【Daily Question】Utilities - Mechanical & Electrical - 20200511
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For valves installed under the following operating conditions, 10% of each batch of valves shall be sampled, and the minimum number to be inspected is ( ). A. Valves for pipelines transporting toxic or flammable fluids. B. Valves for pipelines transporting fluids with a design pressure greater than 1 MPa. C. Valves for pipelines transporting non-flammable, non-toxic fluids with a design pressure of 1 MPa or less and a design temperature of less than –29°C or higher than 186°C. D. Valves for pipelines transporting non-flammable, non-toxic fluids with a design pressure of 1 MPa or less and a design temperature of –29°C or –186°C. Answer: D
A. Valves for pipes transporting toxic fluids and flammable fluids