Engine_2014 : General Subjects - 1859/3524
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| A multiple evaporator system is equipped with a evaporator back pressure regulating valve on the warmer of the two boxes. This valve must be bypassed when pumping down the system for repairs because reduction of suction pressure would cause the valve to do what? |
| A) rupture |
| B) open |
| C) close |
| D) chatter |
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