本题目来源于试卷: Physics Unit15: Laws of Thermodynamics,类别为 通用国际物理
[单选题]
A coal-fired plant generates 60 +5 u-s ;kccurph own,hh363ji0 MW of electric powewc- bu84 0yyxir. The plant uses $4.8 \times 10^{6} \; kg$ of coal each day. The heat of combustion of coal is $3.3 \times 10^7 \; J/kg$. The steam that drives the turbines is at a temperature of $300 ^{\circ}C$, and the exhaust water is at $37 ^{\circ}C$. How much thermal energy is exhausted each day?
A. $1.1 \times 10^{14} \; J$
B. $2.2 \times 10^{14} \; J$
C. $3.3 \times 10^{14} \; J$
D. $600 \; MJ$
参考答案: A
本题详细解析:
暂无
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