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Thermodynamics > 1a - Basics, Units, Density, and Pressure > Flashcards

1a - Basics, Units, Density, and Pressure Flashcards

(12 cards)

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1
Q

Length

A

ft

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2
Q

Mass

A

lbm (pounds-mass)

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3
Q

Force

A

lbf (pounds-force)

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4
Q

Temperature

A

°R (Rankine), °F (Fahrenheit)

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5
Q

Pressure

A
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6
Q

Density

A

lbm/ft3 (pounds-mass/ft3)

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7
Q

Pabs

A

Absolute Pressure

psia (lbf/in2 abs)

Absolute Pressure always starts at 0 psia

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8
Q

Pgage

A

Gage Pressure

psig

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9
Q

Pvac

A

Vacuum Pressure

psiv

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10
Q

Pdif

A

Differential Pressure

psid

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11
Q

Positive Gage Pressure

A

Pabs = Patm + Pgage

Patm ​= 14.7 psia

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12
Q

Vacuum Pressure Gage

A

Pabs = Patm - Pvac

Patm ​= 14.7 psia

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Thermodynamics (1 decks)

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