Pressure gauges used during testing must be indicating pressure gauges with dials that have a graduated scale range of approximately _____ times the intended maximum test pressure.
a. one and one-half
b. two
c. three
d. four
b. two
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Once the project's ____________________ (materials and amounts) is identified, methods for recycling, disposal, and handling can easily be developed.
Fill in the blank(s) with the appropriate word(s).
How did serpentine heat exchangers compare to older heat exchangers?
A) The serpentine heat exchangers required a heat-induced fan, causing negative pressure. B) The serpentine heat exchangers became straighter and longer. C) The serpentine heat exchangers were made from plastic. D) The serpentine heat exchangers utilized a pressure switch.
The new two-party political system that emerged in the 1830s and 1840s
A. significantly reduced sectional political divisions in the country. B. was seen at the time as a weakening of democracy. C. resulted in the Civil War. D. fulfilled the wishes of the founding fathers. E. became an important part of the nation's checks and balances.
A backing weld is made after the weld on the front side of the weld joint has been made.
a. True b. False