inviscid and compressible fluid flow
c. inviscid and incompressible fluid flow
d. viscous and incompressible fluid flow
c is the correct answer.
Ques 9Gate 2017 Set-1
For a steady incompressible laminar flow between two infinite parallel stationary plates, the shear stress variation is
a. linear with zero value at the plates
b. linear with zero value at the center
c. quadratic with zero value at the Plates
d. quadratic with zero value at the centre
b is the correct answer.