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Unit No: 01 Shelf Life Studies

Sr.

No.Question Marks

1 Define Shelf life & explain its different type. 5

2 Explain how Shelf life is important in packaging industry. 5

3 Derive equation of Shelf life. If product of volume v contained in pouch losethe moisture over an interval of time t. The following parameters affect the

rate of drying

Atmospheric Humidity (He) Equilibrium Moisture (H) Initial moisture of the product (Mo) Product moisture content (M) Equilibrium moisture (Me)

10

4 Explain evaluation of Shelf life for moisture or oxygen sensitive product. 5

5 Define Sensory evaluation & explain objective method of Sensory evaluation. 10

6 Explain Discrimination test in detail. 10

7 Explain Descriptive test in detail. 10

8 Gives significance of Sensory evolution. 5

9 Explain factors affecting in Sensory measurement 10

10 Some crisps, sealed in a bag made from 25 m low density polythene, gained

1.1g in seven days, and 8.2 altogether. When the bag was cut open and re-

exposed. What type of wrapping would be required to give shelf life of 90 days

under the same conditions, assuming that total gain of 3.75g could be tolerated

without loss of texture?

10

11 A packet of biscuit gained 0.25 g of water in the first day of exposure and 20 galtogether when left opened. At what time would it have gained exactly 5 g of

moisture ( the spoilage value)

10

12 An oxygen sensitive package food has a shelf life of 12 months. If the package

thickness is decreased by 20% and the surface area is decreased by 30% What is

the new Shelf life ?

10

13 A 100 g oxygen sensitive food is vacuumed packed into multilayer plastic

pouch, which has a thickness of 10 mil, a surface area of 80 in2, and oxygen

permeability of 0.12 (cc mil)/(100 in2

day atm). What is the estimated shelf life

if the oxygen tolerant limit of the product is 5ppm?

10

.

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Unit No: 02 MAP & CAP

Sr.

No.Question Marks

1 Define MAP and Explain its application & advantage. 10

2 Explain how Map will helps in improving the shelf life of product. 5

3 List down different gases used in MAP& give its property. 10

4 Distinguish between MAP & CAP. 5

5 List down different machine used for MAP. 5

6 Explain working and construction of gas flushing. 5

7 Explain construction of vaccum packaging machine. 5

8 Explain compensated vaccum packaging. 5

9 Define CAP and Explain its advantage in packaging system 5

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Unit No: 03 Packaging Systems

Sr.

No.Question Marks

1 Define Retort packaging & Explain advantage of Retort packaging. 5

2 Write short notes on Retort packaging & Explain material used inRetort packaging with their property.

10

3 Explain machine used for Retort packaging. 10

4 Define Aseptic packaging & Explain advantage of Aseptic packaging. 5

5 Define Sterilization & Explain different types of Sterilization process. 10

6 Explain the advantage of Sterilization & Describe an Autoclave

apparatus & its benefits.

10

7 Explain different material used for Aseptic packaging with their

properties.

5

8 Explain machine used for filling the Aseptic packaging. 5

9 Write short notes on Flexible bottles. (Spouted pouches) 510 Write short notes on Specialty CAP. 5

11 Write short notes on Dispensers. 5

12 Explain application & advantage Barrier technology 5

13 Define Bag in box give its application and advantage in packaging. 10

14 Define Bag in box and explain construction of Bag in box system. 5

15 Explain the properties of material used for Bag in box system. 5

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Unit: 04 Smart Packaging

Sr.

No.Question Marks

1 Define smart packaging & explain advantages of smart packaging? 5

2 Define intelligent packaging & explain the different system used in

intelligent packaging? 53 Write short notes on intelligent packaging & explain its advantages? 5

4 List down different system used in an intelligent packaging & explain

any 2 in detail?10

5 Define Hologram & explain different types of Hologram? 10

6 Write a short note on Hologram & explain its advantages in specialty

packaging?5

7 Explain Hologram used in packaging industry for an anti-countering? 5

8 Explain different types of security inks used in packaging? 5

9 Explain different types of security labels used in packaging? 5

10 List down different types of security features used in specialitypackaging & explain any one of them in detail?

10

11 Explain different types of speciality closures used in packaging

industry and explain its advantages?10

12 List down different types of closures & explain any four in detail? 10

13 Define closures & explain the advantages of closures used in

speciality packaging?5

14 Define Barcodes & explain different types of barcodes ? 5

15 Explain limitation of barcode over RFID? 5

16 Explain working & construction of RFID? 10

17 Define RFID & explain about passive & active tag? 5

18 Explain working of barcode & explain advantages of barcodes over

RFID?10

19 Why RFID is most popular than Barcode in big packaging industry? 5

20 Write short notes on child resistant & elder friendly closures ? 5

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Units: 05 Intermediate Bulk Containers

Sr.

No.Question Marks

1 Define IBC & explain different types? 5

2 Define FIBC & explain mfg procedure of FIBC in detail? 53 Explain the advantages of FIBC? 5

4 Define RIBC & explain its advantages? 5

5 Distinguish between FIBC &RIBC 5

6 Explain the advantages of FIBC over RIBC? 5

7 Explain different testing method for FIBC? 5

8 Explain different testing method for RIBC? 5

9 Explain different types of FIBC? 5

10 Application of FIBC & RIBC in packaging industry? 5

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Unit: 06 Canning and Packaging of canned food

Sr.

No.Question Marks

1 Define canning procedure in detail? 102 Advantages of canning? 5

3 Explain packaging of non-carbonated fruit juices? 10

4 Define thermoforming & explain its new development in

thermoforming packages?10

5 Write short notes on thermoforming and explain different types of

thermoforming process?10

6 Explain TFFS m/c & its advantage? 10

7 Explain factors to be considered while packaging of non-

carbonated fruit juices?10

8 Compare canning with retort packaging? 59 Explain can making procedure in detail? 10

10 Explain different types of seaming in can & explain its advantages? 10

11 Explain the procedure of 3-piece can mfg process? 10

12 Explain the procedure of 2-piece can mfg process? 10