FSC 325 Exam 1 lecture 6 (Raw materials) Questions and Answers 100% Pass

FSC 325 Exam 1 lecture 6 (Raw materials) Questions and Answers 100% Pass List the 4 types of unit operations for raw material preparation. - ANSWER -1.)Cooling 2.)Cleaning 3.)Sorting and Grading 4.)Peeling List the types of cooling methods. - ANSWER -1.) rapid cooling 2.)Air 3.)Hydrocooling What does rapid cooling do? - ANSWER -Slows enzymes and microbial activity --Meat allowed to go through rigor mortis What food is Vacuum cooling usually used for? - ANSWER -cooling leafy vegetables Hydrocooling is _____times faster than air. - ANSWER -15 What 4 types of hydrocooling are there? - ANSWER -1.)Batch 2.)Conveyor 3.)Immersion (fastest method) 4.)Truck 2 | P a g e Created by Grace Amelia © 2025, All Rights Reserved. What are the advantages of hydrocooling? - ANSWER ---No moisture loss occurs --much higher chilling rates over air --less space requirements --better end quality of products What are some disadvantages of hydrocooling? - ANSWER ---Most products do not tolerate it well (it is mainly used for poultry,fish,some fruits and veggies) --If chill water quality is not monitored closely can get substantial pyschotroph problem. What are the 2 types of cleaning methods for raw materials and what are some examples? - ANSWER -1.) Wet cleaning ex.) soaking,spraying, flotation, washing, and ultra sonic cleaning 2.)Dry cleaning ex.) separation by air, magnetism or physical methods 3 | P a g e Created by Grace Amelia © 2025, All Rights Reserved. What are some advantages of wet cleaning - ANSWER ---More effective for soil on root crops and for dust and pesticides from soft fruits and veggies --Dustless --causes less damage - What are some disadvantages of wet cleaning - ANSWER ----may increase chemical or microbial spoilage --increased waste water --increased disposal costs What are some examples of wet cleaning equipment? - ANSWER ---Spray washers --brush washers --drum or rod washers