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How much heat must be removed from 60 Ib of ice at 20 °F to lower its temperature to -20 °F? * 4.1 x 10*6 BTU O 1.2 X 10^3 BTU O 2.01 X 10 ^3 BTU 5 x 10*6 BTU

How much heat must be removed from 60 Ib of ice at 20 °F to lower its temperature to -20 °F? * 4.1 x 10*6 BTU O 1.2 X 10^3 BTU O 2.01 X 10 ^3 BTU 5 x 10*6 BTU

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter11: Calibrating Instruments
Section: Chapter Questions
Problem 7RQ: Accuracy of a thermometer is more important in the ______temperature ranges.
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How much heat must be removed from 60 Ib of ice at 20 °F to lower its temperature to -20 °F? * 4.1 x 10*6 BTU O 1.2 X 10°3 BTU 2.01 X 10 ^3 BTU 5 x 10*6 BTU A cork 2 cm. in radius is used to close one end of the tube whose other end is connected to a vacuum pump. The pump removes virtually all the air from the tube. How much force would be needed to pull the cork out? * 115 N 143 N O 127 N 177 N Find the pressure on a scuba diver when it reads 30 meter below the surface of the sea. (Density of sea water is 1.03 X kg10^3 kg/m3) * 4 Bar 2 Bar 5 Bar З Bar
Transcribed Image Text:How much heat must be removed from 60 Ib of ice at 20 °F to lower its temperature to -20 °F? * 4.1 x 10*6 BTU O 1.2 X 10°3 BTU 2.01 X 10 ^3 BTU 5 x 10*6 BTU A cork 2 cm. in radius is used to close one end of the tube whose other end is connected to a vacuum pump. The pump removes virtually all the air from the tube. How much force would be needed to pull the cork out? * 115 N 143 N O 127 N 177 N Find the pressure on a scuba diver when it reads 30 meter below the surface of the sea. (Density of sea water is 1.03 X kg10^3 kg/m3) * 4 Bar 2 Bar 5 Bar З Bar
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