A float switch is used when a pump motor must be started and stopped according to changes in the water (or other liquid) level in a tank or sump.
Answer the following statement true (T) or false (F)
True
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You need to calculate the cross-virial coefficient (B’12) for a mixture. You know that B’1 = - 0.0003 m3/mol, while B’2 = - 0.0006 m3/mol. What is a good estimate of B’12?
A. 0.00045 m3/mol B. -0.00045 m3/mol C. -0.000424 m3/mol D. 0.000424 m3/mol E. It is not possible to answer this without knowing the composition of the mixture.
How many Btus are required to melt 17 lb of ice without changing the temperature?
Fill in the blank(s) with the appropriate word(s).
Short muzzled canines can be prone to _____ issues.
Fill in the blank(s) with the appropriate word(s).
Liquid molecules have ________ level of energy than matter in a solid state
A) an equal B) a lower C) an undetermined D) a higher