1
GATE CE 2025 Set 2
MCQ (Single Correct Answer)
+1
-0.33

A hydraulic jump occurs in an open channel when the slope of the channel changes from__________ .

A
MILD slope to STEEP slope
B
STEEP slope to MILD slope
C
MILD slope to ZERO slope
D
STEEP slope to a STEEPER slope
2
GATE CE 2023 Set 1
MCQ (Single Correct Answer)
+1
-0.33
When a supercritical stream enters a mild-sloped (M) channel section, the type of flow profile would become _________.
A
M1
B
M2
C
M3
D
M1 and M2
3
GATE CE 2023 Set 1
MCQ (Single Correct Answer)
+1
-0.33

G1 and G2 are the slopes of the approach and departure grades of a vertical curve, respectively.

Given |G1| < |G2| and |G1| ≠ |G2| ≠ 0

Statement 1 : +G1 followed by +G2 results in a sag vertical curve.

Statement 2 : −G1 followed by −G2 results in a sag vertical curve.

Statement 3 : +G1 followed by −G2 results in a crest vertical curve.

Which option amongst the following is true?

A
Statement 1 and Statement 3 are correct; Statement 2 is wrong
B
Statement 1 and Statement 2 are correct; Statement 3 is wrong
C
Statement 1 is correct; Statement 2 and Statement 3 are wrong 
D
Statement 2 is correct; Statement 1 and Statement 3 are wrong 
4
GATE CE 2022 Set 2
Numerical
+1
-0

A hydraulic jump takes place in a 6 in wide rectangular channel at a point where the upstream depth is 0.5 m (just before the jump). If the discharge in the channel is 30 m3/s and the energy loss in the jump is 1.6 m, then the Froude number computed at the end of the jump is _________. (round off to two decimal places)

(Consider the acceleration due to gravity as 10 m/s2.)

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