If 22 oz. of refrigerant are to be added to a refrigeration system and the supply cylinder weighs 24 lb. 12 oz. before any is added, what will be the supply cylinder weight after the system has been charged?
A. 23 lb 12 oz.
B. 22 lb 12 oz.
C. 22 lb 6 oz.
D. 23 lb 6 oz.
Answer: D
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One of Stephen Douglas's mistakes in proposing the Kansas-Nebraska Act was
A. not securing the transcontinental railroad for the North. B. overestimating the protest to the bill. C. allowing slavery to spread into new territory. D. underestimating the depth of northern opposition to the spread of slavery. E. believing that slavery could not survive in Kansas.
As a rule, _______________ liquids have a flash point at or above 100°F.
Fill in the blank(s) with the appropriate word(s).
Some petcocks will not flow fuel until a vacuum is applied to them.
Answer the following statement true (T) or false (F)
It is common for the outdoor unit to ice-up when the heat pump is operated in the cooling mode.
Answer the following statement true (T) or false (F)