Technician A says that both R-12 and R-134a refrigerants are lighter than air when in a gaseous state. Technician B says that using an electronic leak detector is not always the best way of sourcing a leak because its sensitivity can make identifying the location difficult. Who is correct?
a.Technician A only
b.Technician B only
c.Both A and B
d.Neither A nor B
b.Technician B only
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The exact weave pattern for each weld is often the personal choice of the welder.
Answer the following statement true (T) or false (F)
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What is distance B for the Fitup Table identified as part number 091220-28?
a. 29-1/2 inches b. 28-7/16 inches c. 23-1/2 inches d. 48-1/2 inches e. None of the above
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A(n) ____________________ is the location where the movable part of a valve seals off the flow of
gas.
Fill in the blank(s) with the appropriate word(s).
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Explain the concepts of AOE and COE
What will be an ideal response?
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