试题与答案

气体在某一过程中吸热12kJ，同时内能增加20kJ，则此过程为( )过程，对外界所

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题型：单项选择题

题目：

气体在某一过程中吸热12kJ，同时内能增加20kJ，则此过程为( )过程，对外界所作的功为( )。

A．压缩，-32kJ
B．压缩，-8kJ
C．膨胀，32kJ
D．膨胀，8kJ

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B

考点：注册公用设备工程师暖通空调专业知识勘察设计注册公用设备工程师暖通空调与动力专业基础
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