Daily Water Treatment Question (11.30)
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1. Among the various preparatory tasks to be carried out before starting up the following oily waste tank area, the incorrect approach is __________. A. Close the water cut valve, oil inlet valve, and oil delivery valve of the tank. B. Open the steam heating valve of the tank into which oil is to be poured. C. Check whether all the accessories of the tank are in good condition. D. Check whether the fire-fighting equipment is in good condition. 2. The boiling point of the toxic substance is __________. A. The lower the toxicity, the smaller it is. B. The higher the toxicity, the greater it is. C. The lower the toxicity, the greater it is. D. It has nothing to do with toxicity. B; C
1. Among the various preparatory tasks to be carried out before starting up the following oily sludge tank area, the incorrect approach is _____B_____ . A. Close the water cut valve, oil inlet valve, and oil delivery valve of the tank. B. Open the steam heating valve of the tank into which oil is to be poured. C. Check whether all the accessories of the tank are in good condition. D. Check whether the fire-fighting equipment is in good condition. 2. The boiling point of the toxic substance is _____C______. A. The lower the toxicity, the smaller it is. B. The higher the toxicity, the greater it is. C. The lower the toxicity, the greater it is. D. It has no relation to toxicity
1. Among the various preparatory tasks to be carried out before starting up the following oily waste tank area, the incorrect approach is ___B_______. A. Close the water cut-off valve, oil inlet valve, and oil delivery valve of the tank. B. Open the steam heating valve of the tank into which oil is to be poured. C. Check whether all the accessories of the tank are in good condition. D. Check whether the fire-fighting equipment is in good condition. 2. The boiling point of the toxic substance is _______C___. A. The lower the toxicity, the smaller it is. B. The higher the toxicity, the greater it is. C. The lower the toxicity, the greater it is. D. It has no relation to toxicity
B---------D
1.B. Open the steam heating valve for the tank to be filled with oil； 2.D. is unrelated to toxicity
The second question should be unrelated, like potassium cyanide