MAE 3314 Exam Review Questions AND Correct Answers
A major advantage of the U-tube manometer, is - ✔✔It is more accurate
A manometer is - ✔✔A pressure measuring device
A qualitative description of physical quantities can be given in terms of -
✔✔Dimensionless groups of variables
A straight pipe causes a greater head loss than a bent pipe - ✔✔False
According to the momentum equation, the time rate of change of linear
momentum is equal to - ✔✔Resultant Force
According to the sign convention, mass flowrate out of the control volume is
negative and the mass flowrate in is positive. - ✔✔False
An airfoil is designed so that the fluid velocity over its upper surface is
___________ than that along its lower surface - ✔✔more
Archimedes principle states that the buoyant force has a magnitude equal to
the __________ of the fluid displaced by the body and is directed ___________.
- ✔✔weight, upward
Can a pressure prism be used for irregular shapes - ✔✔Yes
, Dimensional analysis is based on the - ✔✔Reference dimensions
Does the resultant static force acting on a submerged inclined plane surface act
through the centroid of the submerged body - ✔✔No
Does the shape of the body matter in Archimedes principle? - ✔✔No
Fluids for which the shearing stress is not linearly related to the rate of shearing
strain are designated as what - ✔✔non-Newtonian fluid
For a hydrostatic force on a planar surface, what is the equation to find the
magnitude of the resultant fluid force - ✔✔Fr = PA = y_c*h_c*A + PoA
For any pipe, even smooth ones, the head loss is not zero - ✔✔true
Force due to pressure is always - ✔✔perpendicular to and against the surface
How is pressure head defined - ✔✔Pressure difference in terms of height
If a dye streak injected into a flow almost immediately becomes blurred and
spreads across the entire pipe, the flow is said to be ______ - ✔✔turbulent
If a flow is unsteady, its ________ may change with time at a given location -
✔✔velocity, temperature, and density
A major advantage of the U-tube manometer, is - ✔✔It is more accurate
A manometer is - ✔✔A pressure measuring device
A qualitative description of physical quantities can be given in terms of -
✔✔Dimensionless groups of variables
A straight pipe causes a greater head loss than a bent pipe - ✔✔False
According to the momentum equation, the time rate of change of linear
momentum is equal to - ✔✔Resultant Force
According to the sign convention, mass flowrate out of the control volume is
negative and the mass flowrate in is positive. - ✔✔False
An airfoil is designed so that the fluid velocity over its upper surface is
___________ than that along its lower surface - ✔✔more
Archimedes principle states that the buoyant force has a magnitude equal to
the __________ of the fluid displaced by the body and is directed ___________.
- ✔✔weight, upward
Can a pressure prism be used for irregular shapes - ✔✔Yes
, Dimensional analysis is based on the - ✔✔Reference dimensions
Does the resultant static force acting on a submerged inclined plane surface act
through the centroid of the submerged body - ✔✔No
Does the shape of the body matter in Archimedes principle? - ✔✔No
Fluids for which the shearing stress is not linearly related to the rate of shearing
strain are designated as what - ✔✔non-Newtonian fluid
For a hydrostatic force on a planar surface, what is the equation to find the
magnitude of the resultant fluid force - ✔✔Fr = PA = y_c*h_c*A + PoA
For any pipe, even smooth ones, the head loss is not zero - ✔✔true
Force due to pressure is always - ✔✔perpendicular to and against the surface
How is pressure head defined - ✔✔Pressure difference in terms of height
If a dye streak injected into a flow almost immediately becomes blurred and
spreads across the entire pipe, the flow is said to be ______ - ✔✔turbulent
If a flow is unsteady, its ________ may change with time at a given location -
✔✔velocity, temperature, and density
