A Closed U-tube manometer has a gas at one end and vacuum at other end – McqOptions

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1.	A Closed U-tube manometer has a gas at one end and vacuum at other end, if the height difference of the liquid (density = 10 kg/m3) in the manometer in 5 cm, what is the pressure of the gas?
A.	10 N/m2
B.	5 N/m2
C.	2.5 N/m2
D.	1 N/m2
Answer» C. 2.5 N/m2

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