The symbol for a back or backing weld is ____.

A.


B.


C.


D.



Answer: B

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Two wires enter a box, are each connected to a terminal, and then exit again. The total conductor count is _____.

a. 1 b. 2 c. 3 d. 4

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Which of the following statements is false?

A. The “summability” relationship calculates a mixture property by summing the products of the mole fraction of a component in the mixture with its partial molar property. B. The ideal solution molar enthalpy is equal to the weighted average pure component molar enthalpies. C. For an ideal solution, the molar volume of mixing is equal to zero. D. For an ideal gas, the molar enthalpy is not a function of pressure. E. For an ideal solution, the molar entropy of mixing is equal to zero.

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As a general rule, the swap partition should be the same size as the amount of RAM in your computer.

Answer the following statement true (T) or false (F)

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Air-source packaged heat pumps are commonly available in:

A) Top discharge, bottom discharge, and floor mount configurations. B) Gas-fired, oil-fired, and electric units. C) Side discharge, bottom discharge, or wall mount configurations.

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