F-Gas Category II (IE) Practice Questions - QQI Level 5 Special Purpose Certificate In F-gas Handling In Small RACHPT&T Systems Category II Exam

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On a pressure-enthalpy (p-h) diagram, the throttling process through the expansion valve is represented by which type of line?

A horizontal line of constant pressure A vertical line of constant enthalpy A curved line following the saturation dome A diagonal line of constant entropy

Correct Answer:

A vertical line of constant enthalpy

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