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Food technology exam with correct answers 100%
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Food technology exam with correct answers
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Food technology exam with correctanswers
Identify the production systems used in food manufacture - Correct Answers -Manual
production systems
Automated production system
Computerised production systems
Descibe the features of manual production systems - Correct Answers -Manual
production systems
- They physical handle material
- Suitable for small scale production
- Some mechanical equipment may be used
- More cost effective to use labour rather than invest in large expensive equipment
Describe the features of automated production systems - Correct Answers -Automated
production system
-Specifically designed machines carry out repetitive actions
- Production flows automatically from one process to the next
-Product standardised to ensure , manual handling is minimal and the cost of labour
reduced
Production equipment should be: - Correct Answers -Smooth
Impervious to water
Inert
Durable
Motionless
Accessible
What are the raw materials used in the food industry? - Correct Answers -A raw material
is any product that is used in the manufacture of another processed food. They are
used in food processing (manufacturing process, food additives and packaging)
Explain sous vide process, including the packaging process used - Correct Answers -
Sous-vide is a used to extend the shelf-life of foods by using minimal heat treatment.
, Foods are cooked in sealed air-evacuated, heat stable pouches to preserve flavout and
appearance and then blast-chilled to 3-C.
What is the function of Acids/acidity regulators as a food additive? - Correct Answers -s
help to maintain a constant acid level in food. This is important for taste as well as to
influence how other substances in the food function. For example an acidied food can
retard the growth of some micro-organisms
What is the function of the food additive Anti-caking agents? - Correct Answers -s
reduce the tendency of indivisual food particles to adhere and improve flow
characteristics. For example seasoning with an added anti-caking agent flows freely and
doesn't clump together
What is the function of the food additive Anti-oxidants? - Correct Answers -retard of
prevent oxidative deterioration of food. For example in fats and oils, rancid flavours can
develop when they are exposed to oxygen. Anti-oxidants prevent this from happening
What is the function of Bulking agents as a food additive? - Correct Answers -contribute
to the volume of the food, without contributing significant to its available energy. For
example sugar often contributes to the volume of lollies while some low joule food need
bulking agents added to them to replace the bulk normally provided by sugar
What is the function of Colourings as a food additive? - Correct Answers -add or restore
colour to food e.g.icing mixture is coloured to make it more attractive on cakes
What food additive facilitate or maintain oil and water from separating into layers e.g.
emulsifiers may be used in margarine to prevent oil forming a layer on top. - Correct
Answers -Emilsifiers
Which food additive maintains the uniform dispersion of substances in solid and semi-
solid foods - Correct Answers -Firming agents/stabilisers
What is the function of food enhancers as a food additive? - Correct Answers -enhance
the existing taste and/or odour of a food
What food additive mainins the uniform disperation of gases in aerated foods? - Correct
Answers -Foaming agents
What food additive modify the texture of the food through gel formation? - Correct
Answers -Gelling agents
What food additive impart a coating to the external surface of the food e.g. a wax
coating in fruit to improve its appearance - Correct Answers -Glazing agents
What food additive reduces moisture loss in foods. E.g. glycerine may be added to icing
to prevent it from drying out? - Correct Answers -Humectants
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