When welding overhead, it is best to use a hard hat with a(n) _____
a. aluminum bill
b. polyester cap
c. rear deflector
d. light color
c
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Compressed gases will resume _______________ when released:
a. 50 % original volume b. 71% original volume c. 98% original volume d. 100 % original volume
Molluscicide is used and applied as bait to kill slugs
Indicate whether the statement is true or false
The northward migration of African Americans accelerated after World War II because
A. the southern system of sharecropping was declared illegal. B. Latinos had replaced blacks in the workforce. C. mechanical cotton pickers came into use. D. northern cities repealed segregation laws. E. All of these choices are correct.
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.