71
ICAR JRF 29 Jun 2024Shift 1
Statement Based +4 −1

An open channel flow is called as steady uniform flow if

Statement (I) : The depth of flow is the same at every cross section of channel
Statement (II) : The depth of the flow does not change with time

In light of the above statements, choose the most appropriate answer from the options given below.

72
ICAR JRF 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1

Which type of salt affected soil/s is/are found in Maharashtra state?

(A) . Saline Soils
(B) . Alkali Soils
(C) . Coastal Saline Soils

Choose the correct answer from the options given below:

73
ICAR JRF 29 Jun 2024Shift 1
Statement Based +4 −1

Read the following statements regarding alkali soils

Statement (I) : ; They have very low infiltration rate
Statement (II) : They have white surface incrustation

In light of the above statements, choose the most appropriate answer from the options given below.

74
ICAR JRF 29 Jun 2024Shift 1
Match the Following +4 −1
Match List with List-l = £-f- System) ()). Portable lines with uniformly spaced outlets for releasing irrigation water to furrows,

Choose the correct answer from the options given below :

List - I
Component of Underground Pipeline
List - II
Function
A Inlet structure Inlet structure I Introduces water into the pipeline with sufficient head Introduces water into the pipeline with sufficient head
B Air release valve Air release valve II Releases entrapped air at high points of the pipeline Releases entrapped air at high points of the pipeline
C Pressure relief valve Pressure relief valve III Prevents pipe burst due to water hammer or excess pressure Prevents pipe burst due to water hammer or excess pressure
D Riser and alfalfa valve Riser and alfalfa valve IV Discharges irrigation water from underground pipeline to field surface Discharges irrigation water from underground pipeline to field surface
75
ICAR JRF 29 Jun 2024Shift 1
Statement Based +4 −1

Given below are two statements regarding drain spacing in tile drains

Statement (I) : ; In general, deeper the drains the wider the spacing
Statement (II) : Hooghoudt equation is used to calculate drain spacing in unsteady state conditions

In light of the above statements, choose the most appropriate answer from the options given below.

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