Air at 100ºF, 70% relative humidity is to be conditioned to 75ºF and 60% relative humidity. Determine the partial pressure of the water vapor in the air at both states, the amount of water removed per lbm of dry air, and the lowest temperature to which the air must be cooled to accomplish this conditioning process.
What will be an ideal response?
From the psychrometric Chart C-1E the following properties are read:
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Which of the following is the largest distance?
A) diameter of a typical galaxy B) diameter of Pluto's orbit C) distance to the nearest star (other than our Sun) D) 1 light-year
A chunk of metal has a mass of 1 kg on Earth. If the same chunk were on the Moon its mass would be
A) less. B) the same. C) more.
What is happening inside a star while it expands into a subgiant?
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