GMJ 9189 - Phase 2 scientific

BTU is ?

• British thermal units

• Big thermal underpants

• for measuring velocity

• defines power outage

Acceleration due to gravity is what?

• 9.81m/s

• 8.81m/s

• 10.81m/s

• 9.18m/s

Gravity is?

• 9.18KN/m²

• 10.81KN/m²

• 9.81KN/m²

• 9.81mph/s²

The rate at which an object changes its position, taking into account both speed and direction is known as what?

• Velocity

• Head Pressure

• Joule

• U value

This is exerted by a column of water, whereby every 10m in height equates to 1 bar.

• Velocity

• Head Pressure

• Joule

• U value

This is a measurement of heat energy?

• Velocity

• Head Pressure

• Joule

• U value

Buildings are rated on their thermal efficiency using this term of measurement?

• Velocity

• Head Pressure

• Joule

• U value

The influence on an object that may cause it to move is ?

• Conduction

• Convection

• Radiation

• Force

Can only take place in a liquid or a gas?

• Conduction

• Convection

• Radiation

• Force

This is where heat transfers via infra red light, transferring heat from one body to another, without heating the space in between.

• Conduction

• Convection

• Radiation

• Force