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Reconsider Prob. 5-74. Using EES (or other) software, investigate the effect of the mass flow rate of the cold stream of R-134a on the temperature and the quality of the exit stream. Let the ratio of the mass flow rate of the cold stream to that of the hot stream vary from 1 to 4. Plot the mixture temperature and quality against the cold-tohot mass flow rate ratio, and discuss the results.
Prob. 5-74:
A stream of refrigerant-134a at 1 MPa and 20°C is mixed with another stream at 1 MPa and 80°C. If the mass flow rate of the cold stream is twice that of the hot one, determine the temperature and the quality of the exit stream.
Describe a scenario where the risk of having an unsigned public key is not acceptable but the risk of having a signed public key is acceptable. Describe a scenario where risk of using a signed public key is not acceptable
If you have access to the natural log function ln(x), specify how you could use it to implement a log(b, x) function where b is the base of the log. What should the function do for negative b values? Assume an IEEE floating point implementation.
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What are three possible cause-and-effect relationships for this non-experimental observation?
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Please could you explain why 2**2**0=2
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Draw a level 0 data flow diagram (DFD) for the accompanying dentist office system. When new patients are seen for the first time, they complete a patient information form that asks for their name, address, phone number, and brief medical history,
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