Solve and reduce all answers to lowest terms: 1/9 + 4/9 + 2/9 =
Fill in the blank(s) with the appropriate word(s).
7/9
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Elongated voids between the weld beads and the joint surfaces to be welded is known as _____.
a. lack of penetration b. root penetration c. interpass slag inclusions d. lack of sidewall fusion
How is EUI duty cycle usually displayed on electronic service tools (ESTs)?
A. crank angle degrees B. pulse width (PW) C. on-off duration D. cubic mm of fuel pumped
When selecting an evaporator for an air-conditioning system, the best way to ensure that the evaporator will work with the condenser is:
A) The same nominal size in tons as the condensing unit. B) An AHRI match for the condensing unit. C) Manufactured by the same manufacturer as the condensing unit. D) Manufactured in the same year.
The three general classes of fittings are screwed, welded, and ____________________.
Fill in the blank(s) with the appropriate word(s).