【Daily Question】12.21 Multiple-choice Question: Characteristics of the liquid level control valve at the bottom of the vacuum distillation tower
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Multiple-choice question: Characteristics of the liquid level control valve at the bottom of the vacuum distillation tower 1. Air-actuated shut-off valve 2. Air-actuated on-off valve 3. The regulator operates in direct action 4. The regulator operates in reverse action. Answers 1 and 4 are correct; +2 points. In-depth discussion: +5 points. @Guan Gongyu
Features of the bottom liquid level control valve in the vacuum distillation tower: 2. Air-actuated valve used
Features of the bottom liquid level control valve in the vacuum distillation tower (1, 4): 1. Use of air-shut valves; 2. Use of air-open valves; 3. The regulator operates in direct action; 4. The regulator operates in reverse action
1. Use an air shut-off valve. 4. The regulator uses a reverse action mechanism
The characteristics of the bottom liquid level control valve in a vacuum distillation tower are (1,4): 1. It uses an air-actuated shut-off valve; 2. It uses an air-actuated open valve; 3. The regulator operates in direct action; 4. The regulator operates in reverse action
Features of the bottom liquid level control valve in the vacuum distillation tower: 4. The regulator uses a reverse action mechanism
Multiple-choice question: Characteristics of the liquid level control valve at the bottom of the vacuum distillation tower 1. Air-actuated shut-off valve 2. Air-actuated on-off valve 3. The regulator operates in direct action 4. The regulator operates in reverse action. Choose 1 and 4