METHODS OF HEAT TRANSFER

The process wherein thermal energy is exchanged between objects due to their temperature differences.

• Heat transfer

• Heat generation

• Temperature  

• None of the above

The process by which heat occurs through a medium from one point to another.

• Convection

• Conduction

• Radiation

• Heat

The process wherein thermal energy is transmitted from one material to another by the movement of heated particles of a fluid.

• Convection 

• Conduction

• Radiation

• Heat 

Energy released in the form of particle or electromagnetic waves.

• Convection  

• Conduction

• Radiation

• Heat 

Materials that permit electrons to flow freely from particle to particle.

• Insulator

• Rubber

• Conductor

• Metal

Used in electrical equipment to support and separate electrical conductors without allowing current through themselves.

• Insulator

• Rubber

• Conductor 

• Metal

The Which of the following is NOT a radiation method of heat transfer?

• Baking in a metal pan in an oven

• Microwaving a food

• The heat from a fire

• Pan on top of stove

All of the following are examples of conduction EXCEPT _____.

• Ice cooling down your hand

• Touching a stove and being burned

• The heat from the sun warming your face

• Boiling water by thrusting a red-hot piece of iron into it

Which of the following is needed for

convection to happen?

• Fluid/gas

• Liquid

• Solid  

• None of the above

A pot sitting on a hot burner alone.

• Convection 

• Conduction

• Radiation

• Heat