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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 substanckf7 6v7g*6 qi6grjaqa7 ,la bce 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, the6,*aa6 7 kfj 7 bvcl7q6agrgiqre 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 33csn jh*gzndse 0v,a4 *wn .f(Carnot) efficiency 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 56n:m ft( cxao4f f g0coj oe-lsa46)qof thermal energy and performs 50 J of work in m fcqfoo cj(0fga e 5:n64-lx4oa6)steach 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 l (e5 -pr*kyt zztp05laow 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 is at s6u o*io3wc:o $22^{\circ}C$ 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 forzh ,xs5vfpvobg3(r- 6 an engine that undergoes the cyclic process (ABCDA) shown in the PVpz vhv6(3bsr5f, xg-o 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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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.44: A monatomic idealk4+kb zegl 8,qjnx: :o gas is the working substance for a refrigerator that undergoes the cyclic process (ABCDA) shown in the PV diagram. The proqbko4:, lz+gk :x8j necesses 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 unw.c)zj d y1ic-dergoes the reversible cyclic process (ABCA) shown ij1dwc-)cy.zi n the PV diagram. Process A →B is adiabatic. What 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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