List three characteristics of fluids used in heat exchange pumps.
What will be an ideal response?
last a long time without breaking down.
transfer heat readily.
have a low cost.
be environmentally safe.
be noncorrosive.
be nontoxic.
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In 1650, males in the Chesapeake area competed for the affections of the extremely scarce women, whom they outnumbered nearly
A. six to one. B. ten to one. C. fifteen to one. D. twenty to one. E. There is no statistical data.
At 400 kPa, water has vf = 0.0010836 m3/kg and vg = 0.4625 m3/kg. The mass of the water is 0.5 kg. For each volume listed below, determine whether the water is a compressed liquid, saturated liquid, saturated mixture, saturated vapor, or superheated vapor and the quality of the water:
(a) 0.00045 m3 (b) 0.000542 m3 (c) 0.025 m3 (d) 0.20 m3 (e) 0.40 m3 Given: vf = 0.0010836 m3/kg; vg = 0.4625 m3/kg; m = 0.5 kg What will be an ideal response?
What was the goal of the Powhatans during the Second Anglo-Powhatan War?
A. aid the English in their war with New France B. expand their dominance over the Iroquois C. dislodge the colonists at Jamestown D. force the English to negotiate better trade deals E. exact a land tax from the English settlers
Wall and foundation form braces must be capable of reacting to compressive forces ________ against the brace and tension forces ________ on the brace
A) Lifting, pulling B) Pushing, lifting C) Pulling, pushing D) Pushing, pulling