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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 working substance for the Carnomker22o65crg:3 wo :09i qy aqsnq9in t cycle shown in the figure. Processes A → B and C → D are isothermal, while processes B → C and D → A are adiakqw yo2eqrsc orn:i 6a39:m 9n2iq g50batic. 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 hepszup tu/vsf-6xq;8e i pa70, tsbd89at 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 J2;o6t01w rbgn,ogw zg -/ kgn-i(ctcf c(kaz2 of thermal energy and performs 50 J of work in each cycle. Whatagkgw,g(6ifognzo2/-1 k 2 (cbn t-zccw r;t 0 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 betweenreibm gy7(0* vvp.,,sp4 sofp 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 refrigerator 8) ; ynctr-vps.xz 2samust 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 ide5h1 qjoj2gtb)a05 lb.r */k8krjjk qo al gas is the working substance for an engine that undergoes the cyclic process (ABCDA) shown 5kgt)r5 k hljbjbr.qajo21/oq*8 0 jkin 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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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 the working substance for a refrigerator s1ybo.wp5d*kiy(3zx that undergoes the cyclic process (ABCDA) shown in the PV diagram. The prosbp1(ik * .owyyd zx35cesses 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 undergoes90*2:xm n:kmxgmx6jee.fo 6 72ls-xux zrzsq the reversible cyclic process (ABCA) shown in the PV diagram. Process A →B is adiabatic. What is the efficiency of thixs:l unoxsx6k.emj-09rqxg *zm :2xez 2 m7f6s 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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