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Q: What is the standard atmospheric pressure at sea level?
  • A. 1.5 bar
  • B. 1.013 bar
  • C. 1.3 bar
  • D. 1013 mmHg
Correct Answer: Option B - Atmospheric pressure–It is the pressure at any point on the surface of the earth due to the weight of the column of air above that point. • The atmospheric pressure at seal level is 1 atm. 1 atm = 1.013 bar
B. Atmospheric pressure–It is the pressure at any point on the surface of the earth due to the weight of the column of air above that point. • The atmospheric pressure at seal level is 1 atm. 1 atm = 1.013 bar

Explanations:

Atmospheric pressure–It is the pressure at any point on the surface of the earth due to the weight of the column of air above that point. • The atmospheric pressure at seal level is 1 atm. 1 atm = 1.013 bar