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1 Exakte Antworten 74 Text Antworten 51 Multiple Choice Antworten
Fenster schliessen

Definition of Pressure

Pressure is the Force perpendicular to a surface per area

Pressure at sea level \(p_s =101325 N/m^2\)

Fenster schliessen

Definition of density

Density is mass contained in a volume divided by that volume

Density at Sea level \(\rho_s=1.225 kg/m^3\)

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0 Grad Celsius in Kelvin

273.15
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speed is a ....

scalar

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velocity is a .....

vector

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A flow is incompressible if

\(V< ...m/s\)

100 m/s

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What is an isentropic flow

An isentropic flow is adiabatic (no heat exchange) and reversible (no friction or other dissipative effects, production of entropy)

Fenster schliessen

what is adiabatic

a prozess in which no heat is added or taken away