SPLOPS module 5

Question 0

definition of sublimation

Answer 0

the ability of a solid to change state directly to a gas.

Question 1

defintion of temperature

Answer 1

measure of heat energy.

Question 2

definition of vapor pressure

Answer 2

ability of material to evaporate.

Question 3

what are the common units of measurement for pressure?

Answer 3

760 mmhg
760 torr
1 atm
14.7psi

Question 4

what is vapor density?

Answer 4

the ability of the vapor to rise or sink when compared to air

Question 5

How is vapor density measured (2 ways)?

Answer 5

in relation to air being 1 and MW of air being 29.

Question 6

Definition of flash point?

Answer 6

minimum temp of a LIQUID can ignite a flash in the vapor space of the liquid.

Question 7

NFPA definition of Flammable liquid?

NFPA definition of combustable liquid?

Answer 7

liquids have flash points less than 100 degrees F

liquids have flash points between 100 and 200 degrees F

Question 8

DOT definition of flammable liquid?

Answer 8

liquid have a flash point less than 140 degrees F.

Question 9

the lower the flash point the ________ flammability of the liquid.

Answer 9

“Higher”

Question 10

What does OC and CC mean with relation to flammable liquids?

Answer 10

open cup and closed cup testing.

Question 11

What is the flash point of gasoline?

Answer 11

-45 degrees F

Question 12

1% equals how many PPM?

Answer 12

10,000.

Question 13

Definition of LEL and UEL?

Answer 13

concentration of vapor from a liquid

or flammable gas in air.

Question 14

Pyrophoric solids ignite at what temperature?

Answer 14

at or below 130 degrees F

Question 15

Definition of specific gravity?

Answer 15

the weight of a material with reference to water wether it will sink or float. Water being 1.0.

Question 16

Definition of solubility?

Answer 16

ability of a substance to mix completely with another substance.

Question 17

Definition of Solvent?

Answer 17

material in GREATER concentration in a mixture

Question 18

Definition of solute?

Answer 18

material in LESSER concentration in a mixture.

Question 19

what are non-polar substances?

Answer 19

gasolines, oils, petroleum based products.

Question 20

oxidizers and corrosives make what class of chemical?

Answer 20

inorganic perioxides

Question 21

Organic peroxides are composed of what?

Answer 21

an oxidizer and compound that contains a fuel.

Question 22

Which “TYPE” of organic peroxides are the most unstable and forbidden in transport?

Answer 22

Type A and are usually dissolved in a solvent to prevent the chemical reaction.

Question 23

Definition of corrosivity?

Answer 23

solid, liquid, or gas that burns, irritates, or destructively attacks organic tissues.

Either acids or bases.

Question 24

Acidity is based on what factor?

Answer 24

amount of H ions in solution.

Question 25

DOT definition of compressed gas?

Answer 25

pressure of 40psi at 70 degrees F.

Question 26

what percentage of space must remain in the container of a compressed gas?

Answer 26

15%

Question 27

Home propane tank pressures are regulated at?

Answer 27

working pressure of 240psi pressure relief @ 375psi testing pressure @ 480psi.

Question 28

Cyrogenics are defined at what temperature?

Answer 28

Boiling point - 130 degrees F

Question 29

Expansion ratio for LNG- liquid natural gas?

Answer 29

600:1

Question 30

Expansion ratio of LPG- liquified petroleum gas?

Answer 30

250:1

Question 31

Definition of "ignition temperature or Auto ignition temperature"?

Answer 31

Temperature at which a materials vapors start to burn without flame or other ignition source.

Question 32

Definition of viscosity?

Answer 32

ability of a liquid to be poured.

Question 33

Emmited energy as a result of a change in the nucleus or its atoms is called?

Answer 33

Radioactivity.

Question 34

the amount of time it takes for half the atoms in a sample to decay is what?

Answer 34

half- life.

Question 35

Properties of alpha particles

Answer 35

shortest traveling distance at about 4" largest of radioactive particles lowest energy emmited.

Question 36

Radioactive particles cause damage by 2 ways:

Answer 36

disrupting cell division | forming H202 chemicals in the body.

Question 37

Properties of Beta particles

Answer 37

travel distance of approx 30ft. moderate size particle moderate energy emited.

Question 38

Properties of Neutrons

Answer 38

Travels the furthest and requires significant shielding size is larger than beta but 1/4 the size of alpha. found generally with atomic weapons.

Question 39

Difference between gamma and x-rays origination?

Answer 39

Gamma originate in the nucleus and x-rays outside the the nucleus.

Question 40

Definition of contamination?

Answer 40

when a radioactive material becomes attached to something.

Question 41

By doubling the distance in regards to radioactivity what happens?

Answer 41

the energy is decreased by 1/4.

Question 42

Radiation is measured in what units?

Answer 42

RAD- radiation absorbed dose

Question 43

OSHA radiation exposure limits are ?

Answer 43

3 rem/ quarter or 5 rem/ year.