Civil Engineering
2023 · Paper 1
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Complete GATE CE 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.
Question 43
Open questionCEMCQ2 marksNeeds review
A very wide rectangular channel carries a discharge (Q) of 70 m³/s per meter width. Its bed slope changes from 0.001 to 0.009 at a point P, as shown in the figure (not to scale). The Manning’s roughness coefficient of the channel is 0.01. What water surface profile(s) exist(s) near the point P?
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A jet of water having a velocity of 20 m/s strikes a series of plates fixed radially on a wheel revolving in the same direction as the jet at 15 m/s. What is the percentage efficiency of the plates? (round off to one decimal place)
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 45
Open questionCEMCQ2 marksNeeds review
In the following table, identify the correct set of associations between the entries in Column-1 and Column-2.
Column-1 | Column-2 |
|---|---|
P: Reverse Osmosis | I: Ponding |
Q: Trickling Filter | II: Freundlich Isotherm |
R: Coagulation | III: Concentration Polarization |
S: Adsorption | IV: Charge Neutralization |
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