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The Specific Heat of Water Is 4 °\degree C How Long Will It Take for a 2-KW Heating

Question 39

Multiple Choice

The specific heat of water is 4.2 kJ/kg °\degree C. How long will it take for a 2-kW heating element to raise the temperature of 30 kg of water from 20 °\degree C to 80 °\degree C?


A) 6.3 min
B) 15 min
C) 63 min
D) 84 min

Correct Answer:

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