Bar is equal to
A. 0.9869 atm
B. Weight of a 1020 cm water column
C. 75.01 cm high mercury column
D. All of these
Answer: Option D
Solution (By Examveda Team)
The Bar is widely used in many countries as a unit of pressure.The bar is equal to 0.9869 atm. A standard atmosphere is abbreviated atm, also a unit of pressure equal to the average atmospheric pressure at sea level.
The bar is equal to the weight of a 1020 cm water column. Inches of the water column is a measurement unit for measuring static pressure.
The bar is equal to a 75.01 cm high mercury column. A milimetre of mercury is a manometric unit of pressure, it is defined as the extra pressure generated by a column of mercury one millimeter high. It is denoted as mmHg.
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