Mock exam M2

Which of these statements describes Gas?

• a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.

• "The particles are widely spread and scattered at random throughout the container, so there is no order in the system.The particles move rapidly in all directions, frequently colliding with each other and the side of the container"

• A solid substance or object stays the same shape whether it is in a container or not.

The maximum number of electrons in the second shell (L) is 8 electrons.

• True

• False

Stress acts on an aircraft both on the ground and in flight.

• True

• False

• Velocity

• Moment

• Solid

• Stress

?=Force x Perpendicular Distance

What is the missing quantity

• Velocity

• Moment

• Mass

• Stress

The natures and properties of fluids and gases are 6, and of solids are 7.

• False

• True

Which property is associated with the "Solid"?

• Flash Point

• Vapour

• malleability

Which law can be expressed as "If the amount of force is doubled, the amount of deformation is doubled"

• Newton's 3rd law

• Energy law

• Newton's 1st law

• Hooke's Law

The primary used construction material for the exterior skins on modern aircraft is Aluminium alloy.

• False

• True

Bending stresses are a combination of tension and compression.

• False

• True