Question 68 on Boiler Foundations, October 21: (A certain score will be given to the top 40)
Thread Content
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. ( ) (Correct) Thank you for your support. Correct answer: +6 points to wealth; incorrect answer or 45 posts: +3 points to wealth
Correct. ---It can also prevent deterioration of heat transfer and overheating of the tube walls.
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. (Correct)
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. (√)
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. (Yes)
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. (Correct)
Correct,√~~~~~~~~~~~~~~~~~~~~
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. The function of the internally threaded tubes is to improve the circulation of boiler water within the water wall, thereby preventing film boiling and drying out of the water wall. The working conditions in the water wall under high load conditions are even more severe
The water wall of large fuel-fired boilers uses internally threaded tubes to prevent film boiling. (Correct)