A Heat Pump Has a Coefficient of Performance of 4

question 39

Multiple Choice

A heat pump has a coefficient of performance of 4. If the heat pump absorbs 20 cal of heat from the cold outdoors in each cycle, the heat expelled (in cal) to the warm indoors is

• A) 34
• B) 27
• C) 36
• D) 40
• E) 80

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Definitions:

Erikson

Erik Erikson was a developmental psychologist known for his theory on the psychosocial development of human beings.

Early Life Crises

Refers to critical events or periods of challenge and change commonly experienced in the early stages of life.

Early Childhood

A developmental period in children that spans from birth to around 8 years of age, characterized by rapid physical, cognitive, and social growth.

Middle Childhood

The developmental stage that spans from approximately 6 to 12 years of age, covering the elementary school years and characterized by significant cognitive, emotional, and social development.