Convert between the following units of pressure. Remember that any pressure unit not explicitly specified as either absolute (A) or differential (D) is to be considered gauge.
Also, remember those units which always represent absolute pressure, and have no need for a letter “A” suffix!
• 25 PSIA = ??? atm
• 340 ”W.C. = ??? PSIA
• 0.73 bar (gauge) = ??? ”Hg
• 5.5 atm = ??? torr
• 2,300 cm Hg = ??? ”W.C.A
• 500 m torr = ??? PSIA
• 91.2 cm W.C. = ??? kPa
• 110 kPa = ??? ”W.C.
• 620 mm HgA = ??? torr
• 77 Pa = ??? PSIA
• 1 atm = ??? ”W.C.A
• 270 PSIA = ??? atm
Show Answer
25 PSIA = 1.701 atm
340 ”W.C. = 26.983 PSIA
0.73 bar (gauge) = 21.557 ”Hg
5.5 atm = 4,180 torr
2,300 cm Hg = 12,717.72 ”W.C.A
500 m torr = 0.0096683 PSIA
91.2 cm W.C. = 8.9434 kPa
110 kPa = 441.62 ”W.C.
620 mm HgA = 620 torr (A “trick” question . . .)
77 Pa = 14.711168 PSIA
1 atm = 406.91 ”W.C.A
270 PSIA = 18.367 atm
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