1 . Which of the following cannot be the value of absolute pressure of a fluid at any point?
- A. 0
- B. 1.013 bar
- C. -1 bar
- D. 200 bar
- D. None
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পায়রা বন্দর কর্তৃপক্ষ (বিভিন্ন পদ) 06-11-2020
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