LHTB Physics Pre-Exam (2.4b. Mechanics - Fluid Dynamics)

Atmospheric pressure at ISA conditions is...

• 1013pa

• 1013 bar

• 1013 mBar

Convert 220 gallons to litres…

• 1000 litres

• 48.8 litres

• 500 litres

The SI unit of pressure is the…

• Cubic metre (m3)

• kilogram per metre cubed (kg/m3)

• Newton per metre squared (N/m2)

A gauge indicates 15 PSIG. What is the absolute pressure?

• Zero PSI

• 0.3 PSI

• 30 PSI

Water is most dense at…

• +4 °C

• 0°C

• -4 °C

Viscosity can be described as…

• Newton's 1st law of motion

• fluids flowing in a straight line

• the internal resistance for a fluid to flow

How much lift is produced on a wing can be derived from...

• Bernoulli's Theorem

• Charles’ Theorem

• Faraday’s Theorem

Pressure in a pipe is…

• force per unit area

• mass divided by cross-sectional area

• weight per unit area