ABE 56 1st Exam

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Questions and Answers

Agricultural and Biosystems Engineers ensure that we have the necessities of life:

safe and plentiful food to eat, pure water to drink, clean fuel and energy sources, and a safe healthy environment in which to live

what is a process?

set of processes that has specific sequence that starts with raw materials and ends with products and by-products

The actions that constitute a process maybe grouped in a relatively small number of operations governed by the same basic principles and serving essentially similar purposes

unit operations

especially that are consumed as food or feed undergo various unit operations

<p>biological materials</p> Signup and view all the answers

5 features of unit operations

<ol> <li>exchange of material, momentum and or heat between the different part of the system (transport phenomena)</li> <li>adequate knowledge of the properties of the materials involved is essential</li> <li>one of the distinguishing features of biological processing is the concern for food safety and hygiene</li> <li>research and development in packaging</li> <li>regardless of the materials treated and the products made, is the need to control</li> </ol> Signup and view all the answers

importance of engineering properties (4)

<ol> <li>design of machines, structures, processes and controls</li> <li>analysis and determination the efficiency of a machine or an operation</li> <li>development of new consumer products of plant or animal origins</li> <li>evaluation and retention of the quality of the final product</li> </ol> Signup and view all the answers