Question

Suppose the door to a refrigerator is propped open while the refrigerator is operating in a...

  1. Suppose the door to a refrigerator is propped open while the refrigerator is operating in a closed room. The average temperature in the room (including the refrigerator) should

    a.

    decrease.
    b.

    remain the same.
    c.

    increase.
    d.

    (blank)
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Answer #1

The average temperature of the room will increase. A refrigerator is a device that transfer heat from a box to the surrounding. The room around refrigerator become warmer as it receive heat from the box.If you leave the door open, heat is merely recycled from the room into the refrigerator, then back into the room. A net room temperature increase would result from the heat of the motor that would be constantly running to move energy around in a circle. So the average temperature of the room will increase.

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