To prevent undercut in a vertical open-root V-groove weld, the welder should _____
a. increase the arc length
b. use a downward push angle
c. use a 30-degree drag angle
d. pause slightly at each weld toe
d
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A(n) ____________________ is a hole that regulates and controls fluid pressure.
Fill in the blank(s) with the appropriate word(s).
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The primary purpose of conducting a residential fire safety survey is to:
A. pre-plan residential areas B. look for illegal activities. C. reduce loss of life and property D. impress the city council.
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
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Sudden temperature changes that results in the rapid expansion or contraction of metal.
a. thermal shock b. fluid dynamics c. warping d. hydraulics
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