One finish of the tube is connected to the tank and also the other end is opened i.e. press because of the elevation of the manometric liquid is balanced by the pressure in the tank.

You are watching: A manometer is used to measure the pressure of the

Taking lower point of manometric fluid asrecommendation suggest (Horizontal recommendation line with this),

P=Pa+ρmgh

wright here,

P = Absolutepush of tank,ρm= thickness of manometric fluid, h = column height

Calculation:

Given:

Patm= 96 kPa,ρ = 0.85× 1000 = 850 kg/m3, h = 55 cm = 0.55 m

Because of this for absolute pressure,

⇒ P= 96000+ 850 ×10 × 0.55

⇒ P = 100.675 kPa


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