Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. Food Technology 2nd Semester 76121 ADVANCED FOOD PROCESSING TECHNOLOGY Question Paper.
Roll No. Total No. of Pages : 02
Total No. of Questions : 08
M.Tech. (Food Tech.) (2018 Batch) (Sem.?2)
ADVANCED FOOD PROCESSING TECHNOLOGY
Subject Code : MTFT-521-18
M.Code : 76121
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1.Attempt any FIVE questions out of EIGHT questions.
2.Each question carries TWELVE marks.
Q1. a) Classify membrane driven separation processes. Explain the principle and technology
of ultrafiltration process. Mention its applications in food processing.
b) Distinguish between ionizing and non-ionizing radiations. Explain different radiation
sources that can be used in food irradiation.
Q2. a) Differentiate micro filtration, ultrafiltration, nano filtration and reverse osmosis based
on operating pressure, separation range and pore size of membranes.
b) What are the prescribed doses of irradiations for various applications in food
preservation? Explain the nutritional and microbiological changes in irradiated foods.
Q3. a) Discuss the important properties of near critical fluids.
b) What is the principle of magnetron? Explain the application of microwave heating in
sterilization and finish drying of food.
Q4. Write notes on :
a) Experimental techniques used in NCF extraction
b) Effect of ultrasound on the properties of food
c) Principle and applications of Ohmic heating in food processing
Q5. a) Explain the mechanism of high pressure processing. Elaborate the effect of high
pressure on nutritional and microbiological quality of food.
b) Discuss the important processing parameters in pulsed electric field technology. Also
explain various process models for liquid food processing using PEF.
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1 | M-76121 (S35)-375
Roll No. Total No. of Pages : 02
Total No. of Questions : 08
M.Tech. (Food Tech.) (2018 Batch) (Sem.?2)
ADVANCED FOOD PROCESSING TECHNOLOGY
Subject Code : MTFT-521-18
M.Code : 76121
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1.Attempt any FIVE questions out of EIGHT questions.
2.Each question carries TWELVE marks.
Q1. a) Classify membrane driven separation processes. Explain the principle and technology
of ultrafiltration process. Mention its applications in food processing.
b) Distinguish between ionizing and non-ionizing radiations. Explain different radiation
sources that can be used in food irradiation.
Q2. a) Differentiate micro filtration, ultrafiltration, nano filtration and reverse osmosis based
on operating pressure, separation range and pore size of membranes.
b) What are the prescribed doses of irradiations for various applications in food
preservation? Explain the nutritional and microbiological changes in irradiated foods.
Q3. a) Discuss the important properties of near critical fluids.
b) What is the principle of magnetron? Explain the application of microwave heating in
sterilization and finish drying of food.
Q4. Write notes on :
a) Experimental techniques used in NCF extraction
b) Effect of ultrasound on the properties of food
c) Principle and applications of Ohmic heating in food processing
Q5. a) Explain the mechanism of high pressure processing. Elaborate the effect of high
pressure on nutritional and microbiological quality of food.
b) Discuss the important processing parameters in pulsed electric field technology. Also
explain various process models for liquid food processing using PEF.
2 | M-76121 (S35)-375
Q6. Write notes on :
a) Oscillating magnetic field.
b) Enzymatic inactivation by pulsed electric field.
c) Microbiological and chemical safety of PEF foods.
Q7. a) Write a note on the different chemical and biochemical hurdles used in food
processing.
b) Describe the principles and mechanism of nanotechnology in food processing.
Q8. Write notes on mechanism and applications of the following advanced techniques in food
processing :
a) High intensity light.
b) Combined microwave vacuum drying.
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 post was last modified on 13 December 2019