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习题练习：Efficiency, coefficient of performance and Carnot Cycle
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 作者: admin    总分: 8分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月05日 13:25  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.47: A monatomic ideal gas is used as the wori,xo1ls 3b 2jvk3w rh7king substance for the Carnot cycle shown in the figure. Processes A → B and C → D are isothermal, while processes B → C and D → A arl,w 31 hjv23o7 ksbxrie adiabatic. During process A → B, there are 400 J of work done by the gas on the surroundings. How much heat is expelled by the gas during process C → D?



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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.24: The theoretical k 6gfa)wu f1z73e th,v(Carnot) efficiency of a heat engine operating between $600^{\circ}C$ and $100^{\circ}C$ is:

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.07: A heat engine takes in 200 J of thermal energy and performs 5qp8em9f,eid1,x+5 qf hps k:m 0 J of work in each cycle. Whatds+i91 fpf:,e ,kx qm8h mqpe5 is its efficiency?

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.41: An engine operates between a low temperature of sj)8b1(zjh qrzk7eq,x 44 glp;0nsnh$273^{\circ}C$ and a high temperature of $546^{\circ}C$. What is the maximum theoretical efficiency of this engine?

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本习题练习题目来源于题库网 (https://tiku.one)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.44: A refrigerator must operate when the outside environmen wyis(,f4sr*nz+ *1 mlw9eedht is at $22^{\circ}C$ to maintain an environment at $2^{\circ}C$ inside the refrigerator. During one cycle, the refrigerator expels 1200 J of energy to the outside environment while 400 J of work were done. What is the coefficient of performance of this refrigerator?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.49: A monatomic ideal gas is the working substance for an eapk+7m)e x/4awkywh50yj x d/ngine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or isobaric with pressmjk)aa 5 0wxh /ywxky+4de/7pures between $P_0$ and $2P_0$ and volumes between $V_0$ and $1.5V_0$ . What is the efficiency of this engine?



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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.44: A monatomic ideal gas is the working substancnz1 s;+sir8d:xa 8pyhe for a refrigerator that undergoes the cyclic pr+ 8z1ihn8ss :rdxayp ;ocess (ABCDA) shown in the PV diagram. The processes are all isochoric or isobaric with pressures between $P_0$ and $2P_0$ and volumes between $V_0$ and 2$V_0$ . What is the coefficient of performance for this refrigerator?


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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.50: A monatomic io4 ao:/qdjsb-85lbu ldeal gas undergoes the reversible cyclic process (ABCA) shown in the PV diagram. Process A →Bjl 4lb/qud:abo-s 58o is adiabatic. What is the efficiency of this engine?



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  • 姓名:游客(未登录)
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