Heat Transfer (Cp & K) Test Review

Based on thermal conductivity (k), which material is the best for staying warm in cold weather?

• Terrycloth

  k = 0.12

• Leather

  k = 0.14

• Gasoline

  k = 0.15

• Apple

  k = 0.39

Based on thermal conductivity (k), which material is the best for staying warm in cold weather?

• Cement Mortar

  k = 1.73

• Paper

  k = 0.05

• Cotton

  k = 0.04

• Salt

  k = 0.6

Which thermal conductivity (k) is better when trying to stay warm in the cold?

• High

• Low

Based on specific heat capacity (Cp), which material is the best for staying warm in cold weather?

• Plastic Foam

  Cp = 1300

• Asphalt

  Cp = 920

• Sawdust

  Cp = 900

• Nylon 66

  Cp = 1700

Based on specific heat capacity (Cp), which material is the best for staying warm in cold weather?

• Beef

  Cp = 1670

• Water

  Cp = 4182

• Diamond

  Cp = 600

• Asbestos

  Cp = 816

Which Specific Heat Capacity (Cp) is better when trying to stay warm in the cold?

• High

• Low

Specific Heat Capacity (Cp) is a measure of a material's ability to do what?

Answer explanation

Specific Heat Capacity (Cp) is a measure of a material's ability to change temperature by storing or releasing energy.

Thermal Conductivity (k) is a measure of a material's ability to do what?

Answer explanation

Thermal Conductivity (k) is a measure of a material's ability to quickly absorb or release heat energy.

Which material will keep you warmer for longer?

• Salt

  Cp = 880

  k = 0.6

• Sand

  Cp = 830

  k = 0.2

Which material will keep you warmer for longer?

• Cellulose

  Cp = 1400

  k = 0.23

• Water

  Cp = 4182

  k = 0.5918