Heat Transfer Fundamentals Quiz 6th

What is heat transfer by conduction?

• Transfer of heat through fluids

• Transfer of heat through electromagnetic waves

• Transfer of heat from one particle of matter to another without the movement of matter

• Transfer of heat by the movement of a fluid

Which material is the best conductor of heat?

• Wood

• Plastic

• Copper

• Wool

What is convection?

• Transfer of heat through electromagnetic waves

• Transfer of heat from one particle of matter to another without the movement of matter

• Transfer of heat by the movement of a fluid

• Transfer of heat through vacuum

In which state of matter does convection occur?

• Solids

• Liquids and gases

• Gases only

• Liquids only

What is radiation in the context of heat transfer?

• Transfer of heat through electromagnetic waves

• Transfer of heat by the movement of a fluid

• Transfer of heat from one particle of matter to another without the movement of matter

• Transfer of heat through direct contact

Which of the following is not a method of heat transfer?

• Conduction

• Convection

• Radiation

• Insulation

Why are metals good conductors of heat?

• They have high density

• They contain free electrons

• They are always cold

• They are shiny

What is required for convection to occur?

• A solid medium

• A vacuum

• A fluid medium

• Direct sunlight

Which of the following is true about radiation?

• It requires a medium to travel through

• It can only occur in solids

• It can travel through a vacuum

• It is the slowest method of heat transfer

How does the color of a surface affect radiation absorption?

• Lighter colors absorb more heat

• Colors do not affect heat absorption

• Darker colors absorb more heat

• Only metallic colors absorb heat