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Liquid Pressure 9
Test Description: You are going to learn how does Barometer and Hydraulic press work ?
Instructions: Answer all questions to get your test result.
1) Torecelli discover the device that can measure the atmospheric pressure it is called :
A
Densi meter
B
Hygrometer
C
Spring
D
Barometer
2) Surface of the liquid in an open container remains on same level because all of its particles are under:
A
Different pressure
B
None of the above choices
C
Same force
D
Same atmospheric pressure
3) In an open U – tube the surfaces of liquid in its branches :
A
The surface in right limb higher than that in left limb
B
Have different levels
C
Have same horizontal plane
D
The surface in left level higher than that in right limb
4) The Monomeric Gauge helps us to measure:
A
Variation in forces
B
Variation in Density
C
Variation in masses
D
Variation in pressure
5) 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 equal to that of atmospheric
C
None of the choices
D
Pressure of air in the balloon is smaller than that of atmospheric
6) As the swimmer remains on the surface of water the pressure on his body is called::
A
Liquid pressure
B
Body pressure
C
Atmospheric pressure
D
None of the above choices
7) Liquids transmit wholly to all points in all directions any pressure variation they undergo:
A
Pascal’s theorem
B
Hook’s theorem
C
Torricelli’s theorem
D
Newton’s theorem
8) Hydraulic press consideredas simplemachine since it can:
A
Balance a heavy weight if a small force applied on it
B
Balance same weight as the force applied on it
C
None of the choices.
D
Balance a smaller weight than the small force applied on it
9) Hydraulic press acts on principle of:
A
Pascal’s theorem
B
Newton’s law
C
Hook’s law
D
Torricelli’s experiment
10) In a bottle open from two place and closed with two corks if one is pressed the other will be:
A
Remains in its place
B
None of the above answers
C
Escaped outside the bottle
D
Enter inside the bottle
*select an answer for all questions
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