MEC241 Fluid Mechanics Quiz - Quiz

What property of a fluid remains nearly constant during incompressible flow?

• Specific volume

• Specific gravity

• Dynamic viscosity

• Density

Which type of flow is characterized by smooth layers of fluid?

• Transitional flow

• Turbulent flow

• Laminar flow

• Viscous flow

What is the term used for fluid motion that is started by natural means, such as the buoyancy effect?

• Transitional flow

• Forced flow

• Unsteady flow

• Natural flow

In the context of fluid flow, what does the term "steady" imply?

• Velocity varies with time

• No change in properties with time

• High velocities and velocity fluctuations

• Flow bounded by solid surfaces

Which characteristic helps to determine whether flow is laminar or turbulent?

• Dynamic viscosity

• Reynolds Number (Re)

• Specific gravity

• Specific weight

What is the pressure difference between absolute pressure and the local atmospheric pressure called?

• Vacuum pressure

• Absolute pressure

• Gage pressure

• Atmospheric pressure

Which pressure measuring device is known for having liquid columns arranged vertically?

• Inclined tube manometer

• Pressure gauge

• U-tube manometer

• Barometer

In which direction is pressure the same at two different points if they are at the same level and contain the same type of fluid?

• Vertical

• Horizontal

• Diagonal

• Radial

What is the force exerted by a fluid on an object placed in it, either floating or submerged?

• Atmospheric force

• Buoyant force

• Gage force

• Hydrostatic force

What is the term for the pressure that is below atmospheric pressure?

• Gage pressure

• Absolute pressure

• Vacuum pressure

• Atmospheric pressure