The enthalpy lines are nearly parallel to the lines for:

A) Wet-bulb temperature. B) Grains of moisture.
C) Volume. D) Dry-bulb temperature.


A

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The force F goes through the origin of the xy-coordinate system and makes an angle ???? with the horizontal, as shown in Figure 12.25. Points A and B are at the coordinates indicated on the figure in units of feet. Calculate the moment of F about points A and B, assigning positive values to counterclockwise moments.

F = 2.4(10)³ lbf
???? = 270°

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A characteristic of water vapor, but not other states of water, is:

A) Water vapor is compressible. B) Water exerts equal pressure on the sides of a container in which it is placed. C) Water molecules move about freely. D) Small changes in the volume of water occur with changes in temperature.

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When should hearing protection be worn when working in a typical truck shop?

A. When running a dynamometer B. When using some pneumatic tools C. When buck riveting D. All of the above

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Firewire connectors can have the following number of pins except ________

A) 9 pins B) 12 pins C) 6 pins D) 4 pins

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