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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 thed .lg x bo /s,j/51dpt3rnrgs, working substance for the Carnot cycle shown in the figure. Processes A → B and C → D are isothermal, while processes B → C and D → A are adiabatic. During process A → B, there are 400 J of work done by the gas on the surroundings. Hos ,l/g x5od. gb/1s,d rrt3npjw much heat is expelled by the gas during process C → D?



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教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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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 (Carnot) efficiency of a heat engine operating betwb(.w 4) c 4ogc5znvgjreen $600^{\circ}C$ 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 the+g63xw;(jfk/vhz4y ofea,;/ qcus m r rmal energy and performs 50 J of work in each cycle.6ug/ h/saxy+c;wke3v jrofq fz4m;,( What 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 teztqf(q pj mjc5 jr/--oi)7m7 1x( 4bhygz3qx tmperature of $273^{\circ}C$ and a high temperature of $546^{\circ}C$. What is the maximum theoretical efficiency of this engine?

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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 environm5kzw qnx*9 af8ent 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 rtdtr*7s93kf ) j(pdb t0d49 ghq2hgnthe working substance for an engine that undergoes the cyclic process (ABCDA) *7 9tnh90s( rftdk4qg dprb t)hdgj23shown 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 $1.5V_0$ . 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 substance for a rs5;nhx 7hhs/zo7e2r r 4bpy 4refrigerator that undergoes the cyclic process (ABCDA) shop52h7 br zyx rssrh;en7/ 4h4own 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 ideal gasjtte:l69dly 3 undergoes the reversible cyclic process (ABCA) shown in the PV diagram. Process A →B is adiabatic. What is the efficiency of this engine d6ljtte: 9yl3?



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  • 姓名:游客(未登录)
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    总分:8分 及格:4.8分 时间:不限时
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