Fluids Equations

Question 1

density

Answer 1

Question 2

Specific Gravity

Answer 2

Question 3

Weight (given mass)

Answer 3

Question 4

Weight (given density and volume)

Answer 4

Question 5

Pressure

Answer 5

Question 6

Absolute (hydrostatic) pressure

Answer 6

Question 7

Gauge pressure

equation

Answer 7

Question 8

What is guage pressure?

Answer 8

Question 9

Pascal’s Law

Answer 9

think hydraulic lifts

Question 10

Buoyant Force

Answer 10

Question 11

An object will float when…

Answer 11

buoyant force = weight of object

Question 12

Poiseuille’s Law

Answer 12

Question 13

Critical Speed

Answer 13

Critical speed is the speed at which turbulent flow will begin

Question 14

Continuity Equation (flow rate)

Answer 14

Question 15

Bernoulli’s Equation

Answer 15

Question 16

When there is no significant change in elevevation, bernoulli’s equation tells us that…

pgh value cancel out

Answer 16

the pressure decreases as velocity increases

Question 17

Resistance to flow

Answer 17

opposite of flow rate (Poiseuille’s law); exclude pressure

Question 18

**

viscosity

definition

Answer 18

how easilty a fluid flows

resistance to flow

Question 19

incompressible fluid

Answer 19

a fluid with a constant density (cannot be compressed to a smaller volume)

Question 20

compressible fluid

Answer 20

can be compressed to a smaller volume, thus altering the density

Question 21

list 3 properties of an ideal fluid

Answer 21

Question 22

list 3 properties of a NON ideal fluid

Answer 22