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# Eleventh Grade (Grade 11) Fluid Mechanics Questions

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Grade 11 Fluid Mechanics

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According to Charles' Law, if the temperature of a gas is increased,
1. the volume will increase.
2. the volume will decrease.
3. the pressure will increase.
4. the pressure will decrease.
Grade 11 Fluid Mechanics
The Reynolds number is defined as the ratio of
1. viscosity to density.
2. density to viscosity.
3. viscous forces to inertial forces.
4. inertial forces to viscous forces.
Grade 11 Fluid Mechanics
Grade 11 Fluid Mechanics
The height of the liquid column that is raised in a capillary is independent of

1. contact angle
2. density of liquid
3. accelaration due to gravity
4. liquid-air surface tension
5. depth to which the capillary is submerged
6. radius of the tube
Grade 11 Fluid Mechanics
A real gas most closely approaches the behavior of an ideal gas under conditions of:
1. low P and T.
2. STP.
3. high P and low T.
4. high P and T.
5. low P and high T.
Grade 11 Fluid Mechanics
When does laminar flow occur?
1. at low Reynolds numbers
2. at intermediate Reynolds numbers
3. at high Reynolds numbers
Grade 11 Fluid Mechanics

This question is a part of a group with common instructions. View group »

What is the average density of the basketball?
1. $0.0056(kg)/(m^3)$
2. $0.0112(kg)/(m^3)$
3. $89.6(kg)/(m^3)$
4. $98(kg)/(m^3)$
Grade 11 Fluid Mechanics
Grade 11 Fluid Mechanics
A combination of Avagadro's law, Boyle's law, and Charles' law is the                               .
1. the ideal or universal gas law
2. Gay-Lussac's law
3. the kinetic-molecular theory
4. the STP formula
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