Roll No.
Total No. of Pages : 02
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Total No. of Questions : 18
B.Tech. (Food Technology) (Sem.=5)
FOOD ANALYSIS AND QUALITY CONTROL
Subject Code : BTFT-504
M.Code : 78649
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Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
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SECTION-A
Write briefly :
- Differentiate between the transmission and refraction of Light.
- Differentiate between Hue and chroma.
- a) How will you define flavor?
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b) Define Flavour. How is the taste perceived on tongue? - What is the difference between Shear rate & shear stress?
- What do you understand from viscoelastic foods?
- What do you understand by term Retention Factor (Rf)?
- How does the NIR spectroscopy works.
- What are the units of measurement of Hardness, Resilience and springiness in TPA?
- What is the usefulness of measuring the electrical conductivity in food?
- What is the principle of Gram Staining?
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SECTION-B
- What is the principle of munsell colour model?
- a) How are the pungency perceived by the human beings.
b) Differentiate between the Gas Chromatography and High Pressure Liquid Chromatography. - What is the importance of rheology in the food industry?
- What is the principle of Nuclear Magnetic Resonance? How is it used to check adulteration in honey?
- Write down the principle and procedure of column chromatography.
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SECTION-C
- Explain in detail the CIE Lab Model. What is the difference in colorimeter and spectrophotometer?
- Explain in detail the various types of non-Newtonian flow behaviour along with suitable Examples.
- Explain in details the paired comparison, duo-trio, triangle and multiple sample tests.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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This download link is referred from the post: PTU B.Tech 5th Semester Last 10 Years 2011-2021 Previous Question Papers|| Punjab Technical University
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