List of top Questions asked in ICAR AIEEA (PG)

Which of the following statements on cavitation in centrifugal pumps is correct?
A. Cavitation occurs when pressure in suction line is too high relative to vapour pressure of pumped liquid.
B. Cavitation occurs when pressure in suction line is too low relative to vapour pressure of pumped liquid.
C. The tendency to cavitate decreases when volatile liquids are pumped
D. Cavitation can be avoided by decreasing the pressure drop in suction line
Choose the most appropriate answer from the options given below:

A double action reciprocating pump has length of stroke 'L' metre, area of cross section 'A' m². What will be the discharge 'Q' m³/s from the pump, if the crank speed is 'N' RPM?

In the casing of a centrifugal pump the energy of water is converted into energy, before the water leaves the casing. Fill in the blanks appropriately.

The ideal conditions for ripening of Cheddar cheese are:

The function of one of following is to desuperheat the vapour coming out of compressor in multi compression refrigeration system:

In vapour compression refrigeration system, the refrigerant has maximum temperature:

A good refrigerant should have:

In HTST milk pasteurizer, the average residence time is determined from the volumetric flow rate of milk and the:

In HTST pasteurizer, raw milk enters and leaves the regenerator at the temperatures 4°C and 65.2°C respectively. If the pasteurization temperature is 72°C, then the regeneration efficiency will be:

Which of the following statements are true with regard to HTST pasteurizer?
A. Automatic precision control assures positive pasteurization
B. Complete drainage is possible without losses
C. System is suited for regenerative heating
D. System imparts cooked flavour to milk than does vat pasteurization
Choose the most appropriate answer from the options given below:

In two stage homogenization process, the purpose of adding second stage is to:

What is the cause of wear in valve assembly of homogenizer?

Which type of pump is used in milk homogenizer?

Which of the following statements related to application of membrane techniques in cheese making are true?
A. Application of ultra filtration in cheese making results in 10-30% increase in cheese yield
B. Casein micelles are larger than bacteria and milk fat and hence micro filtration helps in its easy separation
C. Viscosity of milk dramatically increases during membrane processing when protein content exceeds 12-14%
D. Recirculation of ultrafiltration retentate may lead to partial homogenization of fat and reduce textural quality of hard cheese.
Choose the most appropriate answer from the options given below:

According to the Food Safety and Standards (Labelling and Display) Regulations (2019), which of the following statements are correct?
A. Declaration regarding food allergens is optional
B. The country of origin of the food shall be declared on the label of food imported into India
C. Table top sweeteners are exempted from mandatory nutritional labelling
D. Every package of non-vegetarian food containing ingredients of animal origin shall bear a symbol consisting of brown colour filled circle inside a square with brown outline.
Choose the most appropriate answer from the options given below:

Match List I with List II:
A. Ethyl alcohol
B. Dietary fibre
C. Organic acid
D. Erythritol
Match with the following energy values:
I. 2 kcal/g
II. 0 kcal/g
III. 7 kcal/g
IV. 3 kcal/g
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Which of the following thermoplastic packaging materials is non-crystallizable and have bulky pendent groups?

Which of the following correctly describes the relationship between the circumferential stress ($\sigma$), package diameter ($d$), wall's thickness ($L$) and the internal pressure ($P$) of a glass packaging material/bottle?

Which of the following is used as an adhesive or tie-layers for extrusion lamination of packaging films?

Which of the following intelligent packaging tools simulates the changes in the packaged food and gives colorimetric response when applied externally?

Which of the following additives decreases the glass transition temperature of biopolymers?

Which of the following statements are correct with regard to orientation of plastic packaging films?
A. Uniaxial or biaxial molecular orientation of polymers involves stretching an un-oriented thermoplastic below its melting point but above glass transition temperature.
B. Oriented films are widely used in stretch packaging.
C. Oriented films have better optical properties but inferior gas barrier properties compared to their unoriented films.
D. Biaxially oriented polypropylene (BOPP) is used as a sealant layer in retort pouch.
Choose the most appropriate answer from the options given below:

Which of the following source of emulsifier or emulsifiers are desirable in ice cream mixes prepared with butter or butter oil as a main source of fat?

What is the percentage of water in the ice cream mix formed into ice when ice cream is extruded from the ice cream freezer at -5° to -6°C?

Arrange the following methods of ghee making in terms of their increasing energy requirement (kcal/g):
A. Creamery butter
B. Pre-stratification
C. Indigenous
D. Continuous
E. Direct cream
Choose the correct answer from the options given below: