List of top Agricultural Engineering and Technology Questions asked in ICAR AIEEA (PG)

Which state is having largest area under salt affected soils ?
Which of the following statements regarding the drainage system are correct ?
A. It maintains favourable salt and air environments in the crop root zone
B. It does not promote beneficial soil bacteria activity
C. It allows for timelier field operations
D. Crop yields are increased because of improved water management and uptake of plant nutrients
E. There is more surface runoff and soil erosion on drained land
Choose the correct answer from the options given below:
A Persian wheel discharges water at the rate of 11,000 lph and works for 8 hours each day. Estimate the area commanded by the water lift if the average depth of irrigation is 8 cm and irrigation interval is 15 days.
Given below are two statements:
Statement I: Vegetative methods, berms and riprap are the methods used for controlling erosion by waves.
Statement II: Riprap consists of loose stones or concrete blocks dumped or hand placed on the side of the embankment not facing the water.
In light of the above statements, choose the most appropriate answer from the options given below:
The Peak rate of runoff expected from the catchment area of a farm pond is 4 m\(^3\)s\(^{-1}\). Assuming no temporary storage, find the length of the surplus weir, if the depth of flow over the weir is not to exceed 0.75 m.
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:
Given below are two statements
Statement I: Free board is the additional height of the dam provided as a safety factor to prevent overtopping due to unexpected runoff or by wave action.
Statement II: Free board is the vertical distance between the designed water elevation and the elevation of the top of the dam before settlement.
In light of the above statements, choose the most appropriate answer from the options given below
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: 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:
Which stage of rice plant consumes more water?
The relationship between irrigation period (IP) and irrigation frequency (IF) for a well designed irrigation system will be
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:
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:
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
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:
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:
In a belt conveyor, drive unit is coupled
Recirculatory batch dryer is a
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:
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:
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)
Process of cooling or heating of air without changing the humidity ratio is represented on a psychrometric chart by