Question

Convert the following readings of pressure to kPa assuming that barometer reads 760 mm of Hg.

(i) 80 cm of Hg 

(ii) 30 cm Hg vacuum

(iii) 1.35 m H₂O gauge

(iv) 4.2 bar.

Answer 1

(i) 80 cm Hg convert in Kpa

80 cm Hg = 106.65 Kpa

(ii) 30 cm Hg vaccum in Kpa

 = 39.99 K Pa

(iii) 1.35 m H₂O in KPa

 = 13.23 KPa

(iv) 4.2 Bar convert in KPa = 420 KPa