Which of these is used to clean threads of a bolt to be reused?

A) Die B) Thread chaser C) Tap D) None of these


B

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Which of the following hazards can cause cooling of the furnace?

a. Poor control of excess air and draft control b. Bypassing safety interlocks c. Opening furnace inspection ports when the firebox pressure is greater than the atmospheric pressure d. Increasing the air into the furnace

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Concrete mix designs are based on information provided by the _____.

a. architect b. engineer c. OSHA d. landscaper

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What do you use mending paper for?

What will be an ideal response?

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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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