List of top Dairy Technology Questions asked in ICAR AIEEA (PG)

In case of good quality bricks, absorption of water should be more than _______ of its weight after immersion in water for 16 hours.

In spray drying process, during which of the following periods, much of the drying occurs?

Orange juice is the feed introduced at a rate of 0.50 kg/s to a single effect evaporator. The concentration of the dilute juice is 10% total solids. The juice is concentrated to 40% total solids. Calculate the product mass flow rate.

Which of the following is used to reclaim milk particles from the vapour current in a vacuum pan, to prevent excessive loss of valuable milk solids?

Identify the type of flow in the following statement:
The liquid is atomized near the top of the drying chamber and falls downward. While the air is introduced near the bottom of the drying chamber and moves upward.

Scraper blade used to scrape dried film from the roller dryer drum is known as:

Which of the following is not a method to avoid formation of vortex?

The expression "commercial sterility" is frequently used with the following dairy products:

Which of the following is used as test organism to determine the sterilising effect of in-container sterilisation?

A simple method to estimate boiling-point elevation in evaporator is the use of which of the following rules?

Which of the following form of intelligent packaging is an advanced form of data carrier used for automatic product identification and traceability?

Read the below-given statements pertaining to modified atmosphere packaging.
(A). The solubility of \(CO_2\) in aqueous foods decreases with moisture increase and temperature decrease.
(B). Displacement of oxygen by \(N_2\) acts to block out the oxidative chemical and physiological reactions, preserving the food quality.
(C). Combined high \(O_2\) (80-90%) and \(CO_2\) (10-20%) have been suggested to provide adequate suppression of microbial growth.
(D). Concentrations of \(CO_2\) in excess of 5% (v/v) inhibit the growth of most food spoilage bacteria especially psychrotrophic species such as Pseudomonas spp.
Choose the correct answer from the options given below:

Pasteurized milk at filling is generally saturated with about _____ ppm of oxygen, but if no additional oxygen can gain access, its content falls and the rate of adverse reactions slows or stops.

Given below are the plastic packaging materials used in the food industry.
(A). Polyethylene naphthalate
(B). Ethylene Vinyl Alcohol
(C). Nylon MXD6
(D). Ethylene Vinyl Acetate
Choose the correct plastic material that is/are used as oxygen barrier materials from the options given below:

Which of the following plastic packaging materials of about 10 microns is commonly used for individually wrapping 'citrus fruits' by blowing hot air for a tight contact seal, which reduces blemishes, delays physiological senescence, and restricts the spreading of microbial spoilage infected by contact surface?

Which of the following combined treatments of aseptic packaging systems is most suitable for sterilizing packaging materials and other food contact materials?

Which of the following gases used in modified atmosphere packaging is an inert filler gas being more soluble and denser than nitrogen and is able to remove \(O_2\) from the reactive sites more efficiently?

Which of the following methods of sealing is a non-contact process that applies an electromagnetic field to heat seal a container with a screw cap which has a heat sealable foil inner seal?

Contamination of condensed milk with yeast, Torulalactis condensi may cause:

Sweetened condensed milk contaminated with rennin like enzyme producing bacterial strain may cause:

The overrun in ice cream is indicated by:

Flowability of milk powder can be represented by which of the following powder attributes?

The desired minimum sugar ratio to be maintained in preparation of sweetened condensed milk is: