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Forces and pres
4 A manometer is used to indicate the pressure in a steel
vessel, as shown in the diagram.
What value does the liquid manometer give for the pressure
in the vessel?
A It is zero.
B It is between zero and atmospheric pressure.
C It is equal to atmospheric pressure.
D It is greater than atmospheric pressure.
5 The diagrams show two mercury barometers standing side

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Answer:

A.  It is zero.

Explanation:

D Later in the day, more power is developed in lifting each box. 12 A manometer is used to indicate the pressure in a steel vessel, as shown in the diagram. What value does the liquid manometer give for the pressure in the vessel? It is zero

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