____________________ is the time during which gas flows to clear out any air in the nozzle or surrounding the weld zone.

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


Preflow

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Verify that the SI unit of kinetic and potential energy is the joule.

What will be an ideal response?

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The two most common treatments to relieve seed dormancy are ________ and ________.

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

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Weeds that are especially injurious are classified by the government as:

a. toxic c. non-native b. noxious d. exotic

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The brake pedal in an air brake system:

a. Controls the speed of the air compressor. b. Controls the air pressure applied to the brakes. c. Is connected to slack adjusters by a series of rods and linkages.

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