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

Decimal reduction time is the time required at a given condition to

Airy’s formula is used for calculation of lateral pressure in
A. CAP structure
B. Deep bins
C. Shallow bins
D. Pusa bins
E. Morai structure
Choose the correct answer from the options given below:

Consider the following unit operations; arrange them in sequence as performed during wet milling of pulses
A. Conditioning
B. Mixing with red earth
C. Soaking
D. Dehusking
E. Grading
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:

If the lateral pressure at a certain height in a grain storage structure is calculated to be \(2000 \text{ kg}\cdot\text{m}^{-2}\); then the vertical pressure will be (given K = 0.5)

Purpose of a compressor in a vapour compression refrigeration system include(s)
A. To compress high pressure vapour coming from evaporator
B. Conversion of liquid refrigerant to vapour
C. To compress low pressure vapour refrigerant
D. To compress liquid refrigerant
E. Maintain pressure of liquid refrigerant
Choose the correct answer from the options given below:

The bulk density of the produce having porosity and true density of 40% and \(50 \text{ kg}\cdot\text{m}^{-3}\) will be

Food Safety and Standards Authority of India was established in the year

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: CFTRI method of pulse milling eliminates use of edible oil.
Reason R: Alternate heating and tempering of pulses loosens the husk.
In light of the above statements, choose the correct answer from the options given below

Drying of fruit pulp can be accomplished by which of the following dryer?
A. Fluidized bed dryer
B. Drum dryer
C. Spray dryer
D. LSU dryer
E. Baffle dryer
Choose the correct answer from the options given below:

What will be power generated from an arrangement having 200 solar cells connected in series. Assuming operating voltage of each photo‐voltaic cell as 0.45 V and current output as 1.1A

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In offset disc harrow the couple acting on front gang is considerably smaller than that of rear gang.
Reason R: In off-set disc harrow the rear gang is operating in loose soil compared to front gang.
In light of the above statements, choose the correct answer from the options given below

Given below are two statements
Statement I: In solar cell electromagnetic energy is converted into electricity while as in fuel cell chemical energy is converted into electricity
Statement II: In both solar cell and fuel cell conversion efficiency is limited by externally reversible heat engine cycle
In light of the above statements, choose the most appropriate answer from the options given below

Consider the following statements related to harvesting knife
A. Fine knife has small bevel angle
B. Blunt knife has large edge radius
C. Sharp knife has small edge radius
D. Dull knife has small bevel angle
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: Face-out type of arrangement in a barn saves 20% floor area as compared to face-in type.
Reason R: Manure alley can be eliminated in the face-in type of arrangement.
In light of the above statements, choose the correct answer from the options given below

Efficiency of a spiral separator can be adjusted by
A. Feed rate
B. Air flow rate
C. Slope of spiral separator
D. Vibration frequency
E. Stroke length
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 output gases from downdraft gasifier are relatively cleaner compared to gases from updraft gasifier
Reason R: In downdraft gasifier the products from the pyrolysis zone and drying zone pass through oxidation zone causing thermal cracking of volatiles
In light of the above statements, choose the correct answer from the options given below

Which of the following conditions are essential for noise measurement of tractors and agricultural machinery as per IS (12180) 2000?
A. The measurement should be in A- weighted sound pressure level
B. The wind velocity at the microphone position shall not exceed 5 m.s\(^{-1}\)
C. Tractor shall be unballasted
D. The background noise shall be atleast 10 dB(A) below the level measured during test
E. The testing area should not have a slope of more than 15\(^\circ\)
Choose the correct answer from the options given below:

An agricultural worker expired 150 litres of air having 16% oxygen in 5 minute duration. What is the oxygen consumption in litre per minute to perform the activity?

For the same compression ratio, the efficiency of diesel cycle approaches that of otto cycle as the Cut-off ratio approaches

As the compression ratio is decreased

Given below are two statements
Statement I: Weight transfer from drawbar pull, increases the soil reaction against front wheels and decreases the reaction against rear wheel.
Statement II: For towed wheel axle torque is zero and for self propelled wheel pull is zero.
In light of the above statements, choose the most appropriate 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 cylinder wall temperature of air-cooled engine is generally higher than that of water cooled engine
Reason R: The control of cylinder temperature is more difficult in air cooled engines
In light of the above statements, choose the correct answer from the options given below

Consider the following statements for belt drive use in agricultural machinery
A. V-belts are employed in agricultural machinery applications in which it is not necessary to maintain exact speed ratios
B. V-belts are not suitable for heavy loads at low speeds
C. If the ratio between the tight side and slack side tension is too great, belt slippage will be excessive
D. Agricultural V-belts are designated based on Standard established by Rubber Manufacturers Association (RMA)
E. Belts designed specially for variable speed drives are narrower that conventional V-belts in relation to their thickness.
Choose the correct answer from the options given below:

Given below are two statements
Statement I: Chisel type tillage tools breakup the soil without inverting it
Statement II: Disc blades sharpened from the concave side penetrate more readily than disk blades sharpened from convex side
In light of the above statements, choose the most appropriate answer from the options given below