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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 uom2s3iyd -4s+1q gc nue4 i8zused as the 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. How much heat isym o 843zsq ucsni gu-1ei4d2+ 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 e8k- jc3*3;pd vvwe c 7txbo+c. (gzptingine 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 in7 xv oipvqd)p(b3po -5 200 J of thermal energy and performs 50 J of work in each cycle. What is it)p 5oxv3 v bpdoqip7-(s 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 t deovah85c.41h 6dz ouemperature 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 envir dfz-(dcdba*zrhzg)h21 ;k cmu.s 0 d)onment 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 the working substance f l ,,m ;zfizqxy4jzxq)s)w:h 1f4rqh3or an engine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or isobxs ,rqwz;h zl) )14xf,q:34q hfimz jyaric 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-b.d1riz.7cjhm g:py the working substance for a refrigerator that undergoesjphi..dzg b:mc r- y71 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) show54 17 le356nq-m x jokzexwrjcn in the PV diagram. Process A →B is adiabatic. What3l5 64q1em57xj ckewx z-nrjo 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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