During the manufacturing process, sometimes pockets of primarily ____________________ gas become trapped inside low carbon and mild steels.

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


carbon dioxide

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A ____ system consists of a storage tank and an absorption field.

A. sanitary sewer B. septic C. field D. central

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On a system with a TXV, one of the possible causes of evaporator flooding is _____.

a. a broken TXV power element b. an excessively long liquid line riser c. a plugged refrigerant distributor d. poor contact between the TXV sensing bulb and the suction line

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Through experimentation, people learned to preserve meats, fruits, and fish by ________ them in the sun or over a fire

Fill in the blank(s) with correct word

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Technician A says that most fuel injection systems use the PCM to control the pulsing of the fuel injectors. Technician B says that most fuel injection systems use the PCM to control the operation of the fuel pump relay. Which technician is correct?

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

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