Food Packaging Technology Nptel Week 2 Answers
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Table of Contents
Food Packaging Technology Nptel Week 2 Answers (July-Dec 2025)
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Question 1. Electrolytic tinplates, with low tin coating need not be lacquered
a) True
b) False
Question 2. TFS stands for
a) Tin free steel
b) Tin for steel
c) Tin frame steel
d) None of the above
Question 3. Type MR plate is used for mild acid and moderately corrosive products.
a) True
b) False
Question 4. According to the chemical composition requirements (ASTM A 623:77), there are ___________ types of base plates.
a) 2
b) 3
c) 4
d) 5
Question 5. The most commonly used base plate type is ___________
a) Type L
b) Type MC
c) Type MR
d) None of the above
Question 6. Tin plates are black plates coated on either side with thin layer of tin
a) True
b) False
Question 7. Steel plate coated with 80-90% lead and 10-20% tin is called ___________
a) Tin free steel
b) Black plate
c) Terne plate
d) 2CR plate
Question 8. Lacquered TFS has greater resistance to corrosion and chemicals
a) True
b) False
Question 9. Aluminum is used for DRD and DWI cans
a) True
b) False
Question 10. Aluminum cans are lightweight, used for shallow-drawn, round or oblong cans or trays
a) True
b) False
Question 11. ECCS stands for ___________
a) Electrolytically chromium coated steel
b) Tin free steel
c) Both of the above
d) None of the above
Question 12. Pure aluminum belongs to series ___________
a) 1000
b) 2000
c) 5000
d) None of the above
Question 13. ___________ are related to incomplete lacquering
a) Pot holes
b) Eye holes
c) Residues
d) None of the above
Question 14. Lacquers are also known as enamels
a) True
b) False
These are Food Packaging Technology Nptel Week 2 Answers
Question 15. ___________ are the different methods of lacquering
a) Roller coating
b) Spraying
c) Powder coating
d) All of the above
Question 16. Oleoresinous lacquer contains rosin
a) True
b) False
Question 17. Fruit enamels is otherwise known as R-enamel
a) True
b) False
Question 18. Epoxy lacquers are based on ___________
a) Epichlorohydrin
b) Phenols
c) Esters of fatty acids
d) Vinyl chloride
Question 19. ___________ lacquer is used as first coat in beer and beverage cans
a) Polybutadiene
b) Vinyl chloride
c) Acrylic
d) Organosols
Question 20. The can dimension 401 x 411 corresponds to ___________
a) Diameter 4 and 1/16th inch and height 4 and 11/16th inch
b) Height 4 and 1/16th inch and diameter 4 and 11/16th inch
c) Length 4 inch and 01 centimeters and breath 4 inch and 11 centimeters
d) None of the above
These are Food Packaging Technology Nptel Week 2 Answers