Question

Name the devices/industries in which heat energy is put to some useful work

Answer 1

Answer:

The devices/industries in which heat

energy is put to some useful work are following:

1. Heat engines, such as the internal combustion engine used in cars, or the steam engine (Heat → Mechanical energy)
2. Ocean thermal power (Heat → Electrical energy)
3. Hydroelectric dams (Gravitational potential energy → Electrical energy)
4. Electric generator (Kinetic energy or Mechanical work → Electrical energy

Answer 2

• heaters
• iron and steel industry
• glass industry
• chemical industry
• ovens
• pan
• pressure cooker