How are Category IV furnaces generally vented?

A) Flexible foil B) Rigid metal C) PVC venting D) Stainless steel


C

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What what you be looking for when attempting to identify a Caterpillar E-Trim code?

A. single digit alpha B. two digit numeric C. four digit alpha D. four digit numeric

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When a plant shows, through observation, that something is wrong, what we are witnessing is the plant's response to some type of irritant

Indicate whether the statement is true or false

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The data bus used on almost all equipment today is _____________.

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

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A high temperature rise across a furnace heat exchanger may cause _____

a. condensation in the vent b. higher flue gas temperatures c. carbon monoxide formation d. lower flue gas temperatures

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