How to calulate the height on this manometer

[zainulariffin]

dear guys,

can you explain to me how to solve the problem below :-

kindly refer the attached file.


your help is much appreciated.

regards,
zainul

 

[RTW69]

The approach for getting help on this forum is to show your work in trying to solve the problem. I don't see any effort in trying to solve this problem. HINT: Use Bernoulli and continuity equations