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

Pyrolysis of biomass at a relatively low temperature produces

Process of freezing food below eutectic temperature and converting solid ice crystals directly into vapour form is known as

It is found that the energy required to reduce particle from a mean diameter of 10 mm to 5 mm is 1 kJ/kg. Using Rittinger's law, what is the energy requirement to reduce the same from a diameter of 1 mm to 0.5 mm?

Loose housing barn is one in which

(A) Milking parlour is separately constructed

(B) Animals move about freely in a covered or partially covered yard

(C) Animals are housed and milked in same building

(D) Permits changes in herd size without any difficulty

Choose the correct answer from the options given below:

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

Assertion (A): Process of blanching minimises discolouration of food during dehydration.

Reason (R): Blanching cleans raw material and reduces surface bacterial load of the produce.

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

The diameter of largest inscribing circle of an object is observed to be 20 mm. What would be the sphericity of the object if diameter of smallest circumscribing circle is 30 mm?

Agricultural waste from which activated carbon can be manufactured include(s)

(A) Rice husk

(B) Groundnut shell

(C) Oil cake

(D) Mango stone

Choose the correct answer from the options given below:

Frictional force of granular material is -

(A) Proportional to normal load

(B) Independent of the area of the sliding surface

(C) Proportional to actual area of contact

(D) Dependent on nature of material in contact

Choose the correct answer from the options given below:

Which of the following is related to international trade and promotion?

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

Assertion (A): In a rubber roll sheller, paddy is sheared and compressed between two rollers so that its husk is stripped off.

Reason (R): Rollers in a rubber roll sheller rotate in same direction at different speed to increase contact of one roll longer than the other roll.

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

Match List-I with List-II.

Choose the correct answer from the options given below:

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

Assertion (A): Falling film evaporators are most suitable for food that become thicker with concentration.

Reason (R): In falling film evaporator, food film moves downward under gravity instead of buoyancy force.

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

Which among the following is a bag storage structure?

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

Assertion (A): Thermal conductivity of a single grain is always greater than that of bulk grain.

Reason (R): Thermal conductivity of air is comparatively less than that of food grain.

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

Cyclone separator design is based on -

(A) High tangential velocity

(B) Low radial velocity

(C) Low tangential velocity

(D) High radial velocity

Choose the correct answer from the options given below:

The effective tension of a belt conveyor -

What is the amount of heat to be removed from 2 tons of apples when cooled from 25°C to 5°C? Specific heat of apple is 0.1 kcal/kg°C.

Which of the following statement(s) holds correct for a screw press?

(A) Compression ratio is the ratio of the volume displaced per revolution at feed end to that at discharge end.

(B) Volume displaced at feed end is considerably less than at discharge end.

(C) Volume displaced at feed end is considerably greater than at discharge end.

(D) Volume displaced at feed end is equal to that at discharge end.

Choose the correct answer from the options given below:

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.

The COP of a refrigerator working on reverse Carnot cycle (T2 = higher temperature, T1 = lower temperature) is given by:

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

Assertion (A): Parboiled rice develops less rancidity than raw rice during storage.

Reason (R): The process of parboiling destroys some of the natural antioxidants present in rice.

In light of the above statements, 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?

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:

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:

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