An Refrigerator Keeps Food in the Freezer Portion at -15 $^{\circ}$

question 9

Multiple Choice

An refrigerator keeps food in the freezer portion at -15 $^{\circ}$ C and dumps excess heat into the kitchen,whose temperature is 20 $^{\circ}$ C.If the refrigerator has half the coefficient of performance of an ideal reversible refrigerator,what is the refrigerator's coefficient of performance under these conditions?

• A) 1.1
• B) 4.2
• C) 2.0
• D) 3.7

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Definitions:

Supply Management

The strategic approach to planning, procuring, and managing a company's supplies and vendors to optimize efficiency and minimize costs.

Demand Management

The process of forecasting, planning, and controlling consumer demand to optimize the supply chain's efficiency and effectiveness.

Supply Chains

Networks of organizations, people, activities, information, and resources involved in moving a product or service from supplier to customer.

Systems Integration

The process of linking together different computing systems and software applications physically or functionally, to act as a coordinated whole.