Allied & ICAR Exam Bank • ALLIED_0930 NAT • 2 Marks

Section 5: Irrigation and Drainage Engineering

Drainage Engineering and Salt Management

Subtopic: Salt-Affected Soils and Land Reclamation

Question Statement:

Irrigation water has electrical conductivity $EC_{iw} = 1.5\text{ dS/m}$ and permissible drainage leachate salinity is $EC_{dw} = 7.5\text{ dS/m}$. The leaching requirement $LR = \frac{1.5}{7.5}$ expressed as a percentage is:

Answer Key:

20

Step-by-Step Solution & Explanation

$LR = 1.5 / 7.5 = 0.20 = 20\%$.
← Previous (ALLIED_0929) Next (ALLIED_0931) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test