Define the term "preventive maintenance".

What will be an ideal response?


Preventive maintenance (PM) is a system of routine inspections of equipment.

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Five thousand new smart camera systems are needed annually to expand the security surveillance of roads, buildings, airports, parks, etc. in a large met­ropolitan area. The system components can be ob­tained in one of three ways: (1) Make them in one of three plants partially owned by the government; (2) Buy them off the shelf from the one and only manufacturer; or (3) Contract to have them made to specifications by a vendor. The estimated annual cost for each alternative is dependent upon specifics of the plant, the producer, or the vendor. The information below details the alternative, a proba­bility of occurrence, and the estimated annual cost. (a) Construct and solve a decision tree to determine the least-cost alternative to provide the components. (b) Once you have chosen the

alternative on the tree, use a spreadsheet to determine the change in prob­ability that the Buy alternative requires to make it equally attractive with the chosen alternative. Assume that the probability change will be equally distributed to the other probability estimates. Write the new probability values.

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A coil of wire has electrical current flowing through it. Technician A says that you can increase the magnetism of this coil by increasing the number of coils in the wire. Technician B says that you can increase the magnetism of this coil by increasing the current flowing through it. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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Which of the following sheet sizes is 22"x17"?

A. A B. B C. C D. D E. E

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The BC ____________________ is most likely a general manager from the operations or production division, appointed by the chief operations officer, chief finance officer, or chief executive officer.

Fill in the blank(s) with the appropriate word(s).

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