List of top Water Science and Technology Questions on Basics of Soil Science asked in ICAR AIEEA (PG)

When temperature of water is increased from 0°C to 40°C, the viscosity of water is:
Half-life period is independent of the concentration for
The settling velocity of spherical particles falling through fluid governed by Stokes' law is proportional to
The value of coefficient of skewness is:
Given below are two statements
Statement I: Clay soil must have at least 35% of clay particles and in most cases not more than 40% of clay particles.
Statement II: Silty soils have at least 50% silt and 25% or less clay particles.
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements
Statement I: Well casings and screens are installed on the basis of well log.
Statement II: Well log is a systematic record of length of screens and casings.
In the light of the above statements, choose the most appropriate answer from the options given below:
An individual well discharging at a rate of 0.0001 m³/h would be classified as
Given below are two statements
Statement I: Tube well in hard rock area are called bore well.
Statement II: Bore wells are generally not used for small scale irrigation.
In the light of the above statements, choose the most appropriate answer from the options given below:
If \(\eta_z =\) specific speed, \(\eta_1 =\) pump speed, \(Q =\) pump discharge, \(H =\) total head, then the mathematical expression for specific speed of a pump is:
If a centrifugal pump is discharging 450 l/min of water with 5 hp motor having efficiency 80%, then calculate the total head, will be
Which of the following principles of heredity was proposed by Mendel?
Which of the followings is the beneficial nutrient for rice crop?
Dugout ponds or excavated ponds are fed by:
A. Springs
B. Surface runoff
C. Wells
D. Groundwater wherever aquifers are available
E. Storage reservoirs
Choose the correct answer from the options given below:
The rate of seepage from an unlined pond depends upon:
Compute the volume of excavation required to construct an excavated pond with an average depth of 5.0 m, bottom width of 15 m and bottom length of 10 m. The top area is 1000 m² and mid area of the pond is 800 m².