【Daily Question】【Static Equipment – AC Version...Question 134】August 02, 2019 – Multiple-choice questions...Multiple-choice questions

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bg4.png【Daily Question】【AC Version for Static Equipment...Question 134】 August 02, 2019 Multiple-choice question...Multiple-choice question...........................................................................Reward rules: 3 Wealth points for participation, 10 Wealth points for correct answers. No scoring will be given after two days, with holidays being an exception. ...........................................................................1. Which of the following requirements regarding the pressure test of pressure vessels are incorrect? a. Whether a pressure vessel undergoes a hydraulic test or a pneumatic test after it is manufactured is decided at the discretion of the designer ； b. The gas used for pressure testing cannot be chosen arbitrarily ； c. The temperature of the test gas for pressure vessels made of carbon steel and low-alloy steel shall not be lower than 5℃ ； d. The requirements for a successful pressure test are that, during the test, the pressure vessel shows no abnormal noises, there is no leakage after checking for leaks, and no visible deformation is present. ........................................................................... Answer: ac. Comment: Requirements for the pressure test of pressure vessels.