An electrically heated cement floor covers an area of 100 mx 30 m. The surface tem- perature is 25°C and the ambient tempera- ture is 23°C. Approximately how much he is given off, in kilowatts? NOTE: from the point of view of heat radiation, cement is considered to be an insulator.
An electrically heated cement floor covers an area of 100 mx 30 m. The surface tem- perature is 25°C and the ambient tempera- ture is 23°C. Approximately how much he is given off, in kilowatts? NOTE: from the point of view of heat radiation, cement is considered to be an insulator.
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![26
An electrically heated cement floor covers
an area of 100 mx 30 m. The surface tem-
perature is 25°C and the ambient tempera-
ture is 23°C. Approximately how much heat
is given off, in kilowatts? NOTE: from the
point of view of heat radiation, cement is
considered to be an insulator.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa738f338-4b97-4795-af96-9c8545b72d67%2F6269bcdc-8656-4d4d-813d-3cbc7ecfc670%2Fowail7e_processed.png&w=3840&q=75)
Transcribed Image Text:26
An electrically heated cement floor covers
an area of 100 mx 30 m. The surface tem-
perature is 25°C and the ambient tempera-
ture is 23°C. Approximately how much heat
is given off, in kilowatts? NOTE: from the
point of view of heat radiation, cement is
considered to be an insulator.
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