Quiz 1: check your understanding

1. A cup of tea and a bucket of water are both at 60 °C. Which statement is true?

2. 1 TR is approximately equal to:

3. A boiler rated 86,000 kcal/h has a capacity of about:

4. While water is boiling at a steady 100 °C, the heat being added is called:

5. Hot water rising to the top of a storage tank is an example of:

6. Which law says heat cannot flow from cold to hot without work?

7. A gauge reads 5 bar g at sea level. The absolute pressure is about:

8. In the vapour compression cycle, where does the refrigerant release heat?

9. Water drips from an outdoor coil when the coil surface is:

10. A heat pump delivers 12 kW of heat using 3 kW of electricity. Its COP is:

Course 1 — Heat, Energy and Refrigeration Basics