Hydraulic Jump Mechanics & Spillway Engineeri Practice Questions (Q1-4) - Water Science and Technology

1

ICAR JRF Water Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

If the depth of flow and Froude number before hydraulic jump are y; and F;, after hydraulic jump y2 and F., respectively, then

which of the following formulae are used for sequent depth ratio?
1
A). m= [GVa+8re)]-1
&
8). ye =3WG+8Fe)—1]
1
©). n= Evarers)|-1
1
(). yf =51VG+8 Fx) - 1]
Choose the correct answer from the options given below:

(A) only. (B) only. (A) and (C) only. (B) and (D) only.

2

ICAR JRF Water Science And Technology 29 Jun 2024Shift 1

Match the Following +4 −1

Match List-I with List-II pertaining to side slopes for preliminary design of earthen dams:

Choose the correct answer from the options given below:

List - I सूची - I Dam Core / Material Type List-I (Dam Core / Material Type		List - II सूची - II Recommended Upstream Slope, H:V List-II (Recommended Upstream Slope, H:V
A	Homogeneous well-graded material Homogeneous well-graded material	I	$2.5:1$ to $3:1$ $2.5:1$ to $3:1$
B	Homogeneous coarse silt Homogeneous coarse silt	II	$3:1$ to $3.5:1$ $3:1$ to $3.5:1$
C	Homogeneous clay / fine silt Homogeneous clay / fine silt	III	$3:1$ to $4:1$ $3:1$ to $4:1$
D	Sand or gravel with clay core Sand or gravel with clay core	IV	$2.5:1$ to $3:1$ $2.5:1$ to $3:1$

(A) - (ill), (B) - (IV), (C)- (), (B) - 0) (A) - (IV), (B) - (IN), (C)~ (1), (B) - (Hh) (A) - (III), (B) - (), (C) - (IV), (B) - (I) (A) - (Il), (B) - (IV), (C) - (1), (D) - (ath)

3

ICAR JRF Water Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following structural component in a drop spillway prevents piping under the structure?

Toe wall Side wall Wing wall Head wall

4

ICAR JRF Water Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following material is not used for seepage control of the stored water in ponds?

Bentonite Asphalt compounds Polystyrene sheet Bituminous materials

Water Science and Technology Subjects

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Soil Water Plant & Atmosphere Relationships

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