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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://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://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 working substance for the .ix d;a0(kc 9i;d7ibevd spx *Carnot cycle shown in the figure. Procesiip 7(dx. ik;d ;x0cb*dasev9ses 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 engine operating betw7 gp(v oaq7f4keen $600^{\circ}C$ 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 26+l5 xwtoun0. uh phain 200 J of thermal energy and performs 50 J of work in each cycle. What is its ef th2 wn0upl+a6.u xh5oficiency?

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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 operates5vk* s0m w xt;ll:ha.b between a 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 refrigeratoh,f8oda5vcnfj( - z3qr must operate when the outside 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 th9l zuf4+ 7dtofaeg0 5le working substance for an engine that undergof t0d4gol+ea 59ul f7zes 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 $1.5V_0$ . 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 refrigerator mp1 fw30p t29;stil czthat undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or isobaric with pret ;l3fctm i0p92wszp1 ssures 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 ji5p-s;cb: sk gas undergoes the reversible cyclic process (ABCA) shown in the PV diagram. Process A →B is adis- :cpjbiks5;abatic. What is the efficiency of this engine?



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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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