A heat pump has a coefficient of performance that is 60 of the Carnot heat pump coefficient of performance. The heat pump is used to heat a home to 24.0C during the winter with the low temperature reservoir at the outdoor temperature.
At which outdoor temperature would it be more efficient to add the energy directly to the interior of the home than use it to run the heat pump? A)
-25.2C
B)
-154C
C)
-40.0C
D)
-83.4C
E)
-4.00C
Question 2
Which of the following cannot occur?
A)
+ + + v
B)
2
C)
+ + p K+ + +
D)
- + p n +
E)
- - + p
A Baxter infusion pump
The common rail on a Cummins diesel engine. A high-pressure pump (up to 30,000 PSI) is used to ...
This CNG pump is capable of supplying compressed natural gas at either 3,000 PSI or 3,600 PSI. The ...
A visual inspection indicated that this pump cover was worn.
A dim headlight indicates excessive resistance in fuel pump circuit.
A typical camshaft-driven high-pressure pump used to increase fuel pressure to 2,000 PSI or higher.