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Ipt 443: Dairy Technology Question Paper

Ipt 443: Dairy Technology

Course:Bachelor Of Science In Food Technology

Institution: Masinde Muliro University Of Science And Technology question papers

Exam Year:2015

MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY.
UNIVERSITY EXAMINATION
2015/2016 ACADEMIC YEAR
FOURTH YEAR FIRST SEMESTER EXAM
FOR THE DEGREE
OF
BSC FOOD TECHNOLOGY
COURSE CODE: IPT 443
COURSE TITLE: DIARY TECHNOLOGY
DATE: 9/12/2015
TIME: 2:00-5:00PM
INSTRUCTIONS TO CANDIDATES
Answer all questions

1.a)Give the temperature and time combination that you use In carrying out :(10mrks)
• LTLT
• HTST
• Therminsation
• UHT
• milk sterilization
b)For each of the temperature and time combination above give which test is used to confirm the operations (20 mrks)

2.a)Name diary starter culture bacteria used in the manfucture of :
Cultured milk
Yoghurt
Keffir
Ripened semi hard cheese (10mrk)
b)You are supplied with a vial of lyophilized starter culture.Explain using simple illustrations how you propagate this into bulk active starter culture ready for use in yoghurt manfucture (10mrks)

3.a)Sketch a fluid milk processing plant. Identify the important critical control points and specify what each control .
b) What are the functions of :
The balance tank
The timing pump
The holding section

4.a)Discuss the economics of cooling milk on the farm down to 4 degrees Celsius
b)Why is it necessary to cool milk at the processing plant to 4°C when you are heat treating the same milk within a short time?

5.A farmer has harvested good quality groundnuts. He supplied these to your factory for the manufacture of peanut oil.List and discuss the process you will use to produce clean peanut oil (20 mrks )

Ipt 443: Dairy Technology Question Paper

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