【Daily Question】2016 1.10 Multiple-choice question: During the vacuum pumping test, it is generally done on the new hydrogen generator and the circulating hydrogen compressor.
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【Daily Question】2016 1.10 Multiple-choice question: During the vacuum pumping test, nitrogen is generally introduced at the inlets and outlets of the new hydrogen compressor and the circulating hydrogen compressor, and the replacement of air inside the equipment is carried out by releasing it through the vent lines. The equipment can be integrated into the reaction system when the oxygen concentration inside it is less than ( )%. Answer: C A, 0.05 B, 0.2 C, 0.5 D, 1.0
C, 0.5. -----------------------------------------------------
During the vacuum pumping test, nitrogen is generally introduced at the inlets and outlets of the new hydrogen generator and the circulating hydrogen compressor, and the replacement of air within the equipment is carried out by venting it through the vent lines on the equipment. When the oxygen concentration inside the equipment is below (C)%, it is then integrated into the reaction system
During the vacuum pumping test, nitrogen is generally introduced at the inlets and outlets of the new hydrogen generator and the circulating hydrogen compressor, and the replacement of air inside the equipment is carried out by venting it through the vent lines on the equipment. Once the oxygen concentration inside the equipment falls below (C)%, it is integrated into the reaction system. A、0.05 B、0.2 C、0.5 D、1.0