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1. |
A electric heater of exposed surface area 0.09 m2 and output 600 watts is designed to operate fully submersed in water. When the water is at 37°C and the surface coefficient of heat transfer is 285.3 W/m2-deg C, surface temperature of the heater will be |
A. | 30.5°C |
B. | 60.5°C |
C. | 90.5°C |
D. | 120.5°C |
Answer» C. 90.5°C | |