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[Storage and Transportation Version] One Question per Day 20180524

2018-05-24View Original

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Oil tanks that are in use should be scheduled for cleaning under ( ) conditions. A. The light oil tanks and lubricating oil tanks have been in use for three years. B. The heavy diesel tanks and agricultural diesel tanks have been in use for two and a half years. C. The oil tanks are leaking and require repair by welding. D. All of the above. Answer: D
Reply #22018-05-24
C. Firework repairs are required when the oil tank leaks    
Reply #32018-05-24
C. Firework repairs are required when the oil tank leaks

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