Objective 08: Boiler Efficiency

Question 1

Why is it important to know the thermal efficiency at which a boiler is operating?

Answer 1

1. Ensure economical operation

2. Contributes to high efficiency for the overall plant

Question 2

What are some factors that contribute to thermal efficiency in a Boiler?

Answer 2

1. Boiler design
2. Type of fuel burned
3. Variations in the boiler load factor
4. Maintenance practices

Question 3

Boiler Efficiency

Answer 3

The ratio of the heat transferred to the water and steam over the heat supplied to the boiler by the fuel