Fluid Mechanics 1

Which of the following statements is not correct?

• A fluid has its own volume that can expand to fill a body
• A fluid can be compressed
• Applying shear stress to a fluid results in a small deflection
• A pplying shear stress to a fluid results in continuous motion.

Which of the following is not an assumption in considering Bernoulli's Equation?

• Steady Flow
• Incompressible Flow
• Viscid Flow
• Applied along streamlines

Which meter doesn't measure pressure?

• Piezometer
• U-tube manometer
• Dynamometer
• Barometer

If an object is only partially submerged in a fluid, which of the following is true?

• The volume of the displaced fluid equals the volume of the object
• The density of the fluid equals the density of the object
• The density of the fluid is greater than the density of the object
• The density of the fluid is less than the density of the object.

Which of the following is not an example of units for expressing pressure?

• N/m²
• kg/m²
• atm
• Pa

Tags

CCSS.HSN.VM.A.1

Which isn't a main force that acts upon fluids?

• Surface Tension
• Pressure-Area Force
• Solid body Force
• Magnetic Force

What does the difference between gauge pressure and absolute pressure equal?

• The pressure within the fluid
• The pressure at the surface of the fluid
• The pressure at the bottom of the fluid
• Zero

A buoyant force acts in the opposite direction of gravity. Therefore, which of the following is true of an object completely submerged in water?

• The net force on the object is smaller than the weight of the object
• The net force on the object is larger than the weight of the object
• The net force on the object is equal to the weight of the object
• The object appears to weigh more than it does in air.

For incompressible fluids, density changes little with changes in what?

• Depth
• Temperature
• Pressure
• Gravitational acceleration

What is your fluid mechanics lecturer's name?

• Dr. Ian Dupère
• Dr. Iain Dupère
• Dr. Ian Dupere
• Dr. Iain Dupere