Using the same cost and time estimates, consider the time-effectiveness of each engineer. If SciTech is most concerned about meeting a deadline regardless of the cost, which engineer should the company choose?

Camilla
John
Nora
Oracio

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.