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Old Officer study material > SPLOPS module 5 > Flashcards

SPLOPS module 5 Flashcards

0
Q

definition of sublimation

A

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

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1
Q

defintion of temperature

A

measure of heat energy.

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2
Q

definition of vapor pressure

A

ability of material to evaporate.

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3
Q

what are the common units of measurement for pressure?

A

760 mmhg
760 torr
1 atm
14.7psi

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4
Q

what is vapor density?

A

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

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5
Q

How is vapor density measured (2 ways)?

A

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

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6
Q

Definition of flash point?

A

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

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7
Q

NFPA definition of Flammable liquid?

NFPA definition of combustable liquid?

A

liquids have flash points less than 100 degrees F

liquids have flash points between 100 and 200 degrees F

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8
Q

DOT definition of flammable liquid?

A

liquid have a flash point less than 140 degrees F.

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9
Q

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

A

“Higher”

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10
Q

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

A

open cup and closed cup testing.

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11
Q

What is the flash point of gasoline?

A

-45 degrees F

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12
Q

1% equals how many PPM?

A

10,000.

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13
Q

Definition of LEL and UEL?

A

concentration of vapor from a liquid

or flammable gas in air.

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14
Q

Pyrophoric solids ignite at what temperature?

A

at or below 130 degrees F

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15
Q

Definition of specific gravity?

A

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

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16
Q

Definition of solubility?

A

ability of a substance to mix completely with another substance.

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17
Q

Definition of Solvent?

A

material in GREATER concentration in a mixture

18
Q

Definition of solute?

A

material in LESSER concentration in a mixture.

19
Q

what are non-polar substances?

A

gasolines, oils, petroleum based products.

20
Q

oxidizers and corrosives make what class of chemical?

A

inorganic perioxides

21
Q

Organic peroxides are composed of what?

A

an oxidizer and compound that contains a fuel.

22
Q

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

A

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

23
Q

Definition of corrosivity?

A

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

Either acids or bases.

24
Q

Acidity is based on what factor?

A

amount of H ions in solution.

25
Q

DOT definition of compressed gas?

A

pressure of 40psi at 70 degrees F.

26
Q

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

A

15%

27
Q

Home propane tank pressures are regulated at?

A

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

28
Q

Cyrogenics are defined at what temperature?

A

Boiling point - 130 degrees F

29
Q

Expansion ratio for LNG- liquid natural gas?

A

600:1

30
Q

Expansion ratio of LPG- liquified petroleum gas?

A

250:1

31
Q

Definition of “ignition temperature or Auto ignition temperature”?

A

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

32
Q

Definition of viscosity?

A

ability of a liquid to be poured.

33
Q

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

A

Radioactivity.

34
Q

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

A

half- life.

35
Q

Properties of alpha particles

A

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

36
Q

Radioactive particles cause damage by 2 ways:

A

disrupting cell division

forming H202 chemicals in the body.

37
Q

Properties of Beta particles

A

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

38
Q

Properties of Neutrons

A

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

39
Q

Difference between gamma and x-rays origination?

A

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

40
Q

Definition of contamination?

A

when a radioactive material becomes attached to something.

41
Q

By doubling the distance in regards to radioactivity what happens?

A

the energy is decreased by 1/4.

42
Q

Radiation is measured in what units?

A

RAD- radiation absorbed dose

43
Q

OSHA radiation exposure limits are ?

A

3 rem/ quarter or 5 rem/ year.

Old Officer study material (30 decks)

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