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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 useir 6b(3 ,-6 kydvu9b upnbm.ryd as the working substance for the Carnot cycle shown in the figure. Processes A → B and C → D are isothermal, w, r uvyymup (k6br- 6bidn.b39hile 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 betw5iu70scx1jzv j 8szq8q44 suaeen $600^{\circ}C$ 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 takesdd; glp+ kdyw7r37uj9 in 200 J of thermal energy and performs 50 J of work in eac ug7d+yj3dr lw d7p;k9h cycle. 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 temperaspzy6km2 y fpwb496u:fc dg+dd. /v)ature 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 outsibj4p d+27n nk4 rpmjncu63v ;nde 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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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
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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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.49: A monatomic ideal sbnftxjz jwmi2qgy f:c 5 x5)6g p1e1a13.m,vgas is the working substance for an engine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or isobaric with pressures betwee 5f s.tjmqngx2, 1)fwa6 :czyb1 pe 3xj1im5gvn $P_0$ 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 idbl nsk:ofv;r*,n 1e5 oeal gas is the working substance for a refrigerator that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or isobn:5;n,k v oe*sb1rlf oaric 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 undergoe*jtqwi /7j-x ss the reversible cyclic process (ABCA) shown in the PV7s/w-q ijt*j x diagram. 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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    总分:8分 及格:4.8分 时间:不限时
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