Compare and contrast the following classes of work as they relate to asbestos: Class I, II, II, and IV
What will be an ideal response?
Class I work is the most hazardous and involves the removal of thermal system asbestos that has been sprayed or troweled on.
Class II work involves the removal of non-thermal system asbestos.
Class III work consists of maintenance and repair tasks in situations where asbestos may be disturbed.
Class IV work consists of janitorial tasks in which asbestos containing waste is cleaned up.
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The contractor must prioritize the submittal process, submitting and obtaining approval for materials needed for the first part of the project.
Answer the following statement true (T) or false (F)
Why should some refrigerant lines be insulated?
What will be an ideal response?
Ideally, the sum of all the air volumes feeding each area of a conditioned space should equal the tonnage of the system multiplied by four hundred.
Answer the following statement true (T) or false (F)
The accompanying figure illustrates the steps for drawing an arc. Describe step 3.
What will be an ideal response?