M2 Quiz#9:10 (Mechanic-Fluid dynamics.)

Atmospheric pressure at ISA conditions is?

• 1013 pa.

• 1013 bar.

• 1013 mBar.

The SI unit of pressure is?

• Newton per metre squared (N/m2).

• Cubic metre (m3).

• kilogram per metre cubed (kg/m3).

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.

• Faraday's law.

• Charles law.

Pressure in a pipe is?

• force per unit area.

• mass divided by cross-sectional area.

• weight per unit area.

The specific gravity of a substance is calculated by?

• density of the body squared multiplied by the density of water.

• the density of the body divided by the density of water.

• density of the body multiplied by the density of water.

The SI unit of density is?

• kilogram per cubic metre (kg/m3).

• Pascal (Pa).

• cubic metre (m3).

At what temperature does water have the greatest density?

• 0 °C.

• 100 °C.

• 4 °C.

1kg of water is heated from 0 °C to 2 °C. Its density will?

• decrease

• stay the same.

• increase

Convert 220 gallons to litre

• 833 litres.

• 48.4 litres.

• 500 litres.