_________________________ change ferrous (red) iron oxide to ferric (black/blue) iron oxide.

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


Rust converters

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Fireplaces should be building as part of the outside wall in a residential structure.

Answer the following statement true (T) or false (F)

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?Technician A says that EHIs are ECM switched to open and close. Technician B says that EHIs are opened when pressure in the CR rises to the nozzle opening pressure. Who is correct?

A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B

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If finished in a feed lot, bison are fed a finishing ration until they weigh _____ pounds.

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

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What is the maximum working pressure for a low pressure hot water boiler?

A) 160 psi B) 100 psi C) 10 psi D) 15 psi

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