List of top Questions asked in ICAR AIEEA (PG)- 2023

Which land capability classes are divided into sub classes for agriculture use on the basis of
I. risk of erosion or post erosion damage
II. wetness
III. damage or overflow
IV. root zone limitation
V. climatic limitation
Choose the correct answer from the options given below:
The relationship between irrigation period (IP) and irrigation frequency (IF) for a well designed irrigation system will be
Which stage of rice plant consumes more water?
Resistance to uniform turbulent flow in an open channel system is often expressed in terms of the resistance co-efficient using
A. Manning’s equation
B. Chezy’s equation
C. Darcy -Weisbach equation
D. Bernoulli’s equation
E. Francis Formula
Choose the correct answer from the options given below:
Given below are two statements:
Statement- I : Irrigation frequency indicates the number of days between irrigations during periods of without rainfall.
Statement- II : Irrigation frequency depends on the consumptive use rate of a crop and the amount of unavailable moisture in the crop root zone.
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement-I: For the most economical section of a rectangular channel giving maximum discharge would be when the flow depth is half the breadth of the channel.
Statement-II: For the most economical section of a rectangular channel giving maximum discharge would be when the hydraulic mean radius of the channel is half the depth of flow.
In light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: Water storage efficiency states that small irrigation may lead to higher water application efficiencies yet the irrigation practice may be poor.
Statement II: Permissible length of irrigation runs are controlled to a large extent by the uniformity of water distribution which is possible for a given soil and irrigation management practice.
In light of the above statements, choose the correct answer from the options given below:
The maximum permissible velocity of water in the clayey Channels is
The process of exposing food and food package to ionizing radiation is known as
A. Irradiation
B. Infrared processing
C. Ohmic processing
D. Ultraviolet processing
E. Exposure processing
Choose the correct answer from the options given below:
Bagasse is a byproduct of
If the moisture content of a sample on dry basis is 100%; the moisture content expressed on wet basis will be
The dimensions of Manning’s coefficient is
In a belt conveyor, drive unit is coupled
Winterization of crude oil is a refining step during which
A. Oil is processed with activated carbon
B. Bleached oil is cooled to a low temperature for a long period
C. Solid materials are filtered
D. Oil is washed with water
E. Soaps are removed from the oil by centrifugation
Choose the correct answer from the options given below:
One ton of litchi was cooled from 35$^\circ$C to 5$^\circ$C using a 5 ton refrigeration system in 3 hours. The amount of heat removed by the refrigeration system will be (given specific heat of litchi = 0.5 kcal/kg.$^\circ$C)
Recirculatory batch dryer is a
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Passive MAP is a packaging technique in which desired gas composition is achieved over a period of time.
Reason R: Respiration of the produce packed in a selective permeable package changes the gas composition in the package.
In light of the above statements, choose the correct answer from the options given below:
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: The conical shell of a ball mill is operated at a speed slightly higher than the critical speed.
Reason R: Critical speed of a ball is that rotational speed at which centrifuging occurs.
In light of the above statements, choose the correct answer from the options given below:
Process of cooling or heating of air without changing the humidity ratio is represented on a psychrometric chart by
Bulgur is a product of
Which among the following equipment separate the material based on specific gravity?
A. Specific gravity separator
B. Inclined draper
C. Stone separator
D. Screen cleaner
E. Indented cylinder
Choose the correct answer from the options given below:
The efficiency of a screen cleaner can be increased by
A. Reducing the screen size
B. Increasing the feed rate keeping all other factors constant
C. Uniformly spreading the material over the full width of screen
D. Keeping grain depth equal to twice that of particle size
E. Increasing the screen size
Choose the correct answer from the options given below:
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: Velocity of air inside a suction hose conveying granular material will be higher than the terminal velocity of the material.
Reason R: Terminal velocity of a particle is equal to the air velocity at which a particle remains suspended in a column of air.
In light of the above statements, choose the correct answer from the options given below
The process of parboiling is used for
A. Paddy
B. Millets
C. Oil seeds
D. Pulses
E. Sprouts
Choose the correct answer from the options given below:
A multiple effect evaporator is one in which
A. Vapour from one effect is used directly as the heating medium in the next.
B. The pressure of vapour is increased and the resulting high pressure steam is re‐used as a heating medium
C. Vapour is used to heat the incoming feed liquor or condensed vapour is used to raise steam in a boiler
D. Vapours from one effect is not utilized in heating
E. Vapours are condensed and condensed liquid is further heated
Choose the correct answer from the options given below: