Refrigerants release heat:
A) By condensing from a vapor to a liquid.
B) By evaporating from a liquid to a vapor.
C) By converting refrigerant molecules into heat energy.
D) By rearranging their molecular structure to form a new compound.
A
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Liquid water at 10°C enters an insulated mixing chamber at a rate of 180 kg/s. In the chamber, the water is mixed with a second stream of liquid water, which enters at 90°C. Using your mixing chamber model to calculate the data, plot the exit temperature of the combined stream for mass flow rates of the second stream ranging from 20 kg/s to 500 kg/s.
State 1: Cool Liquid inlet; State 2: Warm Liquid inlet; State 3: Outlet Given: T1 = 10°C; T2 = 90°C; m?1= 180 kg/s Assume: Q?=0 (insulated). Given no other information regarding the mixing chamber, make the following common assumptions: W?=?KE=?PE=0 Also, assume the mixing chamber is a multiple-inlet, single-outlet, steady-state, steady-flow device. What will be an ideal response?
What is an open feedlot?
What will be an ideal response?
The delivered equipment cost for setting up a production and assembly line for two-way floating ball valves is $650,000. If the direct cost and indirect cost factors are 1.82 and 0.31, respectively, and only the direct cost factor applies to delivered equipment cost, the total plant cost estimate is approximately: (choose one)
(a) $2,034,500 (b) $2,401,230 (c) $2,684,500 (d) $2,983,000
When cooled, the volume of a gas in an unsealed container will _________________________ (expand proportionally, contract proportionally, remain the same) and the pressure will ____________________ (expand proportionally, contract proportionally, remain the same).
Fill in the blank(s) with the appropriate word(s).