What are the benefits and limitations of material databases?
What will be an ideal response?
Benefits of Databases: allow for multiple criteria to be evaluated, creates a central location for information review, lists all the information for the different types of plastics, etc.
Limitations of Databases: not all the plastics listed are available anymore, not all of the desired search criteria may be available for searching the database, etc.
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In the ____ section of the business continuity policy, the training requirements for the various employee groups are defined and highlighted.
A. scope B. training requirements C. roles and responsibilities D. special considerations
Compared to chain drives, what are the advantages of belt drives?
What will be an ideal response?
Many central system chillers use water cooled condensers because
A) water cooled chillers take up less space inside the building than air cooled chillers B) air cooled condensers contribute more to global warming C) water cooled condensers require less maintenance than air cooled condensers D) the compressor can be located most anywhere inside the building
Why do some technicians recommend using a separate refrigerant tank when purging hoses?
A) To continue refrigerant flow B) To preserve coolant C) To preserve system charge D) To maintain pressure levels