Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 7th Sem New 2171404 Food Packaging Technology Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2171404 Date: 03/12/2019
Subject Name: Food Packaging Technology
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks
Q.1 (a) Define the following terms.
i) Cullet
ii) Food Packaging
iii) Degree of polymerization
03
(b) Sate the effect of followings on the properties of packaging material.
i) Ethylene copolymer coating on BOPP
ii) Increasing the distance between repeating polar ?CONH- groups in nylon
iii) Nitrocellulose coating on cellophane
iv) Addition of cobalt during glass manufacturing
04
(c) List out basic types of metal plates used for food packaging. What are
precautionary and technical measures to be taken while placing the order of
metal cans to a manufacturer?
07
Q.2 (a) How food packaging improve sales? 03
(b) What are ideal characteristics of food packaging material? 04
(c) Derive the relationship between bulk density, true density and porosity with
respect to food packaging.
07
OR
(c) Explain the possible hazards and suggest step by step suitable packaging
material for dairy products
07
Q.3 (a) Labeling is preferred over container printing under many circumstances. Justify
the statement.
03
(b) Highlight on the advantages and limitations of aluminum containers. 04
(c) Food product is filled with 32% porosity in a container. In one batch the
porosity was observed to be 28%. Calculate how much more or less percentage
of food product was filled in each container? What are its consequences?
07
OR
Q.3 (a) Differentiate between LDPE and HDPE. 03
(b) What are components of Form Fill and Sealing machine? 04
(c) Discuss the process of paper manufacturing with the functions of each step. 07
Q.4 (a) What are functional layers in laminates used for food packaging? 03
(b) What do you understand by blister packaging? 04
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VII (New) EXAMINATION ? WINTER 2019
Subject Code: 2171404 Date: 03/12/2019
Subject Name: Food Packaging Technology
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks
Q.1 (a) Define the following terms.
i) Cullet
ii) Food Packaging
iii) Degree of polymerization
03
(b) Sate the effect of followings on the properties of packaging material.
i) Ethylene copolymer coating on BOPP
ii) Increasing the distance between repeating polar ?CONH- groups in nylon
iii) Nitrocellulose coating on cellophane
iv) Addition of cobalt during glass manufacturing
04
(c) List out basic types of metal plates used for food packaging. What are
precautionary and technical measures to be taken while placing the order of
metal cans to a manufacturer?
07
Q.2 (a) How food packaging improve sales? 03
(b) What are ideal characteristics of food packaging material? 04
(c) Derive the relationship between bulk density, true density and porosity with
respect to food packaging.
07
OR
(c) Explain the possible hazards and suggest step by step suitable packaging
material for dairy products
07
Q.3 (a) Labeling is preferred over container printing under many circumstances. Justify
the statement.
03
(b) Highlight on the advantages and limitations of aluminum containers. 04
(c) Food product is filled with 32% porosity in a container. In one batch the
porosity was observed to be 28%. Calculate how much more or less percentage
of food product was filled in each container? What are its consequences?
07
OR
Q.3 (a) Differentiate between LDPE and HDPE. 03
(b) What are components of Form Fill and Sealing machine? 04
(c) Discuss the process of paper manufacturing with the functions of each step. 07
Q.4 (a) What are functional layers in laminates used for food packaging? 03
(b) What do you understand by blister packaging? 04
2
(c) Differentiate between gravitational filling and metering filling. Explain low
vacuum filling system used for liquid food product with a neat and well labeled
diagram.
07
OR
Q.4 (a) Logistical packaging adds value. Justify the statement. 03
(b) Briefly highlight on the properties of Glass with respect to food packaging. 04
(c) Define Half value period (HVP). Explain HVP determination of packaged food
product and its application in shelf life estimation.
07
Q.5 (a) Draw a well labeled sketch of Double seam cross section in tin plate container. 03
(b) Define aseptic packaging. What are the advantages and limitations of aseptic
packaging?
04
(c) What do you understand by active packaging and intelligent packaging? Discuss
types of active packaging films with its active component, mode of action and
application areas.
07
OR
Q.5 (a) Why nutritional labeling is mandatory in food packaging? 03
(b) Briefly explain the mechanisms for edible film formation. 04
(c) Define thermoplastic. Discuss the properties and food packaging application of
EVOH, PVC and cellulose acetate.
07
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This post was last modified on 20 February 2020