Pt 2

Question 1

Name the three states of matter

Answer 1

Gases
Liquids
Solids

Question 2

The state, or phase, of matter of a particular Substance is strongly influenced by what two conditions

Answer 2

Temperature

Pressure to

Question 3

A gas has no____ volume or _____

Answer 3

Definite volume or shape

Question 4

A liquid has a______ but no ______

Answer 4

Definite volume but no definite shape

Question 5

A solid has a ______ and a ____

Answer 5

Definite shape and volume

Question 6

Atoms are made of of three types of particles, name them

Answer 6

Electrons
Protons
Neutrons

Question 7

What is a molecule?

Answer 7

is the smallest particular of matter that retains all the properties of a particular substance

Question 8

What molecules of a solid are packed together because they have a strong ______ forces

Answer 8

Cohesive

Question 9

Define temperate

Answer 9

It is the measurement of kinetic energy of an object

Question 10

The measurement of mass is typically expressed in units of____

Answer 10

Weight

Question 11

Volume refers to ____

Answer 11

The amount of space that matter occupies

Question 12

Define density

Answer 12

Is defined by mass per unit volume

Question 13

What is elasticity

Answer 13

Is the tendency of solids to return to their original shape after being deformed from stress

Question 14

List the five basic types of stress

Answer 14

Tension 
Compression 
Bending
Twisting
Sheering

Question 15

What is elastic limit

Answer 15

Is the point at which the force applied to a solid exceeds the ability of the solid to return to its original shape

Question 16

What allows liquid to flow

Answer 16

The free movement of liquid molecules

Question 17

Define viscosity

Answer 17

The resistance to flow

Question 18

What causes some liquid to cling to the walls of the container because of what forces

Answer 18

Adhesive forces

Question 19

Capillary is a result of what action

Answer 19

Adhesive and cohesive forces

Question 20

Define Boyles law

Answer 20

Stats that at a given temperature, the pressure of the gas varies inversely with its volume

Question 21

Define Charles law

Answer 21

At a given pressure, if there is an increase in the temperature of the gas, there will also be an increase in the volume of gas

Question 22

What is the general gas law

Answer 22

If a certain amount of gas is confined in a given volume and the volume is decreased, both the pressure and the temperature will increase

Question 23

Air compressors usually use a _____

Answer 23

Cooler

Question 24

What is atmospheric pressure

Answer 24

Is a mixture of gases that completely surround the earth

Question 25

14.7 psi = 30 inches of mercury so 1 inch of mercury = ?

Answer 25

.49 psi or 1/2 psi

Question 26

What is a barometer

Answer 26

It is a device used to measure atmospheric pressure

Question 27

What is PSIG

Answer 27

It is pressure per square with out accounting for atmospheric pressure

Question 28

What is PSIA

Answer 28

It is pounds per square inch plus atmospheric pressure

Question 29

What is PSIV

Answer 29

It is pressure below atmospheric pressure

Question 30

What does 1 in. Hg=

Answer 30

.49 psi

Question 31

What is inches of mercury ( in. Hg) used to measure?

Answer 31

When pressure is below atmospheric

Question 32

Is atmospheric pressure the same every where?

Answer 32

No

Question 33

List three scales commonly used to measure pressure in a plant

Answer 33

Absolute scale
Gauge scale
Vacuum scale

Question 34

Convert 73.7 psia to psig

Answer 34

59psig

Question 35

Convert 50 psig to psia

Answer 35

Psig 50 + 14.7 (amp) =

64.7 psia

Question 36

Convert 5 psia to psiv

Answer 36

Psia 5 - 14.7 (amp) = 9.7 psiv

Question 37

Flow occurs when?

Answer 37

Flow occurs when a given amount of fluid moves past a given point

Question 38

Define flow rate

Answer 38

Is the amount of fluid flowing past a given point per unit

Question 39

What is the flow rate equation

Answer 39

Rate = area x velocity