In a given length of pipe, if the flow rate in gallons per minute (gpm) is doubled, the pressure drop _____.
a. stays the same
b. doubles
c. quadruples
d. increases slightly
c. quadruples
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What is the required circuit ampacity of a noncontinuous, single-phase load of 8.5kW at 277V?
a. 17.32A b. 25.25A c. 28.15A d. 30.69A
Genetic diversity in animals makes it possible to develop new breeds
Indicate whether the statement is true or false.
Water makes up about 35 percent of an animal's body.
Answer the following statement true (T) or false (F)
Mark these statements as being True or False for a binary mixture of substances A and B.
_____(a) The density of a mixture is always equal to the sum of the densities of its constituents. _____(b) The ratio of the density of component A to the density of component B is equal to the mass fraction of component A. _____(c) If the mass fraction of component A is greater than 0.5, then at least half of the moles of the mixture are component A. _____(d) If the molar masses of A and B are equal to each other, then the mass fraction of A will be equal to the mole fraction of A. _____(e) If the mass fractions of A and B are both 0.5, then the molar mass of the mixture is simply the arithmetic average of the molar masses of A and B.