Unit of mass velocity is___________________?
Correct answer: B. kg/m2.hr
- A. kg/m.hr
- B. kg/m2.hr
- C. kg/hr
- D. kg/m2
Explanation
Mass velocity is mass flow rate per unit cross-sectional area, so its dimensions are mass/(area·time). In the given units this is kg/m²·hr, unlike kg/hr, which is simply mass flow rate.
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