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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 ide-(4r( keafgp5yfqp7mq,ofj - al gas is used 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, the- , p r(q7ey4oqff5pgmk fj-a(re 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 opx) /6q.goi jr lttnrkg,2cz 4os39ex.erating 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 energy and performs 50 J of +im4as1qgkfr9)o.eoq ;p3d c work in each cycle. What is its efp+ookqcs m314fg9;)qe . ria dficiency?

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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 operahp ,try*2 k.-u/pmowutes between 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 must operate when the outside environment isn q88kah ;8yf70hrmes 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 engine tyuid. w :nm:h,/ko qf8hat undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or iso fkm/qy iduh.n,8ow::baric 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 refrigeratgi29*p: -az(e gx tam;e1hk mpor that undergoes the cyclic process (ABCDA) shown in the PV diagram. The processes are all isochoric or isobarit 1m;g9*eika pe (z-2ah m:pxgc 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 u c wa,rd+ l/p+ycwd8+nndergoes the reversible cyclic process (ABCA) shown in the PV diagram. Process A →B is adiabatic. What is cp+d+ r/nl 8ad cy,w+wthe efficiency of this engine?



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  • 姓名:游客(未登录)
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