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习题练习：Efficiency, coefficient of performance and Carnot Cycle
本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 492 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://tiku.one/test492.html
 作者: admin    总分: 8分  得分: _____________

答题人: 匿名未登录  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 1 k0h krzy/wsguona92l:eh6n.w-g6k the Carnot cycle shown in the figure. P 0/6g wkkg29er6a1unkws.:o -hzhylnrocesses 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 yv6 ,vp e+,p.i3m pnhies0m.tengine 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 tll 8:q;s lfnv(wff/0p9gi tg ,akes in 200 J of thermal energy and performs 50 J of work in each:lpwsf(9;gv ll 8 f,gn/qf 0it 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 temperature m cc 0 /o 4:(v3tmgn88vqu-u)riglq akof $273^{\circ}C$ 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 ope.wah)nm6b .b xrate 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 the working substance for an enf1e) xkv:rmkafxc)me/:g0 m- gine that undergoes the cyclic process (ABCDA) shown in the PV diagram. The prkkmvxfrg)e:0 m:c 1-)a f/mexocesses 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 that un(i:cv i;jc hc(h)a bq.dergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or .cb(; :i)cahqcih (j visobaric 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 processp y +ghh/6g a93kv4 vv;d/:kxpgf-ffb (ABCA) shown9/kfb/hggv4hvpfg;: - fa v yp6 kdx3+ in the PV diagram. Process A →B is adiabatic. What is the efficiency of this engine?



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