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

The uniformity of grind of a powdered sample is indicated by which of the following index?

(A) Fineness modulus

(B) Bond's index

(C) Work index

(D) Uniformity index

Choose the correct answer from the options given below:

When a mass of grain having an angle of internal friction of 30 degrees is stored in a bin, what will be the Rankine's earth pressure coefficient?

Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R).

Assertion (A): LSU dryer is considered as a continuous flow-mixing type of grain dryer.

Reason (R): In LSU dryer, inverted V-shaped air channels are arranged in such a way that air is forced through the descending grain while moving from feed end to discharge end.

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

Which among the following criteria is used for describing shape of an object?

(A) Roundness

(B) Sphericity

(C) Charted standards

(D) Resemblance of geometric bodies

Choose the correct answer from the options given below:

When one ton of grain with 25% (wb) moisture content is to be dried to 20% (wb), then the amount of water to be evaporated will be?

Match List-I with List-II

Choose the correct answer from the options given below:

The undesirable components which need to be removed during refining of crude vegetable oils include:

(A) Colouring and odouring matters

(B) Free fatty acids

(C) Gums

(D) Waxes

Choose the correct answer from the options given below:

In the adiabatic drying process, if there is a decrease in the value of dry bulb temperature, then:

Important functions of a septic tank includes:

(A) Storage of sludge and scum

(B) Removal of solids from the sewage

(C) Decomposition of solid sewage under aerobic conditions

(D) Decomposition of solid sewage under anerobic conditions

Choose the correct answer from the options given below:

Destoner is a form of separator that separates the:

(A) Feed material into two fractions as per the difference in shape factor

(B) Feed material into heavy particles from the lighter particles

(C) Feed material into two fractions only as per the difference in specific gravity

(D) Feed material into multiple fractions as per the difference in specific gravity

Choose the correct answer from the options given below:

The tractor develops a torque of 35 kg-m at an engine speed of 1350 RPM. Calculate the BHP of the tractor.

The volume of tyre filled with water for ballasting purpose is:

Match List-I with List-II

Choose the correct answer from the options given below:

Which is the most appropriate method to measure soil tilth?

Which of the parameter is affected by the peripheral speed of cylinder in thresher?

A bullock drawn country plough cuts a trapezoidal furrow having 16 cm top width and 4 cm bottom width. The depth of ploughing is 15 cm. If the plough forms an angle of 45° with the horizontal and the average soil resistance is 0.71 kg/cm², calculate the pull exerted by the bullocks in kgf.

The major drawbacks of conventional tillage are categorized as:

(A) Decrease of soil organic matter
(B) Decrease of soil moisture
(C) Short-term potential for soil compaction
(D) Adversely affect the soil structure

Choose the correct answer from the options given below:

Which country is having a full-fledged Ministry for Development of New and Renewable Resources?

A 2-bottom, 50 cm MB plough is being operated at a speed of 5 km/h. If the time lost in turning is 8 per cent, how many hours will be required to plough 23 ha of land?

Given below are two statements:

Statement (I): The soil texture is defined as the relative proportion, by weight percentage, of sand, silt and clay in soil.

Statement (II): The aeration in fine textured soil is medium to poor.

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

Consider the following statements related to biomass conversion techniques.

Statement (I): Thermo-chemical processes have higher efficiencies than bio-chemical processes.

Statement (II): In comparison to bio-chemical conversion techniques, thermo-chemical conversion techniques have superior ability to decompose lignin.

Choose the correct answer from the options given below.

A tractor operated sprayer has 24 nozzles spaced 50 cm apart. Time lost in turning is 8% and filling the tank takes 7% of the time. If the sprayer is operated at a speed of 5 km/h, calculate the coverage area in ha per hour.

Match List-I with List-II.

List-I (Harvesting machine)	List-II (Crop)
(A) Digger	(I) Cotton
(B) Reaper	(II) Potato
(C) Picker	(III) Cereal crops
(D) Snapper	(IV) Forage crops
(E) Mower	(V) Maize

Choose the correct answer from the options given below:

Which of the following is harvesting machine?

(A) Cotton picker
(B) Potato Digger
(C) Mower
(D) Tree shaker

Choose the correct answer from the options given below:

The acceptable work load for average Indian workers is about