In a tube-in-tube condenser, the refrigerant flows in the outer tube and the water flows in the inner tube. Why?
What will be an ideal response?
This way the refrigerant can give up its heat to the water and the surrounding air.
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Each of the following incompressible substances are heated by increasing its internal energy by 1500 kJ, with the purpose of increasing the temperature from 300 K to 500 K. Determine the mass of each substance which will result in this temperature increase:
(a) aluminum (c = 0.90 kJ/kg-K) (b) gold (c = 0.13 kJ/kg-K) (c) zinc (c = 0.39kJ/kg-K) (d) gasoline (c = 2.08 kJ/kg-K). Given: ?U = 1500 kJ; T1 = 300 K; T2 = 500 K What will be an ideal response?
A ____ assures that water will never flow over the dam
A) bank B) spillway C) ?basin D) watershed
The main advantage of the V configuration such as a GAL22V10 is ________
A) the output pins can be bi-directional B) the outputs can be configured as active high or active low C) the outputs can be configured as combinational or registered D) all of the above
An arcing fault may escalate to a(n)__________________________________________.
What will be an ideal response?