2.1. Steam Energy Consumption

Try these first

1. 1.

   What is the blow rate of a double-acting steam hammer?

   Hint

   Think about the performance specifications mentioned.

2. 2.

   What type of energy is primarily used in double-acting steam hammers?

   Hint

   Consider what powers the upward and downward strokes.

3. 3.

   What percentage of blow energy is primarily derived from steam in double-acting steam hammers?

   • 70%
   • 80%
   • 90%

   Hint

   Think about how significant steam is in this machine.

4. 4.

   The blow rate of a double-acting steam hammer is typically between?

   • 50 to 100 blows per minute
   • 95 to 300 blows per minute
   • 300 to 500 blows per minute

   Hint

   Refer to the specified operational range discussed.

5. 5.

   Design a scenario where using a double-acting steam hammer would be beneficial. Explain the soil conditions and the reasons for using this hammer.

   Hint

   Consider where you might encounter both the right conditions and where the hammer's strengths come to play.

6. 6.

   Evaluate the drawbacks of using a double-acting steam hammer in very soft sandy soil. What are potential risks?

   Hint

   Think about how each stroke affects the surrounding material.