Liquid Pressure 9 Question Preview (ID: 51498)
You Are Going To Learn How Does Barometer And Hydraulic Press Work ?
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Torecelli discover the device that can measure the atmospheric pressure it is called :
a) Barometer
b) Hygrometer
c) Densi meter
d) Spring
Surface of the liquid in an open container remains on same level because all of its particles are under:
a) Same force
b) Same atmospheric pressure
c) Different pressure
d) None of the above choices
In an open U – tube the surfaces of liquid in its branches :
a) Have different levels
b) The surface in right limb higher than that in left limb
c) Have same horizontal plane
d) The surface in left level higher than that in right limb
The Monomeric Gauge helps us to measure:
a) Variation in forces
b) Variation in Density
c) Variation in masses
d) Variation in pressure
If one limb of a filled U – tube is closed with balloon filled with air and the liquid raised up in the opposite limb then :
a) Pressure of Air in the balloon greater than that of atmospheric
b) Pressure of air in the balloon is smaller than that of atmospheric
c) Pressure of air in the balloon is equal to that of atmospheric
d) None of the choices
As the swimmer remains on the surface of water the pressure on his body is called::
a) Body pressure
b) Atmospheric pressure
c) Liquid pressure
d) None of the above choices
Liquids transmit wholly to all points in all directions any pressure variation they undergo:
a) Newton’s theorem
b) Hook’s theorem
c) Pascal’s theorem
d) Torricelli’s theorem
Hydraulic press consideredas simplemachine since it can:
a) Balance same weight as the force applied on it
b) Balance a smaller weight than the small force applied on it
c) Balance a heavy weight if a small force applied on it
d) None of the choices.
Hydraulic press acts on principle of:
a) Pascal’s theorem
b) Newton’s law
c) Hook’s law
d) Torricelli’s experiment
In a bottle open from two place and closed with two corks if one is pressed the other will be:
a) Enter inside the bottle
b) Remains in its place
c) Escaped outside the bottle
d) None of the above answers
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