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School Physics Quiz : Pressure


Answer the following questions based on the change of state and latent pressure.

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

pressure measurement
A _______ measures the pressure in terms of the difference in fluid levels between the vertical arms of a glass U-tube.

  Sphygmomanometer

  Hydrometer

  Manometer

  Barometer

  Half-n-half Clue
 

2.

pressure - manometer
If the density of liquid A (carbon tetrachloride) is 1.6 g cm-3 and its height hA = 21.2 cm, then the density of oil B of height hB = 40 cm in the U-tube is about

  0.33 g cm-3

  1.18 g cm-3

  3.01 g cm-3

  0.85 g cm-3

  Half-n-half Clue
 

3.

pressure - manometer
One arm of a glass U-tube is open to the atmosphere, whereas the other vertical arm is connected to a gas supply. The difference in levels of mercury (density = 13.6 g cm-3) between the vertical arms of the U-tube manometer is h = 5 cm. If the atmospheric pressure is 760 mm Hg and the gravitational acceleration is 9.8 m s-2, then the pressure of the gas is about

  6.664 × 104dynes cm-2

  1.102 × 104dynes cm-2

  1.080 × 106dynes cm-2

  1.020 × 107dynes cm-2

  Half-n-half Clue
 

4.

4 Pa = _______ dynes cm-2

  400000

  40

  0.4

  4e-05

  Half-n-half Clue
 

5.

The SI unit of pressure is

  Pascal

  Joule

  Watt

  Newton

  Half-n-half Clue
 

6.

_______ is a type of barometer that consists essentially of a thin metal box exhausted of air.

  Aneroid

  Anemometer

  Manometer

  Hydrometer

  Half-n-half Clue
 

7.

1 Pascal = 1 _______ m-2

  Joule

  Dyne

  Newton

  Erg

  Half-n-half Clue
 


 
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