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习题练习：Efficiency, coefficient of performance and Carnot Cycle
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 492，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autoconfig.5edu.win/test492.html  教师使用本平台可以抽题组卷或一键复制他人试卷，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。
 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 won b 51om:rj65v7f;amuat0fh vrking substance for the Carnot cycle shown iv60; fomt7 : 5v r5aunamfj1hbn 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. 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 (Carnot) efficiency of a heat enginffzlf,u,nm53w . 0q fhg4wug( e 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 takesn -+c 9 9r;hhhcuf. hmc1slk1 jjb2tw3 in 200 J of thermal energy and performs 50 J of work in each cycle. 3r -cmh c +1s l 1khwhnfc;2bu.hj9j9tWhat 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 ; kt ;gcn(3kyd/( zhfwa low temperature 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 outs+lh,dncz ef(n 0 -+vq4bocvt i7+1v xody0a3v ide environment 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 th aku8hphoyo51k7+ s8ue working substance for an engine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochopoah8s5k 1 o7 huyu+8kric 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 workqyd 0ji 6a)5,8*5ifmmdfg upring substance for a refrigerator that undergoes0pmmqd5ifg8 yru fa,6 *jd5i) the cyclic process (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 ideal gas undergoes the reversible cyclic process (ABCA) shotp +q kpr3s6jske(i*z (.h3 wown in the PV diag q (*ei+ jpsktzwp.6rh3( s3koram. Process A →B is adiabatic. What is the efficiency of this engine?



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  • 姓名:游客(未登录)
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