【Daily Question】Utilities - Mechanical & Electrical - 20191110
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Mechanical engineering pipeline supply systems can be classified by pressure level into high-pressure pipelines, medium-pressure pipelines, low-pressure pipelines, and vacuum pipelines. Among them, the pressure exerted on the high-pressure pipeline is ( ). A. P>8Mpa B. P>10Mpa C. P>12Mpa D. P>15Mpa Answer: B
Low-pressure pipelines with a nominal pressure not exceeding 2.5 MPa ； Medium-pressure pipeline, nominal pressure 4–6.4 MPa ； High-pressure pipelines, nominal pressure 10–100 MPa ； Ultra-high pressure pipelines have a nominal pressure exceeding 100 MPa.
B. P>10Mpa