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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 wo/i 6g714a 0d nwhe9fifs, t qe;ob)orurking substance for the Carnot cycti1,9efa6w og h4eu)n qiobd/r 7f;s0le 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. 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) efficienc1x5 wyf,o7 -vxv 1iai:o:vsoc y 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 enje,s :nc ddhnbhhswnf/ d1kv311q*o; 1 2txj(ergy and performs 50 J of work in eacw2*q,hs ;1/dhvob1 en 1h:cs jd f d1n(n3xtkjh 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 temper fo2 lr5a*zt+0i9sq t lgfh68pature 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 mugdg(7)) hasp fa ,5fgsst 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 gas6i)x5nl a fs.w2,t,qv xm/c rl is the working substance for an engine that undergoes the cyclic process (ABCDA) shown in the PV dqwm, .ixl2t ,rn56c /lafsv )xiagram. 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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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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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.44: A monatomic ideal gas is ;.nfm ;ug e,ql y62ogcthe working substance for a refrigerator that undergoes the cyclic process (ABCDA) shown in the PV diagram. Th n,qofgm 6c2g.;l;e yue 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 redthz ag(hn0qf8 btj66* : :xdpversible cyclic process (ABCA) shown in the PV diagram. Process A →B is adiabatic. d6:hdb ta6 ftzn( jp8h0xq*:g What is the efficiency of this engine?



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  • 姓名:游客(未登录)
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