FLUID MECHANICS

Question 1

is defined as the mass per unit volume of a material.

Answer 1

Density

Question 2

The standard unit for density is

Answer 2

kg/m3

Question 3

A material is the ratio of the density of a
material to the density of pure water at 4°C

Answer 3

specific gravity

Question 4

is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. In fluids, pressure can be described as the net collision between the particles

Answer 4

Pressure

Question 5

Some machines work by transmitting forces through fluids rather than gears or levers. These machines are called

Answer 5

hydraulic systems or hydraulic machines

Question 6

Most car brakes are examples of hydraulic systems. Most commonly known as

Answer 6

Hydraulic Brakes

Question 7

are drawn to trace the path of the particles in a moving fluid

Answer 7

flow lines

Question 8

If the flow lines are parallel and slide
smoothly past each other, the flow is

Answer 8

laminar

Question 9

If the flow lines are irregular and
chaotic, the flow is

Answer 9

turbulent

Question 10

a machine that allows you to lift heavy objects easier

Answer 10

Hydraulic Jack

Question 11

a conservation of energy equation for
a dynamic fluid

Answer 11

Bernoulli equation