In order to condense a flow of steam, liquid cooling water is sent through a pipe, and the steam is passed over the exterior of the pipe. Draw diagrams showing the most appropriate system for a Thermodynamic analysis which
(a) considers only the water flowing through the pipe
(b) considers only the steam condensing on the exterior of the pipe
(c) considers only the pipe
(d) considers the pipe, the internal cooling water, and the external condensing
steam.
(a)
(b)
(c)
(d)
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Measuring the specific gravity of a battery’s electrolyte with a(n) ____________________ is the most accurate way to test the state of charge.
Fill in the blank(s) with the appropriate word(s).
The weight of a piece of lumber is 2 lb. The weight of the same piece after it is fully dried is 1.8 lb. What was the original moisture content in the wood?
A) 9% B) 7% C) 15% D) 11% E) None of the above
In expansive soils, drilled piers are subjected to
A) a downward force in the expansive region of the soil, which generally occurs well below the ground surface. B) an uplift force in the expansive region of the soil, which generally occurs in the upper soil layer. C) an uplift force in the expansive region of the soil, which generally occurs well below the ground surface. D) any one of the above, depending on the local geology. E) none of the above.
A gas furnace designed for use with natural gas can be used with liquified petroleum (LP) with no system modifications.
Answer the following statement true (T) or false (F)