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I also got .0102. I drew a straight line from state 1 (80 F, 70 rh) to ADP (55 F on the saturation curve) and ended up with a dry bulb temp around 58 (.12 bf)or 59 (.16 bf). Looks like I got around the same answer as vel. I’ll try using a different chart maybe?

I converted the volumetric flow rate of the air and water to mass flow rates and used the equation m_w = m_a (w_1 - w_2) and solved for w_2. Am I on the right path?

side question: Would you be able to determine the velocity of this problem using the Bernoulli equation?

The merm chart was too small for me. I ended up downloading one online and printing it out and putting it in my resource binder.

adventurous TFS person here. I got B. I might need to invest in a ruler (assuming finding the intersect for the humidity ratio exit between dew point and condition at the entrance was the correct way to solve this)

Took me way too long. I've been working so hard on cycles, heat transfer, and cycle equipment i completely forgot how to solve the easy basics (static fluids). Once I figured out it was the simplest of manometers everything fell into place. Time to go back to the basics!

I used the chart and got it in about a minute. I think it helps because my super heated steam tables don't have 750 C so i would have to interpolate or estimate and estimating is easier for me with the chart.

a?