A Heat Pump with a Performance Coefficient (COP)of 4 $29 \mathrm {~kW} .$

question 90

Multiple Choice

A heat pump with a performance coefficient (COP) of 4.9 absorbs heat from the atmosphere at a rate of $29 \mathrm {~kW} .$ At what rate is work being done to run this heat pump?

• A)6 kW
• B)142 kW
• C)113 kW
• D)35 kW

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Definitions:

Atomic Number

The number of protons in the nucleus of an atom, which determines the chemical properties of an element.

Number of Protons

A fundamental characteristic of an element that defines its identity in the periodic table, equal to the atomic number.

Electron Charge

A fundamental property of the electron indicating the amount of negative electrical charge it carries.

Atom Nucleus

The central core of an atom, containing protons and neutrons, around which electrons orbit.